Vol. 81 Wednesday, No. 173 September 7, 2016

Part II

Department of Transportation

Pipeline and Hazardous Materials Safety Administration 49 CFR Parts 107, 171, 172, et al. Hazardous Materials: Harmonization With International Standards (RRR); Proposed Rule

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DEPARTMENT OF TRANSPORTATION Instructions: Include the agency name List of Subjects and docket number PHMSA–2015–0273 I. Executive Summary Pipeline and Hazardous Materials (HM–215N) or RIN 2137–AF18 for this Safety Administration rulemaking at the beginning of your The Pipeline and Hazardous Materials comment. Note that all comments Safety Administration (PHMSA) 49 CFR Parts 107, 171, 172, 173, 175, received will be posted without change proposes to amend the Hazardous 176, 178, and 180 to http://www.regulations.gov including Materials Regulations (HMR; 49 CFR parts 171 to 180) to maintain [Docket No. PHMSA–2015–0273 (HM–215N)] any personal information provided. If sent by mail, comments must be consistency with international RIN 2137–AF18 submitted in duplicate. Persons wishing regulations and standards by to receive confirmation of receipt of incorporating various amendments, Hazardous Materials: Harmonization their comments must include a self- including changes to proper shipping With International Standards (RRR) addressed stamped postcard. names, hazard classes, packing groups, special provisions, packaging AGENCY: Pipeline and Hazardous Privacy Act: Anyone is able to search authorizations, air transport quantity Materials Safety Administration the electronic form of any written communications and comments limitations, and vessel stowage (PHMSA), Department of Transportation requirements. This rulemaking project is (DOT). received into any of our dockets by the name of the individual submitting the part of our ongoing biennial process to ACTION: Notice of proposed rulemaking harmonize the HMR with international (NPRM). document (or signing the document, if submitted on behalf of an association, regulations and standards. In this NPRM, PHMSA proposes to SUMMARY: The Pipeline and Hazardous business, labor union, etc.). You may amend the HMR to maintain Materials Safety Administration review DOT’s complete Privacy Act consistency with various international Statement in the Federal Register (PHMSA) proposes to amend the standards. The following are some of the published on April 11, 2000 (65 FR Hazardous Materials Regulations (HMR) more noteworthy proposals set forth in 19477), or you may visit http:// to maintain consistency with this NPRM: international regulations and standards www.regulations.gov. • Incorporation by Reference: Docket: You may view the public by incorporating various amendments, PHMSA proposes to incorporate by docket through the Internet at http:// including changes to proper shipping reference the newest versions of various www.regulations.gov or in person at the names, hazard classes, packing groups, international hazardous materials Docket Operations office at the above special provisions, packaging standards, including the 2017–2018 authorizations, air transport quantity address (See ADDRESSES). Edition of the International Civil limitations, and vessel stowage FOR FURTHER INFORMATION CONTACT: Aviation Organization Technical requirements. These revisions are Steven Webb, Office of Hazardous Instructions for the Safe Transport of necessary to harmonize the HMR with Materials Standards or Aaron Wiener, Dangerous Goods by Air (ICAO recent changes made to the International International Standards, telephone (202) Technical Instructions); Amendment Maritime Dangerous Goods Code, the 366–8553, Pipeline and Hazardous 38–16 to the International Maritime International Civil Aviation Materials Safety Administration, U.S. Dangerous Goods Code (IMDG Code); Organization’s Technical Instructions Department of Transportation, 1200 the 19th Revised Edition of the United for the Safe Transport of Dangerous New Jersey Avenue SE., 2nd Floor, Nations Recommendations on the Goods by Air, and the United Nations Washington, DC 20590–0001. Transport of Dangerous Goods (UN Recommendations on the Transport of SUPPLEMENTARY INFORMATION: Model Regulations); the 6th Revised Dangerous Goods—Model Regulations. Table of Contents Edition of the United Nations Manual of Additionally, PHMSA proposes several Tests and Criteria; and the 6th Revised amendments to the HMR that result I. Executive Summary Edition of the Globally Harmonized from coordination with Canada under II. Background System of Classification and Labelling III. Incorporation by Reference Discussion the U.S.-Canada Regulatory Cooperation of Chemicals. Additionally, we propose Council. Under 1 CFR Part 51 IV. Harmonization Proposals in This NPRM to update our incorporation by reference DATES: Comments must be received by V. Amendments Not Being Considered for of the Canadian Transportation of November 7, 2016. Adoption in This NPRM Dangerous Goods (TDG) Regulations to ADDRESSES: You may submit comments VI. Section-by-Section Review include SOR/2014–152 and SOR/2014– by any of the following methods: VII. Regulatory Analyses and Notices 159 published July 2, 2014; SOR/2014– Federal Rulemaking Portal: http:// A. Statutory/Legal Authority for This 159 Erratum published July 16, 2014; www.regulations.gov. Follow the on-line Rulemaking SOR/2014–152 Erratum published B. Executive Order 12866, Executive Order instructions for submitting comments. 13563, and DOT Regulatory Policies and August 27, 2014; SOR/2014–306 Fax: 1–202–493–2251. Procedures published December 31, 2014; SOR/ Mail: Docket Management System; C. Executive Order 13132 2014–306 Erratum published January U.S. Department of Transportation, D. Executive Order 13175 28, 2015; and SOR/2015–100 published Docket Operations, M–30, Ground E. Regulatory Flexibility Act, Executive May 20, 2015. Finally, in this NPRM, Floor, Room W12–140, 1200 New Jersey Order 13272, and DOT Policies and PHMSA proposes the adoption of Avenue SE., Washington, DC 20590– Procedures updated International Organization for 0001. F. Paperwork Reduction Act Standardization (ISO) standards. Hand Delivery: To U.S. Department of G. Regulation Identifier Number (RIN) • Hazardous Materials Table (HMT): Transportation, Docket Operations, M– H. Unfunded Mandates Reform Act of 1995 PHMSA proposes amendments to the I. Environment Assessment 30, Ground Floor, Room W12–140, 1200 J. Privacy Act § 172.101 Hazardous Materials Table New Jersey Avenue SE., Washington, K. Executive Order 13609 and International (HMT) consistent with recent changes in DC 20590–0001 between 9 a.m. and 5 Trade Analysis the Dangerous Goods List of the 19th p.m. Monday through Friday, except L. National Technology Transfer and Revised Edition of the UN Model Federal holidays. Advancement Act Regulations, the IMDG Code, and the

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ICAO Technical Instructions. documentation requirement in achieved from their adoption include Specifically, we propose amendments to § 173.185(c) for shipments of small enhanced transportation safety resulting the HMT to add, revise, or remove lithium cells and batteries; and to from the consistency of domestic and certain proper shipping names, hazard require the lithium battery mark be international hazard communication classes, packing groups, special applied to each package containing and continued access to foreign markets provisions, packaging authorizations, small lithium cells or batteries by U.S. manufacturers of hazardous bulk packaging requirements, and contained in equipment when there are materials. PHMSA anticipates that most passenger and cargo aircraft maximum more than four lithium cells or two of the amendments in this NPRM will quantity limits. lithium batteries installed in the result in cost savings and will ease the • Provisions for Polymerizing equipment or where there are more than regulatory compliance burden for Substances: PHMSA proposes to revise two packages in the consignment. shippers engaged in domestic and the HMT consistent with amendments • Engine, Internal Combustion/ international commerce, including adopted into the UN Model Regulations. Machinery, Internal Combustion: trans-border shipments within North Specifically, we propose to include into PHMSA proposes to harmonize the America. the HMT four new Division 4.1 entries HMT proper shipping names utilized for PHMSA solicits comment from the for polymerizing substances and to add the transportation of engines and regulated community on these into the HMR defining criteria, machinery containing engines with amendments and others proposed in authorized packagings, and safety those in the UN Model Regulations. this NPRM pertaining to need, benefits requirements including, but not limited Additionally, PHMSA proposes and costs of international to, stabilization methods and harmonization with the IMDG Code for harmonization, impact on safety, and operational controls. domestic vessel shipments of engines, any other relevant concerns. In addition, • Modification of the Marine internal combustion, and machinery PHMSA solicits comment regarding Pollutant List: PHMSA proposes to containing combustion engines. Under approaches to reducing the costs of this modify the list of marine pollutants in the proposals in this NPRM, the existing rule while maintaining or increasing the appendix B to § 172.101. The HMR ‘‘Engine, internal combustion’’ entries benefits. In its preliminary analysis, maintain this list as the basis for would be assigned their own UN PHMSA concluded that the aggregate regulating substances toxic to the numbers and hazard class based on the benefits of the amendments proposed in aquatic environment and allow use of type of fuel (e.g. a flammable liquid this NPRM justify their aggregate costs. the criteria in the IMDG Code if a listed powered engine is assigned a proper Nonetheless, PHMSA solicits comment material does not meet the criteria for a shipping name with a Class 3 on specific changes (i.e., greater marine pollutant. PHMSA periodically designation). Existing requirements and flexibility with regard to a particular updates this list based on changes to the exceptions for the transportation of amendment) that might improve the IMDG Code and evaluation of listed engines and machinery containing rule. engines transported by road, rail, and materials. II. Background • Packaging Requirements for Water- aircraft would remain unchanged. Reactive Materials Transported by PHMSA is, however, proposing to Federal law and policy strongly favor Vessel: PHMSA proposes various harmonize the transportation the harmonization of domestic and amendments to packaging requirements requirements for transportation by international standards for hazardous for vessel transportation of water- vessel, which includes varying degrees materials transportation. The Federal reactive substances consistent with of hazard communication based on the hazardous materials transportation law requirements in the IMDG Code. The type of fuel, amount of fuel, and (49 U.S.C. 5101 et seq., ‘‘Federal hazmat amendments include changes to the capacity of the fuel tank. law’’) directs PHMSA to participate in packaging requirements to require • U.S.-Canada Regulatory relevant international standard-setting certain commodities to have Cooperation Council (RCC) Proposals: bodies and promotes consistency of the hermetically sealed packaging and to PHMSA proposes several amendments HMR with international transport require other commodities—when to the HMR resulting from coordination standards to the extent practicable. packed in flexible, fiberboard, or with Canada under the U.S.-Canada Although Federal hazmat law permits wooden packagings—to have sift-proof RCC. Specifically, we propose PHMSA to depart from international and water-resistant packaging or provisions for recognition of Transport standards to promote safety or other packaging fitted with a sift-proof and Canada (TC) cylinders, equivalency overriding public interest, it otherwise water-resistant liner. certificates (permit for equivalent level encourages domestic and international • Hazard Communication of safety), and inspection and repair of harmonization (see 49 U.S.C. 5120). Requirements for Lithium Batteries: cargo tanks. These changes would be In a final rule published December 21, PHMSA proposes to revise hazard made in conjunction with Transport 1990 (Docket HM–181; 55 FR 52402), communication requirements for Canada proposing similar regulatory PHMSA’s predecessor—the Research shipments of lithium batteries changes that will provide reciprocal and Special Programs Administration consistent with changes adopted in the recognition of DOT cylinders and DOT (RSPA)—comprehensively revised the 19th Revised Edition of the UN Model special permits. HMR for international harmonization Regulations. Specifically, PHMSA If adopted in a final rule, the with the UN Model Regulations. The proposes to adopt a new lithium battery amendments proposed in this NPRM UN Model Regulations constitute a set label in place of the existing Class 9 will result in minimal burdens on the of recommendations issued by the label; to amend the existing marking regulated community. The benefits United Nations Sub-Committee of requirements for small lithium battery Experts (UNSCOE) on the Transport of shipments in § 173.185(c) to incorporate more than 1 gram of lithium metal, a lithium metal Dangerous Goods (TDG) and the a new standard lithium battery mark for battery containing not more than 2 grams of lithium Globally Harmonized System of 1 metal, a lithium ion cell not more than 20 Watt- Classification and Labelling of use across all modes; to delete the hours (Wh), and a lithium ion battery not more than 100 Wh (49 CFR 173.185(c) and Section II of Chemicals (GHS). The UN Model 1 Small cells and batteries for the purposes of this Packing Instructions 965 and 968 in the ICAO Regulations are amended and updated rulemaking are a lithium metal cell containing not Technical Instructions). biennially by the UNSCOE and serve as

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the basis for national, regional, and standards. These standards incorporated all ISO references are available for international modal regulations, by reference are authorized for use, interested parties to purchase in either including the IMDG Code and the ICAO under specific circumstances, in part print or electronic versions through the Technical Instructions. 171 subpart C of the HMR. This parent organization Web sites. The price Since publication of the 1990 rule, proposed rule is necessary to charged for those not freely available PHMSA has issued 11 additional incorporate revisions to the helps to cover the cost of developing, international harmonization international standards and, if adopted maintaining, hosting, and accessing rulemakings under the following in the HMR, will be effective January 1, these standards. The specific standards dockets: HM–215A [59 FR 67390; Dec. 2017. are discussed at length in the ‘‘Section- by-Section Review’’ for § 171.7. 29, 1994]; HM–215B [62 FR 24690; May Possible Interim Final Rule 6, 1997]; HM–215C [64 FR 10742; Mar. The changes to the international IV. Harmonization Proposals in This 5, 1999]; HM–215D [66 FR 33316; June NPRM 21, 2001]; HM–215E [68 FR 44992; July standards will take effect on January 1, 31, 2003]; HM–215G [69 FR 76044; Dec. 2017. Therefore, it is essential that a In addition to various other revisions 20, 2004]; HM–215I [71 FR 78595; Dec. final rule incorporating these standards to the HMR, PHMSA proposes the 29, 2006]; HM–215J [74 FR 2200; Jan. by reference be published no later than following amendments to harmonize the 14, 2009]; HM–215K [76 FR 3308; Jan. December 31, 2016 with an effective HMR with the most recent revisions to 19, 2011]; HM–215L [78 FR 987; Jan. 7, date of January 1, 2017. Otherwise, U.S. the UN Model Regulations, ICAO 2013]; and HM–215M [80 FR 1075; Jan. companies—including numerous small Technical Instructions, and IMDG Code, 8, 2015]. These rulemakings were based entities competing in foreign markets— as well as several amendments resulting on biennial updates of the UN Model will be at an economic disadvantage from coordination with Canada under because of their need to comply with a the U.S.-Canada RCC: Regulations, the IMDG Code, and the • ICAO Technical Instructions. dual system of regulations (specifically, Incorporation by Reference: Harmonization becomes increasingly the HMR, UN Model Regulations, and PHMSA proposes to incorporate by important as the volume of hazardous ICAO Technical Instructions). To this reference the latest editions of various materials transported in international end, if it appears a final rule under this international transport standards commerce grows. It not only facilitates docket will not be published prior to including the 2017–2018 Edition of the international trade by minimizing the January 1, 2017, PHMSA will publish a ICAO Technical Instructions; costs and other burdens of complying bridging document in the form of an Amendment 38–16 of the IMDG Code; the 6th Revised Edition of the UN with multiple or inconsistent safety interim final rule to amend the HMR by Manual of Tests and Criteria; the 6th requirements for transportation of incorporating the 19th Revised Edition Revised Edition of the United Nations hazardous materials, but it also of the UN Recommendations and the Globally Harmonized System of enhances safety when the international 2017–2018 Edition of the ICAO Classification and Labelling of standards provide an appropriate level Technical Instructions. With regard to Amendment 38–16 of Chemicals; and the 19th Revised Edition of protection. PHMSA actively the IMDG Code, the International of the UN Model Regulations. participates in the development of Maritime Organization (IMO) approved Additionally, we are proposing to international standards for the an implementation date of January 1, update our incorporation by reference of transportation of hazardous materials 2018. The current edition of the IMDG the Canadian TDG Regulations to and promotes the adoption of standards Code (Amendment 37–14) remains in include SOR/2014–152 and SOR/2014– consistent with the HMR. When effect through 2017; therefore, we will 159 published July 2, 2014; SOR/2014– considering the harmonization of the not include the newest version of the 159 Erratum published July 16, 2014; HMR with international standards, IMDG Code in any bridging document. SOR/2014–152 Erratum published PHMSA reviews and evaluates each The proposed incorporation by August 27, 2014; SOR/2014–306 amendment on its own merit, on its reference of the newest edition of the published December 31, 2014; SOR/ overall impact on transportation safety, IMDG Code and all other changes 2014–306 Erratum published January and on the economic implications proposed in this NPRM would be 28, 2015; and SOR/2015–100 published associated with its adoption. Our goal is addressed in a subsequent final rule also May 20, 2015. This incorporation by to harmonize with international under this docket [PHMSA–2015–0273 reference augments the broad standards without diminishing the level (HM–215N)]. Accordingly, any interim reciprocity provided in § 171.12 where of safety currently provided by the HMR final rule will only incorporate by the HMR allow the use of the TDG or imposing undue burdens on the reference editions of the international Regulations under certain conditions regulated community. standards that become effective on when transporting hazardous materials Based on recent review and January 1, 2017. to or from Canada by highway or rail. evaluation, PHMSA proposes to revise Finally, PHMSA proposes the the HMR to incorporate changes from III. Incorporation by Reference incorporation by reference of new and the 19th Revised Edition of the UN Discussion Under 1 CFR Part 51 updated ISO standards. Model Regulations, Amendment 38–16 The UN Recommendations on the • Hazardous Materials Table (HMT): to the IMDG Code, and the 2017–2018 Transport of Dangerous Goods—Model PHMSA proposes amendments to the Edition of the ICAO Technical Regulations, Manual of Tests and HMT to add, revise, or remove certain Instructions, which become effective Criteria, and Globally Harmonized proper shipping names, hazard classes, 2 January 1, 2017. System of Classification and Labelling packing groups, special provisions, In addition, PHMSA proposes to of Chemicals, as well as all of the packaging authorizations, bulk incorporate by reference the newest Transport Canada Clear Language packaging requirements, vessel stowage editions of various international Amendments, are free and easily and segregation requirements, and accessible to the public on the internet, 2 passenger and cargo aircraft maximum Amendment 38–16 to the IMDG Code may be with access provided through the parent quantity limits. voluntarily applied on January 1, 2017; however, • the previous amendment remains effective through organization Web sites. The ICAO Packaging Requirements for Water- December 31, 2017. Technical Instructions, IMDG Code, and Reactive Materials Transported by

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Vessel: PHMSA proposes various transportation by vessel, which includes cylinders manufactured in accordance amendments to packaging requirements varying degrees of hazard with the TDG Regulations that have a for vessel transportation of water- communication based on the type of corresponding DOT specification in reactive substances. The amendments fuel, amount of fuel, and capacity of the the HMR. Mutual recognition of include changes to the packaging fuel tank. cylinder specifications and requirements to require certain • U.S.-Canada Regulatory requalification inspections will mean commodities to have hermetically Cooperation Council (RCC) Proposals: cylinder users that frequently conduct sealed packaging and to require other The Prime Minister of Canada and the business that crosses the border will commodities—when packed in flexible, President of the United States created not need to maintain two sets of fiberboard, or wooden packagings—to the U.S.-Canada Regulatory Cooperation substantially similar cylinders. have sift-proof and water-resistant Council in 2011. Through this effort, the —PHMSA proposes to address the packaging or packaging fitted with a sift- United States and Canada strive to equivalency certificate initiative by proof and water-resistant liner. These strengthen regulatory cooperation and amending the HMR to allow proposed changes are consistent with reciprocity to enhance economic shipments offered in accordance with IMDG Code requirements. competitiveness while maintaining high an equivalency certificate to transit to • Hazard Communication standards of health, safety, and their first destination without having Requirements for Lithium Batteries: environmental protection. DOT, to apply for a duplicative special PHMSA proposes to revise hazard together with Transport Canada, have permit from PHMSA. communication requirements for collaborated to develop a regulatory V. Amendments Not Being Considered lithium batteries consistent with partnership statement and work plan, for Adoption in This NPRM changes adopted in the 19th Revised both of which can be viewed at http:// PHMSA’s goal in this rulemaking is to Edition of the UN Model Regulations. trade.gov/rcc. Stakeholder input (which maintain consistency between the HMR Specifically, PHMSA proposes to adopt can be viewed at www.regulations.gov and the international requirements. We a new lithium battery label in place of under Docket No. PHMSA 2012–0058), are not striving to make the HMR the existing Class 9 label; to amend the as well as internal and mutual identical to the international regulations existing marking requirements for small regulatory review, help determine work but rather to remove or avoid potential lithium battery shipments in plan initiatives and areas where § 173.185(c) to incorporate a new barriers to international transportation. enhanced regulatory cooperation and PHMSA proposes changes to the HMR standard lithium battery mark for use reciprocity might be feasible and across all modes; to remove the based on amendments adopted in the beneficial provided there is no 19th Revised Edition of the UN Model documentation requirement in compromise in safety. Three primary § 173.185(c) for shipments of small Regulations, the 2017–2018 Edition of initiatives identified in the work plan the ICAO Technical Instructions, and lithium cells and batteries; and to are the recognition of inspection and amend the exception for small lithium Amendment 38–16 to the IMDG Code. repair of cargo tanks under the U.S. We are not, however, proposing to adopt cells and batteries requiring the lithium requirements for highway transport, the battery mark from the current all of the amendments made to the mutual recognition of standard pressure various international standards into the applicability of ‘‘no more than four receptacles (cylinders), and mutual lithium cells or two lithium batteries HMR. recognition of DOT special permits and In many cases, amendments to the installed in the equipment’’ to ‘‘no more Transport Canada equivalency than four lithium cells or two lithium international recommendations and certificates. batteries contained in equipment, where regulations are not adopted into the there are not more than two packages in —PHMSA proposes to address the cargo HMR because the framework or the consignment.’’ tank initiative by authorizing facilities structure makes adoption unnecessary. • Engine, Internal Combustion/ in Canada that hold a Certificate of In other cases, we have addressed, or Machinery, Internal Combustion: Authorization for repair from a will address, the amendments in PHMSA proposes to harmonize the provincial pressure vessel jurisdiction separate rulemaking proceedings. If we HMT entries for the transportation of to repair DOT specification cargo have inadvertently omitted an engines and machinery containing tanks that are used to transport amendment in this NPRM, we will engines with those in the UN Model hazardous materials in the United attempt to include the omission in the Regulations. Additionally, PHMSA States. PHMSA further proposes to final rule; however, our ability to make proposes harmonization with the IMDG except those facilities from registering changes in a final rule is limited by Code for domestic vessel shipments of in accordance with part 107 subpart F requirements of the Administrative engines, internal combustion, and of the HMR provided they are Procedure Act (5 U.S.C. 553). In some machinery containing combustion registered in accordance with the instances, we can adopt a provision engines. Under the proposals in this Transport Canada TDG Regulations. inadvertently omitted in the NPRM if it NPRM, the existing ‘‘Engine, internal This proposed authority and is clearly within the scope of changes combustion’’ entries would be assigned exception would provide carriers with proposed in the notice. Otherwise, in their own UN numbers and hazard class additional access to repair facilities in order to provide opportunity for notice based on the type of fuel (e.g., a Canada without jeopardizing the DOT and comment, the change must first be flammable liquid powered engine is specification of a cargo tank and proposed in an NPRM. assigned a proper shipping name with a broaden reciprocity with Canada, The following is a list of notable Class 3 designation). Existing which already recognizes repairs of amendments to the international requirements and exceptions for the TC specification cargo tanks regulations that PHMSA is not transportation of engines and machinery performed by authorized and considering for adoption in this NPRM: containing engines transported by road, registered facilities in the United • Large Salvage Cylinders: The 17th rail, and aircraft would remain States. Revised Edition of the UN Model unchanged. PHMSA is, however, —PHMSA proposes to address the Regulations includes guidelines for proposing to harmonize the cylinder initiative by authorizing the Competent Authorities to use when transportation requirements for filling, requalification, and use of issuing approvals for salvage pressure

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receptacles. These revisions are found our determination the table tennis balls other transport conditions (e.g., in Chapter 1.2, 4.1, 5.4, and 6.2 of the are not in a quantity and form that pose limited quantity, packing and tank UN Model Regulations. Specifically, an unreasonable risk to health, safety or provisions) that would normally these requirements address the property during transportation and, apply to substances possessing such a packaging, hazard communication, and therefore, are not subject to regulation combination of hazards are the same safe transport of salvage pressure under the HMR.’’ as those applicable to the substance receptacles, also known as salvage PHMSA maintains our position as listed; or cylinders in the United States. The 19th stated in the letter of interpretation (Ref. —Under the most appropriate generic or Revised Edition of the UN Model No. 14–0141) that table tennis balls are n.o.s. entry reflecting all hazards. Regulations includes changes to the not subject to the requirements of the The HMR, in §§ 172.402(a)(2) and definition and packaging allowances for HMR and that the ‘‘UN 2000, Celluloid’’ 172.202(a)(3), allow and in most cases salvage cylinders. These changes entry only applies when the material is require hazardous materials exhibiting authorize the use of a large salvage in a pre-manufactured state (i.e. blocks an additional subsidiary hazard to be cylinder with a water capacity not rod, rolls, sheets, tubes, etc). Therefore, labeled with the subsidiary hazard and exceeding 3,000 L to transport a PHMSA is not proposing changes to the to have the additional hazard described cylinder with a water capacity up to current HMR requirements to provide on shipping papers. 1,000 L. Salvage cylinders still require an exception for UN 2000. • As detailed in the definition of approval by appropriate Competent IMO Portable Tank Marking: Competent Authority Approval in Authorities. Amendment 38–16 to the IMDG Code § 107.1, specific regulations in The HMR currently address the includes an amendment to require IMO subchapter A or C of the HMR are portable tanks manufactured before packaging, hazard communication, and considered Competent Authority January 1, 2003, to be marked with an safe transport of salvage cylinders in Approvals. PHMSA generally does not indication of the portable tank § 173.3(d) and do not require approval issue Competent Authority Approvals instruction for which it meets the of the Associate Administrator to do so. for situations already addressed by the minimum test pressure, minimum shell PHMSA considers the current salvage HMR. Therefore, PHMSA is not thickness, pressure relief requirements, cylinder requirements in the HMR to proposing such changes to the current and bottom opening requirements (i.e., provide a sufficient level of safety and HMR requirements. Although PHMSA is adequately address the shipment of the appropriate portable tank not incorporating language specifically damaged and defective cylinders. It is instruction). This change was made to requiring a Competent Authority appropriate that larger salvage cylinders clarify that the existing requirement for Approval in situations where a go through the existing approval marking portable tanks with the consignor has determined a substance process. Therefore, PHMSA is not portable tank instruction either on the has a different subsidiary risk than those proposing changes to the current HMR tank itself or the tank data plate also identified in the HMT, we maintain the requirements for salvage cylinders. applied to older IMO type portable • Large Packagings for Waste tanks manufactured before January 1, power to do so in order to facilitate Aerosols: The 19th Revised Edition of 2003. PHMSA did not adopt the commerce in situations where other the UN Model Regulations includes requirement for portable tanks to be competent authorities or carriers require such a document be provided. changes to the large packaging marked with an indication of the • requirements for waste aerosols. The portable tank instruction to which they Filling Procedures for UN Pressure most notable change was to the packing comply when this requirement was first Receptacles: The 19th Revised Edition group (PG) performance level required introduced. Therefore, PHMSA is not of the UN Model Regulations includes for large packagings transporting waste proposing changes to the current HMR text in P200 requiring the filling of aerosols—from PG III to PG II. The HMR requirements for IMO type portable tank pressure receptacles to be carried out by do not currently authorize the use of markings. PHMSA notes, however, that qualified staff using appropriate large packagings for aerosols. Therefore, portable tanks utilized in international equipment and procedures. These PHMSA is not proposing changes to the transportation will need to be marked procedures are described as including current HMR requirements for large with an indication of an appropriate checks of the following: conformity of packagings for waste aerosols. portable tank instruction. receptacles and accessories with the UN • Table Tennis Balls: The 19th • Classification Inconsistencies: The Model Regulations, compatibility of the Revised Edition of the UN Model 19th Revised Edition of the UN Model cylinder with the product to be Regulations includes a special provision Regulations includes text to address transported, absence of damage that assigned to ‘‘UN 2000, Celluloid’’ that situations in which a consignor who is might affect safety, compliance with the excepts table tennis balls made of aware, on the basis of test data, that a degree or pressure of filling, and celluloid from the requirements of the substance listed by name in column 2 of accuracy of marks and identification. Model Regulations if the total net mass the Dangerous Goods List in Chapter 3.2 Additionally, five ISO standards of each table tennis ball does not exceed of the UN Model Regulations meets concerning inspection and filling of 3 grams and the net mass of table tennis classification criteria for a hazard class various cylinders were incorporated balls does not exceed 500 grams per or division that is not identified in the into P200. Compliance with these filling package. In a previously issued letter of list, may with the approval of the procedures is considered met if the interpretation (Ref. No. 14–0141), competent authority consign the appropriate ISO standard is applied. PHMSA stated that ‘‘it is the opinion of substance: The existing HMR requirements for this office that the entry for UN 2000 —Under the same UN number and name filling procedures for pressure Celluloid only applies when the but with additional hazard receptacles provide a sufficient level of material is in a pre-manufactured state communication information as safety and adequately address filling i.e. blocks, rod, rolls, sheets, tubes etc.’’ appropriate to reflect the additional requirements for pressure vessels. We further stated: ‘‘Based on the subsidiary risk(s) (e.g., Therefore, PHMSA is not proposing information provided in your letter, documentation, label, placard) changes to the current HMR including form and quantity of celluloid provided that the primary hazard requirements for the filling of pressure contained in the table tennis balls, it is class remains unchanged and that any receptacles nor the adoption of any of

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the five ISO standards applicable to amendments (1) prohibit the transport Committee, it was agreed that when the filling conditions and inspections. of lithium ion cells and batteries as cylinder containing the compressed gas • Intentionally Infected Animals: The cargo on passenger aircraft; (2) require is transported separately, it should be 2017–2018 ICAO Technical Instructions all lithium ion cells and batteries to be subject to the same requirements as adopted changes to the classification shipped at not more than a 30 percent conventional cylinders. framework for infected live animals and state of charge on cargo-only aircraft; On July 26, 2016, PHMSA published animal materials. These changes are and (3) limit the use of alternative a NPRM [Docket No. PHMSA–2011– intended to support consistent provisions for small lithium cell or 0140 (HM–234); 81 FR 48977] proposing classification for infected animals and battery shipments under 49 CFR to revise the § 173.309 introductory text animal materials. The issue was brought 173.185(c). PHMSA is considering to include cylinders used as part of a to the attention of the UN Sub- adopting these amendments in a fire suppression system as a cylinder Committee at its 48th session, but they separate rulemaking. Further type authorized for transport in were not able to ascertain the impact of information is available in the docket accordance with the HMT entry for fire the changes made to the ICAO for this rulemaking [PHMSA–2016– extinguishers. The HM–234 NPRM Technical Instructions or if further 0014]. notes the controls detailed in § 173.309 changes were necessary to the UN • Sterilization Devices Containing provide an acceptable level of safety Model Regulations. The representative Nitrogen Tetroxide or Nitric Oxide: The regardless of whether the cylinder is from ICAO who presented the paper 2017–2018 ICAO Technical Instructions equipped for use as a handheld fire noted they would come back with an adopted special provision A211 to allow extinguisher or as a component of a additional paper and clarifications at for the transport of sterilization devices fixed fire suppression system. the next session. As work at the UN that contain small quantities of ‘‘UN As this issue is already being Sub-Committee is still ongoing, PHMSA 1067, Nitrogen dioxide’’ and ‘‘UN 1660, considered in an open rulemaking, we is not proposing changes to the current Nitric oxide, compressed’’ by both are not proposing to make any changes HMR requirements for the classification passenger and cargo aircraft. We are not to the transport provisions for fire or transportation of infected live proposing incorporation of ICAO special extinguishers or cylinders used in fire animals or animal materials at this time. provision A211 at this time. • extinguishers. All comments, including Special Aircraft Operations: The While we did not oppose the adoption potential impacts arising from differing 2017–2018 ICAO Technical Instructions of this provision at ICAO, we did so domestic and international adopted changes to the general recognizing that the transport requirements, concerning transport exceptions for hazardous materials environment and infrastructure is much requirements for cylinders used in fire carried by an aircraft in special aircraft different in parts of the world outside of extinguishers should be submitted to operations (e.g., air ambulance, search the United States; and that consistent the HM–234 docket (Docket No. and rescue). These changes are to clarify with our harmonization rulemaking PHMSA–2011–0140) at http:// that hazardous materials involved in considerations we would assess how www.regulations.gov. these special aircraft operations for best to address this topic within the related purposes (e.g., training flights HMR. During the time these VI. Section-By-Section Review and positioning flights prior to or after amendments were being considered by The following is a section-by-section maintenance) are excepted from the ICAO, we received a special permit review of the amendments proposed in ICAO Technical Instructions as stated in application that detailed more specific this NPRM: Part 1, Chapter 1. On June 2, 2016, information than was available during PHMSA published a final rule [Docket the ICAO deliberations. Additionally, Part 107 No. PHMSA–2013–0225 (HM–218H); 81 PHMSA received a petition for Section 107.502 FR 35483] that revised § 175.1(d) rulemaking (P–1672) requesting PHMSA (formerly § 175.9(b)(4)) to clarify that harmonize with the recently adopted Section 107.502 provides general staging operations and other operations ICAO TI provisions for sterilization requirements for the registration of related to dedicated air ambulance, devices. Based on the lack of broad cargo tank and cargo tank motor vehicle firefighting, or search and rescue applicability, the technically specific manufacturers, assemblers, repairers, operations are intended to be excepted nature of these devices and packaging inspectors, testers, and design certifying from the HMR when in compliance with systems, the significant toxicity hazard engineers. In this NPRM, PHMSA the [Federal Aviation Regulations] and corresponding risk to air transport, proposes to revise paragraph (b) to (FAR).’’ Accordingly, PHMSA and the and the benefit of considering provide an exception from the Federal Aviation Administration (FAA) additional operational controls available registration requirements for certain believe that the current special aircraft to mitigate risk, it is our determination persons engaged in the repair, as operation’s provisions in § 175.1(d) that transport in accordance with the defined in § 180.403, of DOT sufficiently provide the flexibility to provisions of ICAO special provision specification cargo tanks by facilities in allow for these types of flight activities A211 are more suitably addressed Canada in accordance with the (e.g., training flights and positioning through PHMSA’s Special Permit proposed § 180.413(a)(1)(iii) in this flights prior to or after maintenance). program. NPRM. Persons engaged in the repair of Therefore, PHMSA is not proposing • Cylinders Containing Gases for Use cargo tanks in Canada are required to changes to the current HMR in Fire Extinguishers or Stationary Fire- register in accordance with the requirements for special aircraft Fighting Installations: In some cases Transport Canada TDG Regulations as operations. cylinders that are not a permanent the Canadian registration requirements • Enhanced Safety Provisions for component of a fire extinguisher or a are substantially equivalent to those in Lithium Batteries Transported by stationary fire-fighting installation are part 107 subpart F of the HMR. The Aircraft: The 2015–2016 Edition of the transported separately from these fire registration information is available on ICAO Technical Instructions adopted extinguishers (e.g., prior to their use in Transport Canada’s Web site at http:// enhanced safety provisions for lithium the fire extinguisher or stationary fire- wwwapps.tc.gc.ca/saf-sec-sur/3/fdr-rici/ batteries transported by aircraft, fighting installation and for filling). At highway/tanks.aspx. The Transport effective April 1, 2016. These the 44th session of the UN Sub- Canada TDG Regulations except persons

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repairing TC specification cargo tanks at inspected, tested, repaired, or rebuilt at while also broadening reciprocity with facilities in the United States from the facility are included in the Canada. registering in Canada if they are application for approval to PHMSA; and Part 171 registered in accordance with part 107 to amend paragraph (d) to include subpart F. various TC cylinders to the list of Section 171.2 Therefore, PHMSA believes that cylinders requiring issuance of a RIN to requiring the registration of Canadian requalifiers. Section 171.2 prescribes general cargo tank repair facilities authorized by PHMSA also proposes to amend requirements for each person the proposed § 180.413(a)(1)(iii) would paragraph (f) to recognize facilities performing functions covered by this be unnecessarily duplicative and that authorized by Transport Canada to subchapter. PHMSA proposes to amend excepting them from registering in requalify comparable DOT specification paragraph (h)(1) by adding the letters accordance with part 107 subpart F cylinders, as well as DOT RIN holders ‘‘TC,’’ ‘‘CRC,’’ and ‘‘BTC’’ to the list of would augment reciprocity without to requalify comparable Transport specification indications that may not negatively impacting safety. See Canada cylinders subject to be misrepresented according to ‘‘Harmonization Proposals in this modification of their existing approval. § 171.2(g). This is necessary as a result NPRM’’ and the § 180.413 entry in the PHMSA recognizes that Transport of proposed amendments in § 171.12 ‘‘Section-by-Section Review’’ of this Canada’s approval and registration authorizing the use of various Transport document for additional background requirements are substantially Canada approved specification and discussion of this proposal. equivalent to the requirements in 49 cylinders under certain conditions. Section 107.801 CFR part 107 subpart I and provide an Section 171.7 equivalent level of safety. In addition, Section 107.801 prescribes approval traceability is maintained based on Section 171.7 provides a listing of all procedures for persons seeking to Transport Canada’s publicly available voluntary consensus standards engage in a variety of activities Web site at http://wwwapps.tc.gc.ca/saf- incorporated by reference into the HMR, regulated by PHMSA (i.e., independent sec-sur/3/fdr-rici/cylinder/ as directed by the ‘‘National Technology inspection agencies, cylinder requalifier.aspx, which allows tracing of Transfer and Advancement Act of requalification). In this NPRM, PHMSA a DOT specification cylinder marked 1996.’’ According to the Office of proposes to amend paragraph (a)(2) to with a Transport Canada assigned Management and Budget (OMB), include provisions for persons seeking Circular A–119, ‘‘Federal Participation approval to engage in the requalifier’s registered mark back to the 3 in the Development and Use of requalification, rebuilding, or repair of a appropriate requalification facility. The proposed addition of paragraph Voluntary Consensus Standards and in cylinder manufactured in accordance Conformity Assessment Activities,’’ with a Transport Canada (TC), Canadian (f)(2) would allow persons who are government agencies must use Transportation Commission (CTC), already registered with PHMSA to voluntary consensus standards Board of Transport Commissioners for perform requalification functions on wherever practical in the development Canada (BTC) or Canadian Railway DOT specification cylinders to register of regulations. Agency adoption of Commission (CRC) specification under to requalify corresponding TC cylinder industry standards promotes the Transport Canada TDG Regulations. specifications without additional review productivity and efficiency in Persons engaged in the requalification, by an independent inspection agency. government and industry, expands rebuilding, or repair of TC, CTC, CRC, Specifications considered equivalent are opportunities for international trade, or BTC specification cylinders in the identified in the preamble to this notice conserves resources, improves health U.S. are required to register with DOT (see Table 1 in § 171.12 discussion). and safety, and protects the in accordance with this subpart. Applicants would be required to submit environment. PHMSA will issue a new approval or all of the information prescribed in revise an existing one to reflect the § 107.705(a) that identifies the TC, CTC, PHMSA actively participates in the applicant’s intent to requalify TC CRC, or BTC specification cylinder(s) or development and updating of consensus cylinders. Upon approval, the tube(s) to be inspected; certifies the standards through representation on Requalifier Identification Number (RIN) requalifier will operate in compliance more than 20 consensus standard bodies holder must mark the TC cylinder in with the applicable TDG regulations; and regularly reviews updated accordance with applicable Transport and certifies the persons performing consensus standards and considers their Canada TDG Regulations except that the requalification have been trained in the merit for inclusion in the HMR. For this requalifier’s registered mark shall be functions applicable to the requalifier rulemaking, we evaluated updated replaced with the DOT RIN. See the activities. international consensus standards discussion of proposed changes to The proposed addition of paragraph pertaining to proper shipping names, § 107.805 for additional requirements (f)(3) would allow persons who are hazard classes, packing groups, special and exceptions. already registered with Transport provisions, packaging authorizations, air Canada to requalify corresponding DOT transport quantity limitations, and Section 107.805 specification cylinders without vessel stowage requirements and Section 107.805 prescribes the additional application to PHMSA for determined that the revised standards requirements cylinder and pressure approval. This proposed exception provide an enhanced level of safety receptacle requalifiers need to meet in would provide cylinder owners with without imposing significant order to be approved by PHMSA. In this additional access to repair and compliance burdens. These standards NPRM, PHMSA proposes to amend requalification facilities in Canada, have well-established and documented paragraph (a) to authorize prospective safety histories, and their adoption will requalifiers to obtain approval by 3 The search function on Transport Canada’s Web maintain the high safety standard PHMSA to inspect, test, certify, repair, site allows users to search for the registered mark currently achieved under the HMR. of requalifiers. Searching by the registered mark or rebuild TC specification cylinders; to found on a cylinder will allow interested parties to Therefore, in this NPRM, PHMSA amend paragraph (c)(2) to ensure the verify that the cylinder was requalified by a facility proposes to add and revise the following types of TC cylinders intended to be certified by Transport Canada. incorporation by reference materials:

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• Paragraph (t)(1), which incorporates and testing; and ISO 7866:2012/Cor dangerous goods and for maintenance the International Civil Aviation 1:2014 Gas cylinders—Refillable in connection with periodic Organization Technical Instructions for seamless aluminium alloy gas inspection. It applies to acetylene the Safe Transport of Dangerous Goods cylinders—Design, construction and cylinders with and without solvent by Air, 2015–2016 Edition, would be testing, Technical Corrigendum 1 are and with a maximum nominal water revised to incorporate the 2017–2018 proposed for incorporation in capacity of 150 L (39.62 gallons). Edition. The International Civil paragraphs (w)(27) and (w)(28). ISO —ISO 11119–1:2012 Gas cylinders— Aviation Organization Technical 7866:2012 specifies minimum Refillable composite gas cylinders and Instructions for the Safe Transport of requirements for the material, design, tubes—Design, construction and Dangerous Goods by Air contain construction and workmanship, testing—Part 1: Hoop wrapped fibre detailed instructions necessary for the manufacturing processes and tests at reinforced composite gas cylinders safe international transport of dangerous time of manufacture of refillable and tubes up to 450 l; ISO 11119– goods by air. The ICAO TI supports the seamless aluminium alloy gas 2:2012 Gas cylinders—Refillable broad principles by establishing cylinders of water capacities up to composite gas cylinders and tubes— requirements necessary to ensure and including 150 L (39.62 gallons) Design, construction and testing—Part hazardous materials are safely for compressed, liquefied and 2: Fully wrapped fibre reinforced transported in aircraft while providing a dissolved gases for worldwide use. composite gas cylinders and tubes up level of safety that protects the aircraft —ISO 11114–2:2013 Gas cylinders— to 450 l with load-sharing metal and its occupants from undue risk. Compatibility of cylinder and valve liners; ISO 11119–2:2012/Amd 1:2014 • Paragraph (v)(2), which materials with gas contents—Part 2: Gas cylinders—Refillable composite incorporates the International Maritime Non-metallic materials is proposed for gas cylinders and tubes—Design, Organization International Maritime incorporation in paragraph (w)(48). construction and testing—Part 2: Dangerous Goods Code, 2014 Edition, ISO 11114–2:2013 gives guidance in Fully wrapped fibre reinforced Incorporating Amendment 37–14, the selection and evaluation of composite gas cylinders and tubes up English Edition, Volumes 1 and 2, compatibility between non-metallic to 450 l with load-sharing metal would be revised to incorporate the materials for gas cylinders and valves liners; and ISO 11119–3:2013 Gas 2016 Edition, Amendment 38–16. The and the gas contents. It also covers cylinders—Refillable composite gas International Maritime Organization bundles, tubes and pressure drums. cylinders and tubes—Design, International Maritime Dangerous —ISO 9809–4:2014 Gas cylinders— construction and testing—Part 3: Goods Code is intended to provide for Refillable seamless steel gas Fully wrapped fibre reinforced the safe transportation of hazardous cylinders—Design, construction and composite gas cylinders and tubes up testing—Part 4: Stainless steel materials by vessel, protect crew to 450 l with non-load-sharing cylinders with an Rm value of less members and to prevent marine metallic or non-metallic liners are than 1 100 MPa is proposed for pollution. The Code is based on the UN proposed for incorporation in incorporation in paragraph (w)(36). Model Regulations, but also includes paragraphs (w)(54), (w)(56), (w)(57), ISO 9809–4:2014 specifies the additional requirements applicable to and (w)(59), respectively. ISO 11119– minimum requirements for the the transport of hazardous materials by 1:2012, ISO 11119–2:2012, and ISO material, design, construction and sea (e.g., requirements for marine 11119–3:2013 specify requirements workmanship, manufacturing pollutants; freight container loading for composite gas cylinders and tubes processes, examinations, and tests at procedures; stowage and segregation; between 0.5 L (39.62 gallons) and 450 manufacture of refillable seamless L (119 gallons) water capacity, for the and other requirements applicable to stainless steel gas cylinders of water shipboard safety and preservation of the capacities from 0.5 L (.13 gallons) up storage and conveyance of marine environment) that are not to and including 150 L (39.62 gallons) compressed or liquefied gases. covered by the UN Model Regulations. —ISO 11515:2013 Gas cylinders— • for compressed, liquefied, and Paragraph (w), which incorporates dissolved gases. Refillable composite reinforced tubes various International Organization for —ISO 10297:2014 Gas cylinders— of water capacity between 450 L and Standardization entries, would be Cylinder valves—Specification and 3000 L—Design, construction and revised to incorporate by reference type testing is proposed for testing is proposed for incorporation standards for the specification, design, incorporation in paragraph (w)(42). in paragraph (w)(62). ISO 11515:2013 construction, testing, and use of gas ISO 10297:2014 specifies design, type specifies minimum requirements for cylinders: testing and marking requirements for: the design, construction and —ISO 3807:2013 Gas cylinders— (a) Cylinder valves intended to be performance testing of composite Acetylene cylinders—Basic fitted to refillable transportable gas reinforced tubes between 450 L (119 requirements and type testing is cylinders; (b) main valves (excluding gallons) and 3,000 L (792.5 gallons) proposed for incorporation in ball valves) for cylinder bundles; (c) water capacity, for transport, storage paragraph (w)(16). ISO 3807:2013 cylinder valves or main valves with and use of compressed or liquefied specifies the basic and type testing integrated pressure regulator (VIPR); gases with test pressures up to and requirements for acetylene cylinders which convey compressed, liquefied including 1600 bar with a design life with and without fusible plugs with a or dissolved gases. of at least 15 years and less than or maximum nominal water capacity of —ISO 10462:2013 Gas cylinders— equal to 30 years. 150 L (39.62 gallons) and Transportable cylinders for dissolved • Paragraph (bb)(1), which requirements regarding production/ acetylene—Periodic inspection and incorporates the Transport Canada batch test procedures for maintenance is proposed for Transportation of Dangerous Goods manufacturing of acetylene cylinders incorporation in paragraph (w)(44). Regulations, would add subparagraphs with porous material. ISO 10462:2013 specifies (xiii), (xiv), (xv), (xvi), (xvii), (xviii), and —ISO 7866:2012 Gas cylinders— requirements for the periodic (xix) to include SOR/2014–152 and Refillable seamless aluminium alloy inspection of acetylene cylinders as SOR/2014–159 published July 2, 2014; gas cylinders—Design, construction required for the transport of SOR/2014–159 Erratum published July

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16, 2014; SOR/2014–152 Erratum transport and use of these chemicals. Prime Minister, PHMSA and Transport published August 27, 2014; SOR/2014– The GHS also provides a basis for Canada, with input from stakeholders, 306 published December 31, 2014; SOR/ harmonization of rules and regulations identified impediments to cross-border 2014–306 Erratum published January on chemicals at national, regional and transportation of hazardous materials. In 28, 2015; and SOR/2015–100 published worldwide level, an important factor this NPRM, PHMSA proposes to address May 20, 2015, respectively. The also for trade facilitation. these barriers by amending the HMR to Transport Canada Transportation of expand recognition of cylinders, cargo Dangerous Goods Regulations proposed Section 171.8 tank repair facilities, and equivalency for incorporation in this NPRM are Section 171.8 defines terms generally certificates in accordance with the TDG updates to the existing Transportation of used throughout the HMR that have Regulations. Dangerous Goods Regulations and cover broad or multi-modal applicability. In The HMR in § 171.12(a)(1) provide all updates made by Transport Canada this NPRM, PHMSA proposes to add the general authorizations to use the TDG between January 2014–May 2015. following terms and definitions: Regulations for hazardous materials • Paragraph (dd)(1), which • Design life: PHMSA proposes to add transported from Canada to the United incorporates the United Nations the term ‘‘design life’’ to define the States, from the United States to Recommendations on the Transport of maximum life of composite cylinders Canada, or through the United States to Dangerous Goods—Model Regulations, and tubes. This term is specifically Canada or a foreign destination. PHMSA 18th Revised Edition (2013), Volumes I limited to references in the HMR related proposes to amend § 171.12(a)(1) to and II, would be revised to incorporate to composite cylinders and tubes. authorize the use of a Transport Canada the 19th Revised Edition (2015), • SAPT: PHMSA proposes to add the equivalency certificate for such road or Volumes I and II. The United Nations term ‘‘SAPT’’ and a reference to rail transportation of a hazardous Model Regulations on the Transport of § 173.21(f). SAPT means self-accelerated material shipment. Consistent with Dangerous Goods provide a basis for polymerization temperature. See existing authorizations to utilize the development of harmonized regulations § 173.21(f) of this subchapter. This is TDG Regulations for transportation from for all modes of transport, in order to consistent with the similar term SADT Canada to the United States, the facilitate trade and the safe, efficient (self-accelerated decomposition proposed authorization to use a transport of hazardous materials. temperature). Transport Canada equivalency • Paragraph (dd)(2), which • Service life: PHMSA proposes to certificate only applies until the incorporates the United Nations add the term ‘‘service life’’ to define the shipment’s initial transportation ends. Recommendations on the Transport of number of years a composite cylinder or In other words, once a shipment offered Dangerous Goods—Manual of Tests and tube is permitted to be in service. This in accordance with a Transport Canada Criteria, 5th Revised Edition (2009), term is specifically limited to references equivalency certificate reaches the would be revised to incorporate the 6th in the HMR related to composite destination shown on either a transport Revised Edition (2015). The Manual of cylinders and tubes. document or package markings, Tests and Criteria contains criteria, test Additionally, PHMSA proposes to transportation under the authorization methods and procedures to be used for amend the definitions for the following in § 171.12 has ended. Any subsequent classification of dangerous goods terms: offering of packages imported under a according to the provisions of Parts 2 • Aerosol: PHMSA proposes to revise Transport Canada equivalency and 3 of the United Nations the definition of ‘‘aerosol’’ to clarify that certificate would have to be done in full Recommendations on the Transport of it is an article. Currently under the compliance with the HMR. Transport Dangerous Goods, Model Regulations, as HMR, an aerosol is considered to be an Canada is proposing amendments to the well as of chemicals presenting physical article and therefore the use of inner TDG Regulations to authorize similar hazards according to the Globally packagings in a combination package in reciprocal treatment of PHMSA special Harmonized System of Classification not necessary. However, practice has permits. and Labelling of Chemicals (GHS). shown that an aerosol is often mistaken The HMR in § 171.12(a)(4) authorize • Paragraph (dd)(3) would be added for the inner packaging of a combination the transportation of a cylinder to incorporate the United Nations packaging, including both the substance authorized by the Transport Canada Recommendations on the Transport of dispensed (liquid, paste, or powder) and TDG Regulations to, from, or within the Dangerous Goods, Globally Harmonized the propellant gas itself. United States. Currently this System of Classification and Labelling • Large salvage packaging: PHMSA authorization is limited to Canadian of Chemicals (GHS), 6th Revised Edition proposes to revise the definition of Transport Commission (CTC) cylinders (2015). Section 172.401 references the ‘‘large salvage packaging’’ to add a corresponding to a DOT specification incorporation by reference of the GHS in reference to non-conforming hazardous cylinder and UN pressure receptacles § 171.7; however, this entry does not materials packages to be consistent with marked with ‘‘CAN.’’ In this NPRM, currently appear in § 171.7. The the wording in the definition of ‘‘salvage PHMSA proposes to amend paragraph proposed addition of this paragraph packaging.’’ (a)(4)(ii) authorizing the use of Canadian would correct this oversight. The • UN tube: PHMSA proposes to revise manufactured cylinders. Specifically, Globally Harmonized System of the definition of ‘‘UN tube,’’ which PHMSA proposes to authorize the Classification and Labelling of describes it as a seamless pressure transportation of CTC, CRC, BTC, and Chemicals (GHS), addresses receptacle, to specify that the term TC cylinders that have a corresponding classification of chemicals by types of includes composite cylinders. DOT specification cylinder prescribed hazard and proposes harmonized hazard in the HMR. communication elements, including Section 171.12 This proposal does not remove or labels and safety data sheets. It aims at Section 171.12 prescribes amend existing requirements for DOT ensuring that information on physical requirements for the use of the specification cylinders; rather, PHMSA hazards and toxicity from chemicals be Transport Canada TDG Regulations. proposes to provide that a shipper may available in order to enhance the Under the U.S.-Canada RCC, which was use either a DOT specification cylinder protection of human health and the established in 2011 by the President of or a TC cylinder as appropriate. The environment during the handling, the United States and the Canadian goal of these amendments is to promote

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flexibility; to permit the use of advanced Additionally, PHMSA proposes to in Canada to be filled, used, and technology for the requalification and amend paragraph (a)(4) to authorize the requalified (including rebuild, repair, use of pressure receptacles; to provide filling, maintenance, testing, and use of reheat-treatment) in the United States in for a broader selection of authorized CTC, CRC, BTC, and TC cylinders that accordance with the TDG Regulations. pressure receptacles; to reduce the need have a corresponding DOT specification Table 1 lists the Canadian cylinders for special permits; and to facilitate cylinder as prescribed in HMR. This with the corresponding DOT cross-border transportation of these authorization will extend the cylinders. recognition of cylinders manufactured specification cylinders:

TABLE 1

DOT CTC TC (some or all of these may also be marked with a ICC (some or all of these may also be marked with prefix) a BTC and a CRC prefix)

TC–3AM ...... DOT–3A [ICC–3] ...... CTC–3A TC–3AAM ...... DOT–3AA ...... CTC–3AA TC–3ANM ...... DOT–3BN ...... CTC–3BN TC–3EM ...... DOT–3E ...... CTC–3E TC–3HTM ...... DOT–3HT ...... CTC–3HT TC–3ALM ...... DOT–3AL ...... CTC–3AL — DOT–3B ...... CTC–3B TC–3AXM ...... DOT–3AX ...... CTC–3AX TC–3AAXM ...... DOT–3AAX ...... CTC–3AAX TC–3TM ...... DOT–3T. TC–4AAM33 ...... DOT–4AA480 ...... CTC–4AA480 TC–4BM ...... DOT–4B ...... CTC–4B TC–4BM17ET ...... DOT–4B240ET ...... CTC–4B240ET TC–4BAM ...... DOT–4BA ...... CTC–4BA TC–4BWM ...... DOT–4BW ...... CTC–4BW TC–4DM ...... DOT–4D ...... CTC–4D TC–4DAM ...... DOT–4DA ...... CTC–4DA TC–4DSM ...... DOT–4DS ...... CTC–4DS TC–4EM ...... DOT–4E ...... CTC–4E TC–39M ...... DOT–39 ...... CTC–39 TC–4LM ...... DOT–4L ...... CTC–4L DOT–8 ...... CTC–8 DOT–8AL ...... CTC–8AL

A U.S.-based facility is permitted to various international standards ‘‘Rocket motors’’ that typically meet test refill and use a cylinder marked as authorized by the HMR. PHMSA criteria for assignment to Division 1.4, meeting CTC specification provided it proposes to amend paragraph (a) to add Compatibility Group C, but are assigned complies with the applicable TC, CTC, BTC, or CRC specification to 1.3C (i.e., UN 0186) or the 1.4C n.o.s. requirements specified in § 171.12. In cylinders to the list of cylinders which classification (i.e., UN 0351). This 1.4 accordance with § 171.12(a)(4), when may be transported to from or within rocket motor entry accurately reflects the provisions of subchapter C of the the United States. the product type and hazard of these HMR require that a DOT specification or articles and allows for the assignment of Part 172 a UN pressure receptacle must be used specific packaging instructions. With for a hazardous material, a packaging Section 172.101 the addition of an internationally authorized by Transport Canada’s TDG Section 172.101 provides the recognized proper shipping name and Regulations may be used only if it Hazardous Materials Table (HMT), as identification number, PHMSA is corresponds to the DOT specification or well as instructions for its use. Readers considering the removal of the existing UN standard authorized by this should review all changes for a HMT entry ‘‘NA 0276, Model rocket subchapter. complete understanding of the motor.’’ We specifically solicit comment If implemented, the proposed actions amendments. For purposes of the on the potential impact of removing the described above would resolve many of Government Printing Office’s existing ‘‘NA 0276’’ 1.4C HMT entry. • the existing reciprocity issues, typesetting procedures, proposed UN 3527 Polyester resin kit, solid streamline the processing of Canadian changes to the HMT appear under three base material cylinders within the United States, and sections of the Table: ‘‘remove,’’ ‘‘add,’’ This new HMT entry addresses alleviate unnecessary burdens on the and ‘‘revise.’’ Certain entries in the polyester resin kits with a base material transportation industry. DOT RIN HMT, such as those with revisions to that does not meet the definition of holders may requalify and mark a TC the proper shipping names, appear as a Class 3 (Flammable liquid) and is more cylinder in accordance with applicable ‘‘remove’’ and ‘‘add.’’ In this NPRM, appropriately classed as a Division 4.1 TDG Regulations, including the PHMSA proposes to amend the HMT for (Flammable solid). Presently, polyester application of metric markings. the following: resin kits are limited to those with a Class 3 liquid base material component Section 171.23 New HMT entries: • UN 0510 Rocket Motors, Division and are assigned under the entry UN Section 171.23 prescribes 1.4C 3269. This new entry permits products requirements for specific materials and This new HMT entry is the result of with a viscous base component packagings transported under the packaged products of low power containing a flammable solvent that

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does not meet the definition of a for nine days as the result of extreme (PCBs) and polychlorinated terphenyls flammable liquid but does meet the weather conditions with temperatures (PCTs), we propose this revision to definition of a flammable solid. consistently above 33 °C (91 °F). After ensure that they are considered as PCBs • UN 3528 Engine, internal being stored for approximately two or PCTs for the purposes of transport. combustion, flammable liquid powered weeks at a low temperature at the Amendments to column (3) hazard or Engine, fuel cell, flammable liquid destination, several bottles containing class or division: powered or Machinery, internal the substance exploded and caught fire. Section 172.101(d) describes column combustion, flammable liquid powered It was concluded that moist air entered (3) of the HMT and the designation of or Machinery, fuel cell, flammable the bottles during the long transit time the hazard class or division liquid powered under high temperatures causing a corresponding to each proper shipping • UN 3529 Engine, internal chemical reaction and pressure build name. combustion, flammable gas powered or up. Panel members suspected a PHMSA proposes to revise the hazard Engine, fuel cell, flammable gas classification problem, but they could class of ‘‘UN 3507, Uranium powered or Machinery, internal not determine whether this was due to hexafluoride, radioactive material, combustion, flammable gas powered or shipper error or a limitation in the excepted package, less than 0.1 kg per Machinery, fuel cell, flammable gas classification criteria in the regulations. package, non-fissile or fissile-excepted,’’ powered The issue was submitted to the attention from Class 8 to Division 6.1 and • UN 3530 Engine, internal of the UN Sub-Committee at the subsequently to add the Class 8 hazard combustion or Machinery, internal December 2016 meeting for further as a subsidiary hazard label code in combustion review and determination if a new column (6). This revision is based on These new HMT entries apply to the classification was required. In the the precedence provisions for fuel contained in engines and interim, a new light type entry was classification of materials possessing machinery powered by Class 3 added to the ICAO Technical more than one hazard and is consistent flammable liquids, Division 2.1 gases, Instructions Dangerous Goods List with with the 19th Revised Edition of the UN and Class 9 environmentally hazardous a new special provision (A210) assigned Model Regulations. The presence of a substances. The previous entry to ‘‘Catecholborane’’ and ‘‘1, 3, 2- Division 6.1 hazard was determined applicable to these articles, UN 3166, is Benzodioxaborole’’ forbidding the following a thorough review of literature now applicable to vehicles only. As a substance for transport by air on both and test data on uranium hexafluoride. result of the new ‘‘Engine’’ and passenger and cargo aircraft. Transport A summary of the data and a proposal ‘‘Machinery’’ entries, the entries ‘‘UN on cargo aircraft would be possible with to revise the primary hazard class from 3166, Engines, internal combustion, or the approval of the State of Origin and Class 8 to Division 6.1 was provided in Engines, fuel cell, flammable gas State of the Operator. Working Paper ST/SG/AC.10/C.3/2014/ powered’’ and ‘‘UN 3166, Engines Consistent with the ICAO Technical 60, which was submitted to the 45th internal combustion, or Engines, fuel Instructions, PHMSA proposes to add session of the UN Sub-Committee of cell, flammable liquid powered’’ are new HMT entries in italics for Experts on the Transport of Dangerous removed. ‘‘Catecholborane’’ and ‘‘1, 3, 2- Goods and is available at http:// • UN 3531 Polymerizing substance, Benzodioxaborole’’ and to assign a new www.unece.org/fileadmin/DAM/trans/ solid, stabilized, n.o.s. special provision A210 clarifying that doc/2013/dgac10c3/ST-SG-AC.10-C.3- • UN 3532 Polymerizing substance, this material is forbidden for air 2014-60e.pdf. liquid, stabilized, n.o.s. transport unless approved by the Amendments to column (6) label(s): • UN 3533 Polymerizing substance, Associate Administrator. Section 172.101(g) describes column solid, temperature controlled, n.o.s. Amendments to column (2) hazardous (6) of the HMT and the labels required • UN 3534 Polymerizing substance, materials descriptions and proper (primary and subsidiary) for specific liquid, temperature controlled, n.o.s. shipping names: entries in the HMT. These new Division 4.1 HMT entries Section 172.101(c) describes column Data presented to the UNSCOE in this are added for polymerizing substances (2) of the HMT and the requirements for last biennium indicated a need for the that do not meet the criteria for hazardous materials descriptions and addition of a subsidiary hazard of inclusion in any other hazard class. proper shipping names. Division 6.1 to be assigned to ‘‘UN 2815, • Catecholborane (also known as 1, 3, • PHMSA proposes to amend the N-Aminoethylpiperazine,’’ ‘‘UN 2977, 2-Benzodioxaborole) proper shipping name for ‘‘UN 3269, Radioactive material, uranium At the ICAO DGP/25 meeting, the Polyester resin kit’’ by adding the hexafluoride, fissile,’’ and ‘‘UN 2978, Panel was informed of an incident italicized text ‘‘liquid base material.’’ Radioactive material, uranium involving Catecholborane (also known This is consistent with the format of the hexafluoride non fissile or fissile- as 1, 3, 2-Benzodioxaborole) that new HMT entry for polyester resin kits excepted.’’ PHMSA proposes to make resulted in an industry recommendation with a solid base material. appropriate amendments to the HMT to to forbid transport of the substance by • PHMSA proposes to amend the account for these revisions to the UN air unless transported in pressure proper shipping names for ‘‘UN 3151, Model Regulations. receptacles and under cooled Polyhalogenated biphenyls, liquid or For the HMT entry, ‘‘UN 3507, conditions. The material was classified Polyhalogenated terphenyls, liquid’’ and Uranium hexafluoride, radioactive as ‘‘UN 2924, Flammable liquid, ‘‘UN 3152, Polyhalogenated biphenyls, material, excepted package, less than corrosive, n.o.s.’’ The product properties solid or Polyhalogenated terphenyls, 0.1 kg per package, non-fissile or fissile- indicated (1) that the substance solid’’ by adding ‘‘Halogenated excepted,’’ PHMSA proposes to revise decomposes to borane gas at a rate of 2 monomethyldiphenylmethanes, liquid’’ the labels for consistency with the percent per week at room temperature, and ‘‘Halogenated change made to the classification of this (2) that borane gas could ignite when in monomethyldiphenylmethanes, solid,’’ material under amendments to column contact with moist air, and (3) that respectively. Noting that halogenated (3) (see above). The Class 8 (Corrosive) catecholborane could react violently monomethyldiphenylmethanes have primary hazard label would be revised with water. The incident occurred after similar chemical and ecotoxicological to a Division 6.1 primary hazard label transport of the substance was delayed properties as polychlorinated biphenyls and Class 8 subsidiary hazard label in

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addition to the existing Class 7 revisions, and deletions to the special polymerizing substances and to the 52 (Radioactive) subsidiary hazard label to provisions addressed in this NPRM. named substances in the HMT that read ‘‘6.1, 7, 8.’’ • In this NPRM, new special polymerize, all of which contain the text Amendments to column (7) special provision 157 is proposed to be assigned ‘‘stabilized’’ as part of the proper provisions: to the HMT entry ‘‘UN 3527, Polyester shipping name, except for ‘‘UN 2383, resin kit, solid base material.’’ Dipropylamine’’ (see Table 2 below). Section 172.101(h) describes column • In this NPRM, new special This new special provision includes (7) of the HMT whereas § 172.102(c) provision 379 is proposed to be assigned transport controls to avoid dangerous prescribes the special provisions to the HMT entries ‘‘UN1005, Ammonia, polymerization reactions including the assigned to specific entries in the HMT. anhydrous’’ and ‘‘UN 3516, Adsorbed use of chemical stabilization or The particular modifications to the gas, toxic, corrosive, n.o.s.’’ temperature control. entries in the HMT are discussed below. • In the 19th Revised Edition of the In this NPRM, new special provision See ‘‘Section 172.102 special UN Model Regulations, new special 387 (special provision 386 already provisions’’ below for a detailed provision 386 was assigned to the four exists) is proposed to be assigned to all discussion of the proposed additions, new ‘‘n.o.s.’’ HMT entries for 52 HMT entries.

TABLE 2

Proper shipping name UN No.

Acrolein dimer, stabilized ...... UN2607 Acrolein, stabilized ...... UN1092 Acrylic acid, stabilized ...... UN2218 Acrylonitrile, stabilized ...... UN1093 Allyl isothiocyanate, stabilized ...... UN1545 Allyltrichlorosilane, stabilized ...... UN1724 Bicyclo [2,2,1] hepta-2,5-diene, stabilized or 2,5-Norbornadiene, stabilized ...... UN2251 Butadienes, stabilized or Butadienes and Hydrocarbon mixture, stabilized containing more than 40% butadienes ...... UN1010 Butyl acrylates, stabilized ...... UN2348 n-Butyl methacrylate, stabilized ...... UN2227 Butyl vinyl ether, stabilized ...... UN2352 1,2-Butylene oxide, stabilized ...... UN3022 Chloroprene, stabilized ...... UN1991 Crotonaldehyde or Crotonaldehyde, stabilized ...... UN1143 Cyanogen chloride, stabilized ...... UN1589 Diketene, stabilized ...... UN2521 Dipropylamine ...... UN2383 Divinyl ether, stabilized ...... UN1167 Ethyl acrylate, stabilized ...... UN1917 Ethyl methacrylate, stabilized ...... UN2277 Ethylacetylene, stabilized ...... UN2452 Ethyleneimine, stabilized ...... UN1185 Hydrogen cyanide, stabilized with less than 3 percent water ...... UN1051 Hydrogen cyanide, stabilized, with less than 3 percent water and absorbed in a porous inert material ...... UN1614 Isobutyl acrylate, stabilized ...... UN2527 Isobutyl methacrylate, stabilized ...... UN2283 Isoprene, stabilized ...... UN1218 Methacrylaldehyde, stabilized ...... UN2396 Methacrylic acid, stabilized ...... UN2531 Methacrylonitrile, stabilized ...... UN3079 Methyl acetylene and propadiene mixtures, stabilized ...... UN1060 Methyl acrylate, stabilized ...... UN1919 Methyl isopropenyl ketone, stabilized ...... UN1246 Methyl methacrylate monomer, stabilized ...... UN1247 Methyl vinyl ketone, stabilized ...... UN1251 Propadiene, stabilized ...... UN2200 Propyleneimine, stabilized ...... UN1921 Styrene monomer, stabilized ...... UN2055 Sulfur trioxide, stabilized ...... UN1829 Tetrafluoroethylene, stabilized ...... UN1081 Trifluorochloroethylene, stabilized or Refrigerant gas R 1113 ...... UN1082 Vinyl acetate, stabilized ...... UN1301 Vinyl bromide, stabilized ...... UN1085 Vinyl butyrate, stabilized ...... UN2838 Vinyl chloride, stabilized ...... UN1086 Vinyl ethyl ether, stabilized ...... UN1302 Vinyl fluoride, stabilized ...... UN1860 Vinyl isobutyl ether, stabilized ...... UN1304 Vinyl methyl ether, stabilized ...... UN1087 Vinylidene chloride, stabilized ...... UN1303 Vinylpyridines, stabilized ...... UN3073 Vinyltoluenes, stabilized ...... UN2618

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• In this NPRM, new special appliances, not self-inflating containing TABLE 5—Continued provision 422 is proposed to be assigned dangerous goods as equipment’’ to to the HMT entries ‘‘UN 3480, Lithium clarify that equipment containing only Proper shipping name UN No. ion batteries including lithium ion lithium batteries must be classified as polymer batteries’’; ‘‘UN 3481, Lithium either lithium batteries contained in or Zirconium powder, dry ...... UN2008 ion batteries contained in equipment packed with equipment ‘‘UN 3091’’ or Zirconium scrap ...... UN1932 including lithium ion polymer ‘‘UN 3481,’’ as appropriate. • batteries’’; ‘‘UN 3481 Lithium ion • In this NPRM, new special In this NPRM, special provision batteries packed with equipment provision A210 is proposed to be TP1 is changed to TP2 for the following including lithium ion polymer assigned to the new HMT italicized entries: ‘‘UN 2672, Ammonia solution, batteries’’; ‘‘UN 3090, Lithium metal entries for ‘‘Catecholborane’’ and ‘‘1, 3, relative density between 0.880 and 0.957 batteries including lithium alloy 2-Benzodioxaborole.’’ at 15 degrees C in water, with more than batteries’’; ‘‘UN 3091, Lithium metal • In this NPRM, new special 10 percent but not more than 35 percent batteries contained in equipment provision A212 is proposed to be ammonia’’; ‘‘UN 2709, Butyl benzenes’’; including lithium alloy batteries’’; and assigned to the HMT entry ‘‘UN 2031, ‘‘UN 2241, Cycloheptane’’; ‘‘UN 1206, ‘‘UN3091, Lithium metal batteries Nitric acid other than red fuming, with Heptanes’’; ‘‘UN 1208, Hexanes’’; ‘‘UN packed with equipment including more than 20 percent and less than 65 2294, N-Methylaniline’’; ‘‘UN 2296, lithium alloy batteries.’’ percent nitric acid.’’ Methylcyclohexane’’; ‘‘UN 1920, • In this NPRM, special provision 134 • In this NPRM, new special Nonanes’’; ‘‘UN 1262, Octanes’’; ‘‘UN is proposed to be removed from the provision B134 is proposed to be 2368, alpha-Pinene’’; ‘‘UN 1272, Pine HMT entry ‘‘UN 3072, Life-saving assigned to the PG III entries in Table 4 oil’’; ‘‘UN 2850, Propylene tetramer’’; appliances, not self-inflating containing to be consistent with revisions to the ‘‘UN 2325, 1,3,5-Trimethylbenzene’’; dangerous goods as equipment’’ and IMDG Code. ‘‘UN 2057, Tripropylene’’; ‘‘UN 1299, replaced with new special provision Turpentine’’; and ‘‘UN 1840, Zinc 182. On January 8, 2015, PHMSA TABLE 4 chloride, solution.’’ Tank provision TP2 published a final rule [Docket No. authorizes a slightly lower degree of PHMSA–2013–0260 (HM–215M); 80 FR Proper shipping name UN No. filling than TP1. The IMDG Code 1075] that added special provision 134 follows a guiding principle that assigns Aluminum powder, coated .... UN1309 TP2 to materials that are marine to ‘‘UN 3072.’’ The intent of this action Ferrous metal borings or was to harmonize with special provision Ferrous metal shavings or pollutants. In a previous harmonization A182 of the ICAO Technical Ferrous metal turnings or rulemaking (HM–215M; 80 FR 1075), Instructions to clarify that equipment Ferrous metal cuttings in a PHMSA added various hazardous containing only lithium batteries must form liable to self-heating UN2793 materials to the list of marine pollutants be classified as either lithium batteries Iron oxide, spent, or Iron in appendix B to § 172.101, but both the contained in or packed with equipment sponge, spent obtained HMT and IMDG Code failed to change ‘‘UN 3091’’ or ‘‘UN 3481.’’ In reviewing from coal gas purification .. UN1376 the TP code from TP1 to TP2 to the assignment of special provision 134 Magnesium or Magnesium authorize a lower degree of filling. alloys with more than 50 • to ‘‘UN 3072’’ to make this clarification, percent magnesium in pel- In this NPRM, special provisions PHMSA found that the provisions of lets, turnings or ribbons .... UN1869 T9, TP7, and TP33 are proposed to be special provision 134 are not assigned to Peroxides, inorganic, n.o.s ... UN1483 assigned to the HMT entry ‘‘UN 1415, ‘‘UN 3072’’ in any international Titanium sponge granules or Lithium.’’ This permits UN 1415 for standard, but rather to the entry for ‘‘UN Titanium sponge powders UN2878 transportation in UN portable tanks 3171, Battery-powered vehicle or consistent with similar Division 4.3, PG Battery-powered equipment.’’ Although • In this NPRM, new special I materials. special provision 134 does require that provision B135 is proposed to be • In this NPRM, new special equipment powered only by lithium assigned to the PG III entries in Table 5 provisions W31, W32, W40, and W100 metal batteries or lithium ion batteries consistent with revisions to the IMDG are proposed to certain water-reactive must be consigned under the entries Code. substances. The proposed special associated with lithium batteries provisions correspond with special contained in or packed with equipment, TABLE 5 packaging provisions PP31, PP31 the rest of special provision 134 is not ‘‘modified’’ (Packing Instruction P403), applicable to ‘‘Life-saving appliances, Proper shipping name UN No. PP40, and PP100 of the IMDG Code, not self-inflating containing dangerous Hafnium powder, dry ...... UN2545 respectively. Table 6 contains the goods as equipment.’’ As a result, Metal catalyst, dry ...... UN2881 proposed changes listed in alphabetical PHMSA proposes a new special Metal powder, self-heating, order and showing the proper shipping provision 182 applicable only to the n.o.s ...... UN3189 name, UN identification number, and HMT entry for ‘‘UN 3072, Life-saving Titanium powder, dry ...... UN2546 the proposed special provision(s).

TABLE 6

Proposed Proper shipping name UN No. addition(s)

Alkali metal alcoholates, self-heating, corrosive, n.o.s ...... UN3206 W31 Alkali metal alloys, liquid, n.o.s ...... UN1421 W31 Alkali metal amalgam, liquid ...... UN1389 W31 Alkali metal amalgam, solid ...... UN3401 W32 Alkali metal amides ...... UN1390 W31, W40 Alkali metal dispersions, flammable or Alkaline earth metal dispersions, flammable ...... UN3482 W31 Alkali metal dispersions, or Alkaline earth metal dispersions ...... UN1391 W31

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TABLE 6—Continued

Proposed Proper shipping name UN No. addition(s)

Alkaline earth metal alcoholates, n.o.s ...... UN3205 W31 Alkaline earth metal alloys, n.o.s ...... UN1393 W31, W40 Alkaline earth metal amalgams, liquid ...... UN1392 W31 Alkaline earth metal amalgams, solid ...... UN3402 W32 Aluminum carbide ...... UN1394 W31, W40 Aluminum ferrosilicon powder (PG II) ...... UN1395 W31, W40 Aluminum hydride ...... UN2463 W32 Aluminum phosphide ...... UN1397 W32 Aluminum phosphide pesticides ...... UN3048 W31 Aluminum powder, coated ...... UN1309 W100 Aluminum powder, uncoated ...... UN1396 W31, W40 Aluminum silicon powder, uncoated ...... UN1398 W31, W40 Aluminum smelting by-products or Aluminum remelting by-products (PG II) ...... UN3170 W31, W40 Aluminum smelting by-products or Aluminum remelting by-products (PG III) ...... UN3170 W31 2-Amino-4,6-Dinitrophenol, wetted with not less than 20 percent water by mass ...... UN3317 W31 Ammonium picrate, wetted with not less than 10 percent water, by mass ...... UN1310 W31 Arsenic acid, liquid ...... UN1533 W31 Barium ...... UN1400 W31, W40 Barium alloys, pyrophoric ...... UN1854 W31 Barium azide, wetted with not less than 50 percent water, by mass ...... UN1571 W31 Barium cyanide ...... UN1565 W31 Barium peroxide ...... UN1449 W100 Beryllium, powder ...... UN1567 W100 Boron trifluoride diethyl etherate ...... UN2604 W31 Boron trifluoride dimethyl etherate ...... UN2965 W31 Bromobenzyl cyanides, liquid ...... UN1694 W31 Bromobenzyl cyanides, solid ...... UN3449 W31 Calcium ...... UN1401 W31, W40 Calcium carbide (PG I) ...... UN1402 W32 Calcium carbide (PG II) ...... UN1402 W31, W40 Calcium cyanamide with more than 0.1 percent of calcium carbide ...... UN1403 W31, W40 Calcium cyanide ...... UN1575 W31 Calcium dithionite or Calcium hydrosulfite ...... UN1923 W31 Calcium hydride ...... UN1404 W32 Calcium manganese silicon ...... UN2844 W31 Calcium peroxide ...... UN1457 W100 Calcium phosphide ...... UN1360 W32 Calcium, pyrophoric or Calcium alloys, pyrophoric ...... UN1855 W31 Calcium silicide (PG II) ...... UN1405 W31 Calcium silicide (PG III) ...... UN1405 W31, W40 Carbon, activated ...... UN1362 W31 Carbon disulfide ...... UN1131 W31 Cerium, slabs, ingots, or rods ...... UN1333 W100 Cerium, turnings or gritty powder ...... UN3078 W31, W40 Cesium or Caesium ...... UN1407 W32 Chloric acid aqueous solution, with not more than 10 percent chloric acid ...... UN2626 W31 Chlorosilanes, water-reactive, flammable, corrosive, n.o.s ...... UN2988 W31 Chromium trioxide, anhydrous ...... UN1463 W31 Corrosive solids, water-reactive, n.o.s (PG II) ...... UN3096 W100 Cyanogen bromide ...... UN1889 W31 Decaborane ...... UN1868 W31 Dinitrophenol, wetted with not less than 15 percent water, by mass ...... UN1320 W31 Dinitrophenolates, wetted with not less than 15 percent water, by mass ...... UN1321 W31 Dinitroresorcinol, wetted with not less than 15 percent water, by mass ...... UN1322 W31 Diphenylamine chloroarsine ...... UN1698 W31 Diphenylchloroarsine, liquid ...... UN1699 W31 Diphenylchloroarsine, solid ...... UN3450 W31 Dipicryl sulfide, wetted with not less than 10 percent water, by mass ...... UN2852 W31 Ethyldichlorosilane ...... UN1183 W31 Ferrocerium ...... UN1323 W100 Ferrosilicon with 30 percent or more but less than 90 percent silicon ...... UN1408 W100 Ferrous metal borings or Ferrous metal shavings or Ferrous metal turnings or Ferrous metal cuttings in a form UN2793 W100 liable to self-heating. Fibers or Fabrics, animal or vegetable or Synthetic, n.o.s. with animal or vegetable oil ...... UN1373 W31 Fish meal, unstabilized or Fish scrap, unstabilized ...... UN1374 W31, W40 Hafnium powder, dry ...... UN2545 W31 Hafnium powder, wetted with not less than 25 percent water (a visible excess of water must be present) (a) UN1326 W31, W40 mechanically produced, particle size less than 53 microns; (b) chemically produced, particle size less than 840 microns. Iron oxide, spent, or Iron sponge, spent obtained from coal gas purification ...... UN1376 W100 Isocyanates, flammable, toxic, n.o.s. or Isocyanate solutions, flammable, toxic, n.o.s. flash point less than 23 UN2478 W31 degrees C.

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TABLE 6—Continued

Proposed Proper shipping name UN No. addition(s)

Lithium ...... UN1415 W32 Lithium aluminum hydride ...... UN1410 W32 Lithium borohydride ...... UN1413 W32 Lithium ferrosilicon ...... UN2830 W31, W40 Lithium hydride ...... UN1414 W32 Lithium hydride, fused solid ...... UN2805 W31, W40 Lithium nitride ...... UN2806 W32 Lithium peroxide ...... UN1472 W100 Lithium silicon ...... UN1417 W31, W40 Magnesium aluminum phosphide ...... UN1419 W32 Magnesium diamide ...... UN2004 W31 Magnesium granules, coated, particle size not less than 149 microns ...... UN2950 W100 Magnesium hydride ...... UN2010 W32 Magnesium or Magnesium alloys with more than 50 percent magnesium in pellets, turnings or ribbons ...... UN1869 W100 Magnesium peroxide ...... UN1476 W100 Magnesium phosphide ...... UN2011 W32 Magnesium, powder or Magnesium alloys, powder (PG I) ...... UN1418 W32 Magnesium, powder or Magnesium alloys, powder (PG II) ...... UN1418 W31, W40 Magnesium, powder or Magnesium alloys, powder (PG III) ...... UN1418 W31 Magnesium silicide ...... UN2624 W31, W40 Maneb or Maneb preparations with not less than 60 percent maneb ...... UN2210 W100 Maneb stabilized or Maneb preparations, stabilized against self-heating ...... UN2968 W100 Mercuric potassium cyanide ...... UN1626 W31 Metal catalyst, dry ...... UN2881 W31 Metal catalyst, wetted with a visible excess of liquid ...... UN1378 W31, W40 Metal hydrides, flammable, n.o.s. (PG II) ...... UN3182 W31, W40 Metal hydrides, flammable, n.o.s. (PG III) ...... UN3182 W31 Metal hydrides, water reactive, n.o.s (PG I) ...... UN1409 W32 Metal hydrides, water reactive, n.o.s (PG II) ...... UN1409 W31, W40 Metal powder, self-heating, n.o.s ...... UN3189 W31 Metal powders, flammable, n.o.s ...... UN3089 W100 Metal salts of organic compounds, flammable, n.o.s ...... UN3181 W31 Metallic substance, water-reactive, n.o.s (PG I) ...... UN3208 W32 Metallic substance, water-reactive, n.o.s (PG II) ...... W31 Metallic substance, water-reactive, n.o.s (PG III) ...... UN3208 W31, W40 Metallic substance, water-reactive, self-heating, n.o.s (PG I and III) ...... UN3209 W32 Metallic substance, water-reactive, self-heating, n.o.s (PG II) ...... UN3209 W32, W40 Methyldichlorosilane ...... UN1242 W31 Nitrocellulose, with not more than 12.6 percent nitrogen, by dry mass mixture with or without plasticizer, with UN2557 W31 or without pigment. Nitrocellulose with alcohol with not less than 25 percent alcohol by mass, and with not more than 12.6 percent UN2556 W31 nitrogen, by dry mass. Nitrocellulose with water with not less than 25 percent water by mass ...... UN2555 W31 Nitroguanidine, wetted or Picrite, wetted with not less than 20 percent water, by mass ...... UN1336 W31 4-Nitrophenylhydrazine, with not less than 30 percent water, by mass ...... UN3376 W31 Nitrostarch, wetted with not less than 20 percent water, by mass ...... UN1337 W31 Organometallic substance, liquid, water-reactive ...... UN3398 W31 Organometallic substance, liquid, water-reactive, flammable ...... UN3399 W31 Organometallic substance, solid, water-reactive ...... UN3395 W31 Organometallic substance, solid, water-reactive, flammable ...... UN3396 W31 Organometallic substance, solid, water-reactive, self-heating ...... UN3397 W31 Osmium tetroxide ...... UN2471 W31 Paper, unsaturated oil treated incompletely dried (including carbon paper) ...... UN1379 W31 Peroxides, inorganic, n.o.s ...... UN1483 W100 9-Phosphabicyclononanes or Cyclooctadiene phosphines ...... UN2940 W31 Phosphorus heptasulfide, free from yellow or white phosphorus ...... UN1339 W31 Phosphorus pentasulfide, free from yellow or white phosphorus ...... UN1340 W31, W40 Phosphorus sesquisulfide, free from yellow or white phosphorus ...... UN1341 W31 Phosphorus trisulfide, free from yellow or white phosphorus ...... UN1343 W31 Phosphorus, white dry or Phosphorus, white, under water or Phosphorus white, in solution or Phosphorus, UN1381 W31 yellow dry or Phosphorus, yellow, under water or Phosphorus, yellow, in solution. Potassium ...... UN2257 W32 Potassium borohydride ...... UN1870 W32 Potassium cyanide, solid ...... UN1680 W31 Potassium cyanide solution ...... UN3413 W31 Potassium dithionite or Potassium hydrosulfite ...... UN1929 W31 Potassium, metal alloys, liquid ...... UN1420 W31 Potassium, metal alloys, solid ...... UN3403 W32 Potassium phosphide ...... UN2012 W32 Potassium sodium alloys, liquid ...... UN1422 W31 Potassium sodium alloys, solid ...... UN3404 W32

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TABLE 6—Continued

Proposed Proper shipping name UN No. addition(s)

Potassium sulfide, anhydrous or Potassium sulfide with less than 30 percent water of crystallization ...... UN1382 W31, W40 Pyrophoric liquids, organic, n.o.s ...... UN2845 W31 Pyrophoric metals, n.o.s., or Pyrophoric alloys, n.o.s ...... UN1383 W31 Pyrophoric solid, inorganic, n.o.s ...... UN3200 W31 Pyrophoric solids, organic, n.o.s ...... UN2846 W31 Rubidium ...... UN1423 W32 Self-heating liquid, corrosive, inorganic, n.o.s ...... UN3188 W31 Self-heating liquid, corrosive, organic, n.o.s ...... UN3185 W31 Self-heating liquid, inorganic, n.o.s ...... UN3186 W31 Self-heating liquid, organic, n.o.s ...... UN3183 W31 Self-heating liquid, toxic, inorganic, n.o.s ...... UN3187 W31 Self-heating liquid, toxic, organic, n.o.s ...... UN3184 W31 Self-heating solid, inorganic, n.o.s ...... UN3190 W31 Self-heating solid, organic, n.o.s ...... UN3088 W31 Silver picrate, wetted with not less than 30 percent water, by mass ...... UN1347 W31 Sodium ...... UN1428 W32 Sodium aluminum hydride ...... UN2835 W31, W40 Sodium borohydride ...... UN1426 W32 Sodium cyanide, solid ...... UN1689 W31 Sodium cyanide solution ...... UN3414 W31 Sodium dinitro-o-cresolate, wetted with not less than 10% water, by mass ...... UN3369 W31 Sodium dinitro-o-cresolate, wetted with not less than 15 percent water, by mass ...... UN1348 W31 Sodium dithionite or Sodium hydrosulfite ...... UN1384 W31 Sodium hydride ...... UN1427 W32 Sodium hydrosulfide, with less than 25 percent water of crystallization ...... UN2318 W31 Sodium methylate ...... UN1431 W31 Sodium phosphide ...... UN1432 W32 Sodium picramate, wetted with not less than 20 percent water, by mass ...... UN1349 W31 Sodium sulfide, anhydrous or Sodium sulfide with less than 30 percent water of crystallization ...... UN1385 W31, W40 Stannic phosphide ...... UN1433 W32 Strontium peroxide ...... UN1509 W100 Strontium phosphide ...... UN2013 W32 Tear gas substances, liquid, n.o.s ...... UN1693 W31 Tear gas substance, solid, n.o.s ...... UN3448 W31 4-Thiapentanal ...... UN2785 W31 Thiourea dioxide ...... UN3341 W31 Titanium disulphide ...... UN3174 W31 Titanium hydride ...... UN1871 W31, W40 Titanium powder, dry ...... UN2546 W31 Titanium powder, wetted with not less than 25 percent water (a visible excess of water must be present) (a) UN1352 W31, W40 mechanically produced, particle size less than 53 microns; (b) chemically produced, particle size less than 840 microns. Titanium sponge granules or Titanium sponge powders ...... UN2878 W100 Titanium trichloride, pyrophoric or Titanium trichloride mixtures, pyrophoric ...... UN2441 W31 Toxic solids, water-reactive, n.o.s ...... UN3125 W100 Trichlorosilane ...... UN1295 W31 Trinitrobenzene, wetted, with not less than 10% water, by mass ...... UN3367 W31 Trinitrobenzene, wetted with not less than 30 percent water, by mass ...... UN1354 W31 Trinitrobenzoic acid, wetted with not less than 10% water by mass ...... UN3368 W31 Trinitrobenzoic acid, wetted with not less than 30 percent water, by mass ...... UN1355 W31 Trinitrochlorobenzene (picryl chloride), wetted, with not less than 10% water by mass ...... UN3365 W31 Trinitrophenol (picric acid), wetted, with not less than 10 percent water by mass ...... UN3364 W31 Trinitrophenol, wetted with not less than 30 percent water, by mass ...... UN1344 W31 Trinitrotoluene (TNT), wetted, with not less than 10 percent water by mass ...... UN3366 W31 Trinitrotoluene, wetted or TNT, wetted, with not less than 30 percent water by mass ...... UN1356 W31 Urea nitrate, wetted, with not less than 10 percent water by mass ...... UN3370 W31 Urea nitrate, wetted with not less than 20 percent water, by mass ...... UN1357 W31 Water-reactive liquid, n.o.s ...... UN3148 W31 Water-reactive solid, corrosive, n.o.s (PG I and III) ...... UN3131 W31 Water-reactive solid, corrosive, n.o.s (PG II) ...... UN3131 W31, W40 Water-reactive solid, flammable, n.o.s (PG I and III) ...... UN3132 W31 Water-reactive solid, flammable, n.o.s (PG III) ...... UN3132 W31, W40 Water-reactive solid, n.o.s (PG I) ...... UN2813 W32 Water-reactive solid, n.o.s (PG II) ...... UN2813 W31, W40 Water-reactive solid, n.o.s (PG III) ...... UN2813 W31 Water-reactive solid, self-heating, n.o.s (PG I and III) ...... UN3135 W31 Water-reactive solid, self-heating, n.o.s (PG I) ...... UN3135 W31, W40 Water-reactive solid, toxic, n.o.s (PG I and III) ...... UN3134 W31 Water-reactive solid, toxic, n.o.s (PG II) ...... UN3134 W31, W40 Xanthates ...... UN3342 W31 Xylyl bromide, liquid ...... UN1701 W31

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TABLE 6—Continued

Proposed Proper shipping name UN No. addition(s)

Zinc ashes ...... UN1435 W100 Zinc peroxide ...... UN1516 W100 Zinc phosphide ...... UN1714 W32 Zinc powder or Zinc dust (PG I and III) ...... UN1436 W31 Zinc powder or Zinc dust (PG II) ...... UN1436 W31, W40 Zirconium hydride ...... UN1437 W31, W40 Zirconium, dry, coiled wire, finished metal sheets, strip (thinner than 254 microns but not thinner than 18 mi- UN2858 W100 crons). Zirconium, dry, finished sheets, strip or coiled wire ...... UN2009 W31 Zirconium picramate, wetted with not less than 20 percent water, by mass ...... UN1517 W31 Zirconium powder, dry ...... UN2008 W31 Zirconium powder, wetted with not less than 25 percent water (a visible excess of water must be present) (a) UN1358 W31, W40 mechanically produced, particle size less than 53 microns; (b) chemically produced, particle size less than 840 microns. Zirconium scrap ...... UN1932 W31

Amendments to column (9) quantity submitted at the 25th meeting the ICAO locations on board cargo and passenger limitations: DGP, it was noted that while all other vessels, and column (10B) [Other Section 172.101(j) describes column Division 1.4C explosives listed in the provisions] specifies special stowage (9) of the HMT and the quantity table were forbidden on passenger and segregation provisions. The limitations for specific entries. aircraft, only UN 0501 was also meaning of each code in column (10B) Furthermore, columns (9A) and (9B) forbidden on cargo aircraft. A maximum is set forth in § 176.84 of this specify the maximum quantities that net quantity of 75 kg per package was subchapter. may be offered for transportation in one permitted on cargo aircraft for all other package by passenger-carrying aircraft Division 1.4C explosives. It was also Consistent with changes to or passenger-carrying rail car (column reported that a June 2015 meeting of the Amendment 38–16 of the IMDG Code, (9A)) or by cargo-only aircraft (column United Nations Working Group on PHMSA proposes numerous changes to (9B)). The indication of ‘‘forbidden’’ Explosives had determined that there the vessel stowage location codes shown means the material may not be offered were no differences between the in column (10A) of the HMT. The for transportation or transported in the transport risks posed by UN 0501 and majority of these changes are a result of applicable mode of transport. other Division 1.4C explosives. those made to the IMDG Code to ensure In this NPRM, PHMSA proposes for Amendments to column (10) vessel the safe transportation of substances column (9B) a quantity limit of 75 kg for stowage requirements: requiring stabilization when transported ‘‘UN 0501, Propellant, solid, Division Section 172.101(k) explains the by vessel. Table 7 contains the proposed 1.4C.’’ Previously, column (9B) forbid purpose of column (10) of the HMT and changes listed in alphabetical order and the transport of UN 0501 by cargo-only prescribes the vessel stowage and showing the proper shipping name, UN aircraft. This new quantity limit is segregation requirements for specific identification number, current vessel consistent with the authorized quantity entries. Column (10) is divided into two stowage location code, and proposed limit found in the ICAO Technical columns: column (10A) [Vessel stowage] vessel stowage location. Instructions. In a working paper specifies the authorized stowage

TABLE 7

Current Proposed Proper shipping name UN No. vessel vessel stowage code stowage code

Acrolein dimer, stabilized ...... 2607 A C Acrylonitrile, stabilized ...... 1093 E D N-Aminoethylpiperazine ...... 2815 A B Butyl acrylates, stabilized ...... 2348 A C n-Butyl methacrylate, stabilized ...... 2227 A C Butyl vinyl ether, stabilized ...... 2352 B C 1,2-Butylene oxide, stabilized ...... 3022 B C Ethyl acrylate, stabilized ...... 1917 B C Ethyl methacrylate, stabilized ...... 2277 B C Isobutyl acrylate, stabilized ...... 2527 A C Isobutyl methacrylate, stabilized ...... 2283 A C Isoprene, stabilized ...... 1218 E D Methacrylaldehyde, stabilized ...... 2396 E D Methyl acrylate, stabilized ...... 1919 B C Methyl isopropenyl ketone, stabilized ...... 1246 B C Methyl methacrylate monomer, stabilized ...... 1247 B C Potassium superoxide ...... 2466 E D Propyleneimine, stabilized ...... 1921 B D Radioactive material, uranium hexafluoride non fissile or fissile-excepted ...... 2978 A B Radioactive material, uranium hexafluoride, fissile ...... 2977 A B

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TABLE 7—Continued

Current Proposed Proper shipping name UN No. vessel vessel stowage code stowage code

Styrene monomer, stabilized ...... 2055 A C Vinyl acetate, stabilized ...... 1301 B C Vinyl butyrate, stabilized ...... 2838 B C Vinyl isobutyl ether, stabilized ...... 1304 B C Vinylidene chloride, stabilized ...... 1303 E D Vinyltoluenes, stabilized ...... 2618 A C

With the addition of a Division 6.1 marine pollutants by adding six new addition, PHMSA proposes to organize subsidiary hazard to ‘‘UN 2815, N- entries to remain consistent with the the structure of the special provision Aminoethylpiperazine,’’ ‘‘UN 2977, IMDG Code. These changes are into paragraph form for ease of reading. Radioactive material, uranium proposed to include those substances • Special Provision 135: Special hexafluoride, fissile,’’ and ‘‘UN 2978, that were either assigned a ‘‘P’’ in the provision 135 specifies that an internal Radioactive material, uranium dangerous goods list or identified in the combustion engine installed in a vehicle hexafluoride non fissile or fissile- alphabetical index to Amendment 38– must be consigned to the entries excepted,’’ PHMSA proposes that code 16 of the IMDG Code—based on review ‘‘Vehicle, flammable gas powered’’ or ‘‘40,’’ which indicates that the material of evaluations for each individual ‘‘Vehicle, flammable liquid powered,’’ must be stowed clear of living quarters, material, and associated isomers where as appropriate. PHMSA proposes to be added to column (10B) for these appropriate, performed by the Group of revise special provision 135 by entries to remain consistent with the Experts on the Scientific Aspects of clarifying that vehicles powered by both IMDG Code. Marine Environmental Protection a flammable liquid and a flammable gas As a consequence of adding special (GESAMP) and the GESAMP defining internal combustion engine must be provision 387, which addresses criteria for marine pollutants. The consigned to the entry ‘‘Vehicle, stabilization requirements to 52 existing following entries are proposed to be flammable gas powered.’’ In addition, entries in the HMT that are identified as added to the list of marine pollutants in PHMSA proposes to revise special requiring such, the IMO amended vessel appendix B to § 172.101: Hexanes; provision 135 by clarifying that for the stowage requirements for these entries. Hypochlorite solutions; Isoprene, purpose of this special provision, a PHMSA proposes to add code ‘‘25’’ to stabilized; N-Methylaniline; ‘‘vehicle’’ is a self-propelled apparatus column (10B) for the same 52 entries Methylcyclohexane; and Tripropylene. designed to carry one or more persons identified in Table 2. We note that the Section 172.102 special provisions: or goods. A list of examples is provided. IMDG Code did not assign stowage Section 172.102 lists special • Special Provision 157: PHMSA provisions equivalent to code ‘‘25’’ to provisions applicable to the proposes adding new special provision ‘‘UN 1167, Divinyl ether, stabilized’’ or transportation of specific hazardous 157 and assigning it to ‘‘UN 3527, ‘‘UN 2383, Dipropylamine.’’ Stowage materials. Special provisions contain Polyester resin kit, solid base material.’’ code ‘‘25’’ requires these materials to be packaging requirements, prohibitions, The special provision would allow the protected from sources of heat. PHMSA and exceptions applicable to particular maximum net capacity for inner believes the omission of this stowage quantities or forms of hazardous packagings of flammable solids in requirement in the IMDG Code to be an materials. In this NPRM, PHMSA packing group II to be increased to no oversight, and we propose to add proposes the following revisions to more than 5 kg (11 pounds) when the stowage code ‘‘25’’ to these two HMR § 172.102 special provisions: material is transported as a limited entries. • Special Provision 40: Special quantity. Code ‘‘28’’ requires materials to which provision 40 prescribes the criteria for • Special Provision 181: PHMSA this code is assigned to be stowed away classification of a ‘‘Polyester resin kit.’’ proposes adding new special provision from flammable liquids. In this NPRM, PHMSA proposes to revise special 181 and assigning it to ‘‘UN 3481, consistent with changes to the IMDG provision 40 by authorizing a polyester Lithium ion batteries contained in Code, PHMSA proposes to remove code resin kit to contain a Division 4.1 base equipment’’; ‘‘UN 3481, Lithium ion ‘‘28’’ from column (10B) for the material consistent with the new HMT batteries packed with equipment’’; ‘‘UN following HMT entries: ‘‘UN 2965, entry ‘‘UN 3527, Polyester resin kit, 3091, Lithium metal batteries contained Boron trifluoride dimethyl etherate’’; solid base material, 4.1.’’ in equipment’’; and ‘‘UN 3091, Lithium ‘‘UN 2988, Chlorosilanes, water- • Special Provision 134: Special metal batteries packed with reactive, flammable, corrosive, n.o.s’’; provision 134 prescribes the equipment.’’ The special provision ‘‘UN 1183, Ethyldichlorosilane’’; ‘‘UN applicability of the HMT entry ‘‘UN would specify that when lithium cells 1242, Methyldichlorosilane’’; ‘‘UN 3490, 3171, Battery-powered vehicle or or batteries packed with equipment and Toxic by inhalation liquid, water- Battery-powered equipment.’’ PHMSA lithium cells or batteries contained in reactive, flammable, n.o.s. with an LC50 proposes to revise special provision 134 equipment are packed in the same lower than or equal to 200 ml/m3 and by amending the list of battery powered package, the shipping paper (if used) saturated vapor concentration greater vehicle examples to include trucks, and the package must use the ‘‘packed than or equal to 500 LC50’’; and ‘‘UN locomotives, bicycles (pedal cycles with with’’ proper shipping name and UN 1295, Trichlorosilane.’’ an electric motor) and other vehicles of number. Further, all packaging Appendix B to § 172.101: this type (e.g., self-balancing vehicles or requirements applicable to both proper Appendix B to § 172.101 lists marine vehicles not equipped with at least one shipping names must be met and the pollutants regulated under the HMR. seating position), and self-propelled total mass of cells or batteries in the PHMSA proposes to revise the list of farming and construction equipment. In package must not exceed the quantity

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limits specified in columns (9A) and • Special Provision 387: PHMSA • Special Provision A210: PHMSA (9B), as applicable. proposes adding new special provision proposes adding new special provision • Special Provision 182: PHMSA 387 and assigning it to the four new A210 and assigning it to the new proposes adding new special provision ‘‘n.o.s.’’ polymerizing substance HMT italicized HMT entries 182 and assigning it to ‘‘UN 3072, Life- entries and to the 52 existing HMT ‘‘Catecholborane’’ and its synonym ‘‘1, saving appliances, not self-inflating entries that are identified as requiring 3, 2-Benzodioxaborole.’’ Consistent with containing dangerous goods as stabilization. This special provision sets the ICAO Technical Instructions, this equipment’’ to clarify that equipment forth the transport conditions when special provision clarifies that this containing only lithium batteries must stabilization, or prevention of substance is forbidden for transport by be classified as either UN 3091 or UN polymerization, is provided through the air and may only be transported on 3481, as appropriate. use of a chemical inhibitor. When a cargo aircraft with the approval of the • Special Provision 238: Special substance is stabilized via use of a Associate Administrator. • provision 238 addresses the shipment of chemical inhibitor, it is important to Special Provision A212: PHMSA neutron radiation detectors. PHMSA ensure that the level of stabilization is proposes adding new special provision proposes to revise special provision 238 sufficient to prevent the onset of a A212 and assigning it to the to the HMT to align with the UN Model Regulations dangerous reaction under conditions entry ‘‘UN 2031, Nitric acid other than special provision 373 by permitting the normally incident to transportation. red fuming, with more than 20 percent packaging to contain ‘‘absorbent’’ or This special provision requires a and less than 65 percent nitric acid.’’ ‘‘adsorbent’’ material where the determination that the degree of Consistent with the ICAO Technical previous requirement permitted chemical stabilization employed at the Instructions, this special provision ‘‘absorbent’’ material only. time the package, IBC, or tank is offered allows sterilization devices containing • Special Provision 369: Special for transport must be suitable to ensure nitric acid conforming to the conditions in the special provision to be offered for provision 369 prescribes classification that the sustained bulk mean transportation by passenger aircraft criteria, consignment instructions and temperature of the substance in the irrespective of column (9A) of the transport conditions for ‘‘UN 3507, package, IBC, or tank will not exceed 50 § 172.101 HMT listing the material as Uranium hexafluoride, radioactive °C (122 °F), under conditions normally incident to transportation. The special forbidden. material, excepted package, less than • Special Provision B134: PHMSA 0.1 kg per package, non-fissile or fissile- provision also specifies that temperature control is required at the point where proposes adding new special provision excepted.’’ PHMSA proposes to revise B134 and assigning it to UN Numbers special provision 369 in conjunction chemical stabilization becomes ineffective at lower temperatures within 1309, 1376, 1483, 1869, 2793, and 2878. with revising the primary classification When in Large Packagings offered for the anticipated duration of transport. for UN 3507 from Class 8 to Division transport by vessel, flexible or fiber Consistent with the ICAO Technical 6.1. Specifically, PHMSA proposes to inner packages containing these Instructions, PHMSA proposes to clarify clarify that this radioactive material in materials would need to be sift-proof in special provision 387 that these an excepted package possessing toxic and water-resistant, or fitted with a sift- substances are forbidden for transport and corrosive properties is classified in proof and water-resistant liner. by air when temperature control is Division 6.1 with radioactive and Consistent with the IMDG Code, these required. corrosive subsidiary risks. provisions will increase the ability of • • Special Provision 379: PHMSA Special Provision 422: PHMSA these packages to perform their proposes adding new special provision proposes to add new special provision containment function and reduce the 379 and assigning it to the HMT entries 422 to the HMT entries ‘‘UN 3480, likelihood of a fire on board cargo ‘‘UN 1005, Ammonia, anhydrous’’ and Lithium ion batteries including lithium vessels when used to transport ‘‘UN 3516, Adsorbed gas, toxic, ion polymer batteries’’; ‘‘UN 3481, substances that either generate large corrosive, n.o.s.’’ This special provision Lithium ion batteries contained in amounts of heat or give off flammable or is applicable to ammonia dispensers equipment including lithium ion corrosive toxic gases on contact with containing adsorbed ammonia, which polymer batteries’’; ‘‘UN 3481, Lithium water or moisture. are used to reduce polluting nitrogen ion batteries packed with equipment • Special Provision B135: PHMSA oxide emissions from automobiles. The including lithium ion polymer proposes adding new special provision UN Sub-Committee found that the batteries’’; ‘‘UN 3090, Lithium metal B135 and assigning it to UN Numbers substance contained in the receptacles batteries including lithium alloy 1932, 2008, 2545, 2546, 2881, and 3189. did not meet any criteria for batteries’’; ‘‘UN 3091, Lithium metal When in Large Packagings offered for classification in the Model Regulations, batteries contained in equipment transport by vessel, flexible or fiber but it acknowledged that the substance including lithium alloy batteries’’; and inner packages containing these did fit the recent definition of an ‘‘Lithium metal batteries packed with materials would need to be hermetically adsorbed gas. Based on the stability of equipment including lithium alloy sealed. Consistent with the IMDG Code, adsorption under normal transport batteries.’’ Special provision 422 states these provisions will increase the ability conditions, an exception for these that the new lithium battery Class 9 of these packages to perform their dispensers was adopted subject to label shown in § 172.447 is to be used containment function and reduce the appropriate packaging conditions. These for packages containing lithium likelihood of a fire on board cargo materials are normally forbidden for batteries that require labels. Consistent vessels when used to transport transport by air on passenger and cargo with the UN Model Regulations, substances that either generate large aircraft; however, consistent with the PHMSA proposes a transition period amounts of heat or give off flammable or ICAO Technical Instructions, PHMSA that would authorize labels conforming corrosive toxic gases on contact with proposes to authorize them on cargo to requirements in place on December water or moisture. aircraft subject to the transport 31, 2016 to continue to be used until • IP Code 19: PHMSA proposes to conditions prescribed in the special December 31, 2018. Class 9 placards, add a new IP Code 19 and assign it to provision with additional approval of when used, must conform to the UN 3531, UN 3532, UN 3553, and UN the Associate Administrator. existing requirements in § 172.560. 3534. Consistent with international

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regulations, this special provision its Dangerous Goods List (some with identifiable in rare instances, and thus, would require that IBCs are designed multiple packing groups). there is no reliable data on the and constructed to permit the release of The proposed amendment would involvement of water-reactive materials gas or vapor, thereby preventing a build- reduce the risk of fire on board cargo in these fires. Additionally, in most up of pressure that could rupture the vessels carrying hazardous materials cases, fires that start do not exceed the IBCs in the event of loss of stabilization that can react dangerously with the containment of the container itself and • Special Provision N90: Special ship’s available water and carbon extinguish on their own. These self- provision N90 is assigned to the HMT dioxide fire extinguishing systems. extinguishing fires are usually not entry ‘‘UN 3474, 1- Some of the hazardous materials for detected until the container is unloaded Hydroxybenzotriazole, monohydrate’’ which PHMSA is proposing to amend at its destination and, thus, are rarely and prohibits the use of metal packages. the vessel transportation packaging documented in any relation to vessel or PHMSA proposes, consistent with the requirements react with water or mode of shipment.6 UN Model Regulations, to revise special moisture generating excessive heat or Regarding the cost of reducing the risk provision N90 by clarifying that the releasing toxic or flammable gases. of fire from water-exposure of water- prohibition of metal packages does not Common causes for water entering into reactive materials by requiring water- include packagings constructed of other the container are: water entering resistant packaging, the FSA report material with a small amount of metal through ventilation or structural flaws concluded that the costs in relation to (e.g., metal closures or other metal in the container; water entering into the the amount of affected goods is likely to fittings). However, packagings containers placed on deck or in the hold be high.7 However, the FSA expect that constructed with a small amount of in heavy seas; and water entering into this measure will affect only a small metal must be designed such that the the cargo space upon a ship collision or number of goods, which are transported hazardous material does not contact the leak. If water has already entered the in small amounts, so that the costs in metal. container, the packaging is the only relation to the total amount of all • Special Provision N92: PHMSA protection from a potential fire. transported goods is likely to be low.8 proposes adding special provision N92 In this NPRM, PHMSA proposes to PHMSA recognizes that both the FSA to the four proposed polymerizing strengthen the ability of these packages report and our own Regulatory Impact substance, n.o.s. entries. This special transporting water-reactive substances. Analysis lack quantitative data on the provision requires packages that are PHMSA anticipates this proposed true cost of this proposal, as well as the utilized for the transportation of amendment could result in additional amount of these hazardous materials polymerizing substances to be designed costs to domestic-only shippers but not currently transported by vessel. We are and constructed to permit the release of to those shippers transporting such specifically soliciting comment gas or vapor to prevent a build-up of goods internationally. We assume that addressing any estimates of the cost of pressure that could rupture the all shippers that ship hazardous compliance with these amendments and packagings in the event of loss of materials internationally will any quantitative data on the amounts of stabilization. incorporate IMDG Code-compliant the commodities affected by this • Special Provision W31: PHMSA packaging requirements into their proposal that are currently offered for business practices. These proposed transportation by domestic vessel. proposes adding new special provision • W31 and assigning it to the 155 HMT amendments will increase costs for Special Provision W32: PHMSA entries identified in Table 6 in the some domestic shipments of affected proposes adding new special provision ‘‘Amendments to column (7) special commodities and will require materials W32 and assigning it to 38 HMT entries provisions’’ section of this rulemaking. currently transported in packaging not identified in Table 6 in the With the addition of this special already hermetically sealed to be thus ‘‘Amendments to column (7) special provision, PHMSA proposes to require packaged. Adoption of these provisions provisions’’ section of this rulemaking. packages assigned as such to be will increase the ability of these With the addition of this special hermetically sealed when offered for packages to perform their containment provision, PHMSA proposes to require transportation by vessel. function and reduce the likelihood of a packages assigned this special provision The proposed addition of W31 to fire on board cargo vessels when used to be hermetically sealed, except for these commodities harmonizes the HMR to transport substances that either solid fused material, when offered for with changes made in Amendment 38– generate large amounts of heat or give transportation by vessel. The 38 entries 16 of the IMDG Code, as well as the off flammable or toxic gases on contact to which this addition are proposed are transportation requirements of the HMR with water or moisture. A 2011 Formal already required to be packaged in this with the IMDG Code for other Safety Assessment (FSA) report manner in accordance with the IMDG commodities where they were not presented to the IMO on shipping water- Code through a modified PP31 (when previously harmonized. The IMDG Code reactive materials by vessel 5 provides compared to the PP31 mentioned in the has had provisions in place equivalent guidance regarding changes to the W31 discussion above) assigned to to proposed W31 (PP31) for certain regulation of such shipments, as well as various packing instructions. See the commodities since at least 1998.4 Other the net benefit of such changes. The comments in the W31 discussion above hazardous materials regulations (ICAO FSA report notes that analysis of the for more discussion on the reasons for this proposed amendment. Technical Instructions, HMR, and UN documented cases of fire at sea indicates • Model Regulations) do not currently that the cause of the accidents is often Special Provision W40: PHMSA contain provisions similar to W31. difficult or impossible to determine. proposes adding new special provision Amendment 38–16 of the IMDG Code is Although the cargo space is in some W40 and assigning it to 38 HMT entries adding this hermetically sealed cases identified as the origin of the fire, identified in Table 6 in the packaging requirement to 15 entries in the originating container is only ‘‘Amendments to column (7) special provisions’’ section of this rulemaking. 4 These provisions have potentially been in place 5 International Maritime Organization, 2011. before 1998. PHMSA reviewed hard copy IMDG ‘‘Stowage of Water-Reactive Materials—Report of 6 Ibid, p. 24. Codes dating back to 1998 but was unable to locate the Formal Safety Assessment—Submitted by 7 Ibid. p. 78. the origin of these provisions. Germany.’’ Report No. SO–ER 2009.267A. 8 Ibid, p. 78.

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With the addition of this special 31, 2016. PHMSA has been made aware freight container that contains 454 kg provision, PHMSA proposes to prohibit that the transition period provided may (1,001 pounds) or more gross weight of the use of bags when offered for not be sufficient to allow the regulated non-fissile, fissile-excepted, or fissile transportation by vessel. See the community to implement necessary uranium hexafluoride must be comments in the W31 discussion above changes to business practices or to placarded with a corrosive placard on for more discussion on the reasons for deplete inventories of previously each side and each end. PHMSA this proposed amendment. authorized labels. PHMSA is proposing proposes to add a requirement for these • Special Provision W100: PHMSA to extend the transition date provided in shipments currently requiring corrosive proposes adding new special provision paragraph (c)(1)(iii) until December 31, subsidiary placards to also placard with W100 and assigning it to 27 HMT 2018 for domestic transportation in 6.1 poison or toxic placards. PHMSA entries identified in Table 6 in the order to provide additional time for believes the addition of this requirement ‘‘Amendments to the column (7) special implementation and depletion of will provide important hazard provisions’’ section of this rulemaking. existing stocks of labels. communication information in the event With the addition of this special of a release of uranium hexafluoride. provision, PHMSA proposes to require Section 172.447 flexible, fiberboard, or wooden PHMSA proposes to create a new Part 173 packagings that are assigned this special section containing a new Class 9 hazard Section 173.4a provision to be sift-proof and water- warning label for lithium batteries. The resistant, or to be fitted with a sift-proof label would consist of the existing Class Section 173.4a prescribes and water-resistant liner. These 9 label with the addition of a figure transportation requirements for proposed amendments are intended to depicting a group of batteries with one excepted packages. In this NPRM, ensure that water-reactive materials broken and emitting a flame in the consistent with changes to the UN transported by vessel are in packages lower half. This label would appear on Model Regulations, PHMSA proposes to that provide an appropriate level of packages containing lithium batteries amend paragraph (e)(3) to allow protection from the ingress of water. See required to display hazard warning required absorbent materials to be the comments in the W31 discussion labels and is intended to better placed in either the intermediate or above for more discussion on the communicate the specific hazards posed outer packaging. PHMSA believes this reasons for this proposed amendment. by lithium batteries. This action is change will provide shippers of excepted packages with increased Section 172.407 consistent with the most recent editions of the UN Model Regulations, the ICAO flexibility in choosing packaging Section 172.407 prescribes Technical Instructions, and the IMDG configurations, while maintaining the specifications for labels. On January 8, Code. Packages of lithium batteries current level of safety for the 2015, PHMSA published a final rule displaying the existing Class 9 label may transportation of these small amounts of [Docket No. PHMSA–2013–0260 (HM– continue to be used until December 31, hazardous materials. 215M); 80 FR 1075] that required labels 2018. We propose this transition period Section 173.9 to have a solid line forming the inner to allow shippers to exhaust existing border 5 mm from the outside edge of stocks of labels and pre-printed Section 173.9 prescribes requirements the label and a minimum line width of packagings. We are not proposing any for the fumigant marking. In this NRPM, 2 mm. Transitional exceptions were modifications to the existing Class 9 PHMSA proposes to amend § 173.9 to provided allowing labels authorized placard or the creation of a Class 9 require that the fumigant marking and prior to this rulemaking to be used until placard specifically for cargo transport its required information are capable of December 31, 2016. units transporting lithium batteries. withstanding a 30-day exposure to open The rulemaking authorized a PHMSA solicits comment on the weather conditions. This requirement is reduction in label dimensions and appropriateness of this transition consistent with the survivability features if the size of the packaging so period. requirements for placards found in requires. This allowance for reduction § 172.519. Amendment 38–16 of the in label dimensions, consistent with the Section 172.505 IMDG Code was amended to require the requirements for standard size labels, Section 172.505 details the transport fumigant marking to be capable of was contingent on the solid line forming situations that require subsidiary surviving three months immersion in the inner border remaining 5 mm from placarding. Uranium hexafluoride is a the sea, which is consistent with IMDG the outside edge of the label and the volatile solid that may present both Code requirements for placard minimum width of the line remaining 2 chemical and radiological hazards. It is survivability. PHMSA believes ensuring mm. PHMSA has become aware that one of the most highly soluble industrial that the fumigant marking and its maintaining these inner border size uranium compounds and, when required information are robust enough requirements, while reducing the size of airborne, hydrolyzes rapidly on contact to handle conditions normally incident other label elements, may potentially with water to form hydrofluoric acid to transportation will ensure the proper 9 result in the symbols on the reduced (HF) and uranyl fluoride (UO2F2). information is conveyed to those size labels no longer being identifiable. As previously discussed in the review needing it. Therefore, we are proposing Consequently, we are proposing to of changes to § 172.102, the UN Sub- amendments to this section consistent revise paragraph (c)(i) to remove the Committee determined it necessary that with the survivability requirements for existing inner border size requirements a 6.1 subsidiary hazard be added to the placards. for reduced dimension labels and Dangerous Goods List of uranium Section 173.21 authorizing the entire label to be hexafluoride entries. Currently, in reduced proportionally. addition to the radioactive placard Section 173.21 describes situations in In the same January 8, 2015 final rule, which may be required by § 172.504(e), which the offering for transport or PHMSA authorized the continued use of each transport vehicle, portable tank, or transportation of materials or packages a label in conformance with the is forbidden. Examples include requirements of this paragraph in effect 9 https://www.epa.gov/sites/production/files/ materials designated as ‘‘Forbidden’’ in on December 31, 2014, until December 2014-11/documents/tsd58.pdf. column (3) of the HMT; electrical

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devices that are likely to generate sparks the recent changes to the UN Model the marking requirement ‘‘THIS SIDE and/or a dangerous amount of heat; and Regulations, the new definition means UP’’ with a reference to the package materials that are likely to decompose or that an article does not need to contain orientation marking prescribed in polymerize and generate dangerous solely extremely insensitive substances § 172.312(b). quantities of heat or gas during to be classified as a Division 1.6 Section 173.121 decomposition or polymerization. In material. § 173.21, PHMSA proposes to lower the Section 173.121 provides criteria for Section 173.52 temperature threshold at which a the assignment of packing groups to polymerizing substance is forbidden for Section 173.52 contains descriptions Class 3 materials. Paragraph (b)(iv) transport, unless the material is of classification codes for explosives provides criteria for viscous flammable stabilized or inhibited, from 54 °C assigned by the Associate liquids of Class 3, such as paints, (130 °F) to 50 °C (122 °F) and to amend Administrator. These compatibility enamels, lacquers and varnishes, to be the table in paragraph (f)(1) to codes consist of the division number placed in packing group III on the basis accommodate the specific temperature followed by the compatibility group of their viscosity, coupled with other controls applicable to polymerizing letter. Consistent with changes proposed criteria. In this NPRM, and consistent substances. This 50 °C (122 °F) to § 173.50 and those made in the UN with the changes to the UN Model temperature is consistent with existing Model Regulations, PHMSA proposes to regulations, PHMSA proposes to amend requirements for Division 4.1 (Self- amend the descriptive text for the 1.6N paragraph (b)(iv) to include additional reactive) and Division 5.2 (Organic classification code entry in the existing viscosity criteria that can be used as an peroxide) hazardous materials, as well table in this section to indicate that alternative where a flow cup test is as the 19th Revised Edition of UN these explosives are articles unsuitable. Many products of the paint Model Regulations for the transport of predominantly containing extremely and printing ink industry are polymerizing substances in packages insensitive substances. thixotropic in nature, which means that they are viscous at rest but become and IBCs, which requires temperature Section 173.62 control in transport if the SAPT is 45 °C thinner on application of shear or (113 °F) only for polymerizing Section 173.62 provides specific agitation (such as stirring or brushing). substances offered for transport in packaging requirements for explosives. During transport these viscous portable tanks. We are not proposing to Consistent with the UN Model flammable liquids have the potential to adopt a different temperature threshold Regulations, PHMSA proposes to revise thin under movement, but their before temperature control is required § 173.62 relating to specific packaging viscosity cannot be properly for portable tanks transporting requirements for explosives. characterized using a flow cup test since polymerizing substances. At this time, In paragraph (b), in the Explosives they will not run through the cup under we believe there is not sufficient data to Table, the entry for ‘‘UN 0510, Rocket static conditions. Additionally, PHMSA support a different threshold for motors’’ would be added and assigned proposes to include an explanatory polymerizing substances in portable Packing Instruction 130 consistent with footnote to the existing table of viscosity tanks. Further, we believe maintaining a other rocket motor entries. and flash point to assist users of the single SADT/SAPT for temperature In paragraph (c), in the Table of section in determining kinematic controls for all relevant materials (i.e., Packing Methods, Packing Instruction viscosity. 112(c) would be revised by adding a self-reactives, organic peroxides, and Section 173.124 polymerizing substances) and all particular packaging requirement packaging sizes (i.e., non-bulk, IBC, and applicable to UN 0504 requiring that Section 173.124 outlines defining bulk) is less confusing for the user. metal packagings must not be used. It criteria for Divisions 4.1 (Flammable would also be clarified that the solid), 4.2 (Spontaneously combustible), Section 173.40 prohibition of metal packagings does and 4.3 (Dangerous when wet material). Section 173.40 provides general not include packagings constructed of Division 4.1 (Flammable solid) includes packaging requirements for toxic other material with a small amount of desensitized explosives, self-reactive materials packaged in cylinders. In this metal (e.g., metal closures or other metal materials, and readily combustible NPRM, PHMSA proposes to revise fittings). Packing Instruction 114(b) solids. The UN Model Regulations paragraph (a)(1) to clarify that TC, CTC, would be revised to clarify in the adopted amendments to include CRC, and BTC cylinders authorized in particular packaging requirement polymerizing materials to the list of § 171.12, except for acetylene cylinders, applicable to UN 0508 and UN 0509 that materials that meet the definition of may be used for toxic materials. the prohibition of metal packagings does Division 4.1. Transport conditions for not include packagings constructed of polymerizing materials are not new Section 173.50 other material with a small amount of under the HMR. Section § 173.21 Section 173.50 provides definitions metal (i.e., metal closures or other metal presently contains approval provisions for the various divisions of Class 1 fittings). Packing Instruction 130 would for the transport of polymerizing (Explosive) materials referenced in part be revised by adding UN 0510 to the list materials. Unlike the present HMR 173 subpart C. Paragraph (b) of this of large and robust explosives articles requirements, the classification section notes that Class 1 (Explosive) that may be transported unpackaged. requirements adopted in the UN Model materials are divided into six divisions PHMSA proposes to add UN 0502 to Regulations do not require testing to and that the current definition of Packing Instruction P130. This addition determine the rate of vapor production Division 1.6 states that ‘‘this division corrects an existing error in the HMR. when heated under confinement. This comprises articles which contain only Packing Instruction 130 is referenced for rate should be the deciding factor when extremely insensitive substances.’’ UN 0502, but there is no mention of UN determining whether a polymerizing PHMSA proposes to amend the 0502 in the actual instruction. Packing substance should be authorized for definition of Division 1.6 to note that Instruction 137 would be revised by transportation in an IBC or portable the division is made up of articles that amending the particular packaging tank. PHMSA proposes to add predominately contain extremely instruction applicable to UN Numbers polymerizing materials to the list of insensitive substances. Consistent with 0059, 0439, 0440, and 0441 by replacing materials that meet the definition of

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Division 4.1 with the additional lithium cells or batteries packed with, or effectiveness. PHMSA proposes a requirement that that polymerizing contained in, equipment when there are transition period of December 31, 2018, substances are only authorized for more than two packages in the to provide adequate time for shippers to transport if they pass the UN Test Series consignment. This requirement would transition the new lithium battery mark E at the ‘‘None’’ or ‘‘Low’’ level when not apply to a package containing and exhaust existing stocks of tested for heating under confinement, or button cell batteries installed in preprinted packagings or markings. The other equivalent test method. Given equipment (including circuit boards) or current documentation requirement is concerns with potential test equipment when no more than four lithium cells or redundant given the existing marking issues (i.e., clogging) when subjecting two lithium batteries are installed in the requirement and provides minimal polymerizing materials to the UN Test equipment. We are further clarifying additional safety value to that provided Series E, PHMSA solicits comment on what is meant by the term by the mark. other equivalent test methods. ‘‘consignment’’ by defining the term At the 49th session of UN Sub- Specifically, we propose to add a new used in § 173.185 as one or more Committee, a late design revision to the paragraph, (a)(4), that defines packages of hazardous materials lithium battery mark was adopted to polymerizing materials generally and accepted by an operator from one authorize the mark on a background of specifies defining criteria. Polymerizing shipper at one time and at one address, ‘‘suitable contrasting color’’ in addition materials are materials that are liable to receipted for in one lot and moving to to white. This is consistent with design undergo an exothermic reaction one consignee at one destination requirements for limited quantity marks resulting in the formation of polymers address. and other marks in the Model under conditions normally encountered Under current HMR requirements, a Regulations. We are proposing to also in transport. Additionally, polymerizing package of cells or batteries that meets allow the mark on a background of materials in Division 4.1 have a self- the requirements of § 173.185(c) may be suitable contrasting color in addition to accelerating polymerization temperature packed in strong outer packagings that white. of 75 °C (167 °F) or less; have an meet the general requirements of Additionally, PHMSA proposes to appropriate packaging determined by §§ 173.24 and 173.24a instead of the amend § 173.185(c)(2) to specify that successfully passing the UN Test Series standard UN performance packaging. outer packagings used to contain small E at the ‘‘None’’ or ‘‘Low’’ level or by Lithium batteries packed in accordance lithium batteries must be rigid and of an equivalent test method; exhibit a heat with § 173.185(c) must be packed in adequate size so the handling mark can of reaction of more than 300 J/g; and do strong outer packagings that meet the be affixed on one side without the mark not meet the definition of any other general packaging requirements of being folded. The HMR currently do not hazard class. §§ 173.24 and 173.24a and be capable of prescribe minimum package dimensions withstanding a 1.2 meter (3.9 ft) drop or specific requirements for package Section 173.165 test without damage to the cells or performance other than the Section 173.165 prescribes the batteries contained in the package, requirements described in §§ 173.24 and transport and packaging requirements shifting of the contents that would allow 173.24a. We are aware of several for polyester resin kits. PHMSA battery to battery or cell to cell contact, instances in which either the package proposes to revise § 173.165 by adding or release of contents. Alternative dimensions were not adequate to the requirements for polyester resin kits hazard communication requirements accommodate the required marks and with a flammable solid base consistent also apply. The Class 9 label is replaced labels or the package was not with the new HMT entry ‘‘UN 3527, with text indicating the presence of sufficiently strong to withstand the Polyester resin kit, solid base material, lithium batteries; an indication that the rigors of transport. These proposals will 4.1.’’ package must be handled with care and enhance the communication and Section 173.185 that a flammability hazard exists if recognition of lithium batteries and damaged; procedures to take in the better ensure that packaging is strong Section 173.185 prescribes event of damage; and a telephone enough to withstand normal transport transportation requirements for lithium number for additional information. conditions. batteries. Paragraph (c) describes Instead of a shipping paper, the shipper PHMSA proposes amendments to alternative packaging and alternative can provide the carrier with an § 173.185(e) to permit the transport of hazard communication for shipments of alternative document that includes the prototype and low production runs of up to 8 small lithium cells or 2 small same information as provided on the lithium batteries contained in batteries per package (up to 1 gram per package. equipment. These proposals are mostly lithium metal cell, 2 grams per lithium In this NPRM, PHMSA proposes to consistent with amendments adopted metal battery, 20 Wh per lithium ion replace the existing text marking into the 19th Revised Edition of the UN cell, and 100 Wh per lithium ion requirements in § 173.185(c)(3) with a Model Regulations and Amendment 38– battery). Specifically, PHMSA proposes standard lithium battery mark for use in 16 to the IMDG Code, which authorize to amend paragraph (c) to require strong all transport modes and to remove the the transportation of prototype and low outer packagings for small lithium cells requirement in § 173.185(c)(3) for production runs of lithium batteries or batteries to be rigid and to replace the shippers to provide an alternative contained in equipment in packaging current text markings that communicate document. The lithium battery mark tested to the PG II level. The ICAO TI the presence of lithium batteries and the communicates key information (i.e., the authorizes the transportation of flammability hazard that exists if package contents and that a prototype and low production runs of damaged with a single lithium battery flammability hazard exists if damaged). lithium batteries contained in mark. Additionally, the package must be The mark utilizes recognizable symbols equipment in packaging tested to the PG of adequate size that the lithium battery that permit transport workers and I level. PHMSA proposes to continue to mark can be displayed on one side of emergency responders to quickly require prototype and low production the package without folding. PHMSA ascertain the package contents and take batteries to be placed in packaging also proposes to require the lithium appropriate action. A single mark that is tested to the PG I performance level. battery mark to appear on packages understood and accepted for all PHMSA believes that the higher containing lithium cells or batteries, or transport modes will increase the integrity packaging provides an

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additional layer of protection for cells machinery. The UN Model Regulations a reference to the proposed new and batteries not otherwise subjected to adopted amendments to the existing UN § 176.906 containing requirements for the UN design tests. 3166 engine and vehicle entries during shipments of engines or machinery Consistent with changes to the UN the last biennium. These changes are offered for transportation by vessel; Model Regulations, the IMDG Code, and continuations of efforts undertaken by amending paragraph (d) to authorize the the ICAO Technical Instructions, the UN Sub-Committee to ensure transportation of securely installed PHMSA proposes to add new paragraph appropriate hazard communication is prototype or low production run lithium (e)(7) to require shipments of low provided for engines containing large batteries in engines and machinery by production runs and prototype lithium quantities of fuels. modes of transportation other than air; batteries to note conformance with the The 17th Edition of the UN Model and adding paragraph (h)(3) to include requirements of § 173.185(e) on Regulations added special provision references to existing and proposed shipping papers. 363, which required varying levels of exceptions for vehicles, engines, and Additionally, PHMSA proposes hazard communication depending on machinery in §§ 176.905 and 176.906. amendments to § 173.185(f)(4) to the type and quantity of fuel present, in ICAO adopted a provision that harmonize with a requirement in the attempts to ensure the hazards requires battery powered vehicles that 19th Revised Edition of the UN Model associated with engines containing large could be handled in other than an Regulations that the ‘‘Damaged/ quantities of fuel were sufficiently upright position to be placed into a defective lithium ion battery’’ and/or communicated. PHMSA did not adopt strong rigid outer package. ICAO ‘‘Damaged/defective lithium metal the provisions found in special adopted this provision to ensure that battery’’ marking as appropriate be in provision 363 at the time they were small vehicles, particularly those characters at least 12 mm (.47 inch) introduced. powered by lithium batteries are high. As previously discussed in the review adequately protected from damage of the new proposed HMT entries, the during transport. PHMSA proposes to Section 173.217 existing UN 3166 identification number amend paragraphs (c) and (d) consistent Section 173.217 establishes packaging was maintained for the various vehicle with this requirement. While this requirements for dry ice (carbon entries in the Model Regulations, and international requirement is specific to dioxide, solid). Paragraph (c) prescribes three new UN identification numbers air transport, we believe there is benefit additional packaging requirements for and proper shipping names were to applying this requirement for air transport. Consistent with the ICAO created for engines or machinery transportation by all transport modes. Technical Instructions, in this NPRM, internal combustion and were assigned PHMSA proposes to remove the term a hazard classification based on the type Section 173.221 ‘‘other type of pallet’’ in paragraph (c)(3) of fuel used. The three new UN numbers Section 173.221 prescribes the that excepts dry ice being used as a and proper shipping names are as packaging requirements for Polymeric refrigerant for other non-hazardous follows: A Class 3 entry ‘‘UN 3528, beads (or granules), expandable, materials from the quantity limits per Engine, internal combustion engine, evolving flammable vapor. PHMSA package shown in columns (9A) and flammable liquid powered, or Engine proposes to add a procedure for (9B) of the § 172.101 HMT. fuel cell, flammable liquid powered, or declassification of polymeric beads, A working paper submitted to the Machinery, internal combustion, expandable. This exception is proposed October 2014 ICAO Dangerous Goods flammable liquid powered, or to differentiate between polymeric Panel meeting noted that the term Machinery, fuel cell, flammable liquid beads made of materials that may ‘‘other type of pallet’’ was used in powered’’; a Division 2.1 entry ‘‘UN present a risk for formation of a conjunction in various parts of the ICAO 3529, Engine, internal combustion flammable atmosphere in a package and Technical Instructions with the terms engine, flammable gas powered, or those that do not. When it can be ‘‘package,’’ ‘‘overpack,’’ or ‘‘unit load Engine fuel cell, flammable gas demonstrated that no flammable vapor, device,’’ which were all defined in the powered, or Machinery, internal resulting in a flammable atmosphere, is ICAO Technical Instructions. The ICAO combustion, flammable gas powered, or evolved by utilizing test U1—the test Technical Instructions do not have a Machinery, fuel cell, flammable gas method for substances liable to evolve specific definition for ‘‘other type of powered’’; and a Class 9 entry ‘‘UN flammable vapors—of part III, sub- pallet,’’ as the term is understood to 3530, Engine, internal combustion, or section 38.4.4 of the UN Manual of Tests represent devices that are widely used Machinery, internal combustion.’’ and Criteria, polymeric beads, in transport, such as wooden skids or Consistent with the UN Model expandable need not be classed as Class pallets that allow the use of a forklift for Regulations, PHMSA proposes to add to 9 (UN 2211). ease of moving packages around and to the HMR the new UN identification Section 173.225 prevent damage to the contents of the numbers and proper shipping names for skid or pallet. The definition for engines and machinery. PHMSA Section 173.225 prescribes packaging ‘‘overpack’’ already addresses the intent proposes to maintain the existing requirements and other provisions for of the term ‘‘other type of pallet,’’ so it transportation requirements and organic peroxides. Consistent with the was agreed that the term ‘‘other type of exceptions for engines and machinery UN Model Regulations, PHMSA pallet’’ was redundant and that found in § 173.220 for all modes of proposes to revise the Organic Peroxide references to it would be removed. transportation other than vessel. To Table in paragraph (c) by amending the harmonize as closely as possible with entries for: ‘‘Dibenzoyl peroxide,’’ ‘‘tert- Section 173.220 Amendment 38–16 of the IMDG Code, Butyl cumyl peroxide,’’ ‘‘Dicetyl Section 173.220 prescribes PHMSA proposes the following peroxydicarbonate,’’ and ‘‘tert-Butyl transportation requirements and amendments to § 173.220: Amending peroxy-3,5,5-trimethylhexanoate.’’ We exceptions for internal combustion paragraph (b)(1) to include a reference propose to revise the Organic Peroxide engines, vehicles, machinery containing to engines powered by fuels that are IBC Table in paragraph (e) to maintain internal combustion engines, battery- marine pollutants but do not meet the alignment with the UN Model powered equipment or machinery, and criteria of any other Class or Division; Regulations by adding new entries for fuel cell-powered equipment or amending paragraph (b)(4)(ii) to include ‘‘tert-Butyl cumyl peroxide’’ and

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‘‘1,1,3,3-Tetramethylbutyl peroxy-2- UN cylinder filled with a liquefied gas reference to § 173.304b, which specifies ethylhexanoate, not more than 67%, in is charged with a compressed gas. We additional requirements for liquefied diluent type A’’ and adding a type are not proposing similar filling limits compressed gases in UN pressure 31HA1 IBC authorization to the existing for DOT specification cylinders filled receptacles. In another proposed entry for ‘‘Di-(2-ethylhexyl) with a liquefied gas and charged with a amendment in this NPRM, PHMSA peroxydicarbonate, not more than 62%, compressed gas, as we feel the situation proposes to amend § 173.304b stable dispersion, in water.’’ We are is adequately addressed by the specifically by adding a new paragraph republishing the complete Organic requirements found in § 173.301(a)(8). (b)(5) to include these filling and test Peroxide and Organic Peroxide IBC Section 173.310 pressure requirements consistent with tables to ensure the proposed revisions the UN Recommendations. are correctly inserted and adding the Section 173.310 provides the missing ‘‘UN’’ code to several transport conditions for certain Part 175 identification numbers assigned to specially designed radiation detectors Section 175.10 existing entries in the Organic Peroxide containing a Division 2.2 (Non- Table. flammable) gas. The 19th Revised Section 175.10 specifies the Edition of the UN Model Regulations conditions for which passengers, crew Section 173.301b added a new special provision 378 members, or an operator may carry Section 173.301b contains additional applicable to radiation detectors hazardous materials aboard an aircraft. general requirements for shipment of containing certain Division 2.2 gases. Paragraph (a)(7) permits the carriage of UN pressure receptacles. PHMSA Special provision 378 outlines medical or clinical mercury proposes to amend paragraph (a)(2) to conditions for the use of a non- thermometers, when carried in a include the most recent ISO standard for specification pressure receptacle and protective case in carry-on or checked UN pressure receptacles and valve strong outer packaging requirements. As baggage. Consistent with revisions to the materials for non-metallic materials in § 173.310 currently prescribes similar ICAO Technical Instructions, in this ISO 11114–2:2013. Additionally, we transport conditions for radiation NPRM, PHMSA proposes to revise propose to amend paragraph (c)(1) to detectors containing Division 2.2 gases, paragraph (a)(7) by limiting include the most recent ISO standard on we are not proposing to add a new thermometers containing mercury to cylinder valves ISO 10297:2014. This special provision. checked baggage only. This revision was paragraph also contains end dates for Consistent with special provision 378 based on a proposal submitted to the when the manufacture of cylinders and of the UN Model Regulations, PHMSA ICAO DGP/25 meeting that highlighted service equipment is no longer proposes the following revisions to the two incidents involving leakage of authorized in accordance with the transport conditions in § 173.310: [1] In mercury from thermometers carried in the section header, clarify that Division outdated ISO standard. Finally, we the cabin and addressed the cost and 2.2 gases must be in non-refillable propose to amend § 173.301b(g) to difficult process of cleaning a spill. The cylinders; [2] in (b), increase the amend a reference to marking proposal noted that digital maximum design pressure from 4.83 requirements for composite cylinders thermometers had become widely MPa (700 psig) to 5.00 MPa (725 psig) used for underwater applications. The available, and as such, there was no and increase the capacity from 355 fluid current reference to the ‘‘UW’’ marking longer a need to allow mercury ounces (641 cubic inches) to 405 fluid in § 173.301b(g) direct readers to thermometers in the cabin or cockpit. ounces (731 cubic inches); [3] in new § 178.71(o)(17). The correct reference for The Panel discussed whether mercury paragraph (d), require specific the ‘‘UW marking is § 178.71(q)(18). We thermometers should also be banned emergency response information to propose to make this editorial change in from checked baggage but agreed to accompany each shipment and be this NPRM. retain the provision for checked baggage available from the associated emergency on the basis that there were parts of the Section 173.303 response telephone number; [4] in new world where their use was more Section 173.303 prescribes paragraph (e), require that transport in prevalent. requirements for charging of cylinders accordance with this section be noted with compressed gas in solution on the shipping paper; and [5] in new Section 175.25 (acetylene). PHMSA proposes to amend paragraph (f), except radiation detectors, paragraph (f)(1) to require UN cylinders including detectors in radiation Section 175.25 prescribes the for acetylene use to comply with the detection systems, containing less than notification that operators must provide current ISO standard ISO 3807:2013. 1.69 fluid ounces (50 ml) capacity, from to passengers regarding restrictions on This paragraph also contains end dates the requirements of the subchapter if the types of hazardous material they for when the manufacture of cylinders they conform to (a) through (d) of this may or may not carry aboard an aircraft and service equipment is no longer section. on their person or in checked or carry- authorized in accordance with the on baggage. Passenger notification of Section 173.335 outdated ISO standard. hazardous materials restrictions Section 173.335 contains addresses the potential risks that Section 173.304b requirements for cylinders filled with passengers can introduce on board Section 173.304b prescribes filling chemicals under pressure. The 19th aircraft. PHMSA’s predecessor, the requirements for liquefied gases in UN Revised Edition of the UN Materials Transportation Bureau, pressure receptacles. The UN Model Recommendations includes new introduced passenger notification Regulations amended packing instructions in P200 and P206 on how requirements in 1980 [Docket No. HM– instruction P200 by adding to calculate the filling ratio and test 166B; 45 FR 13087]. Although this requirements for liquefied gases charged pressure when a liquid phase of a fluid section had been previously amended to with compressed gases. In this NPRM, is charged with a compressed gas. account for ticket purchase or check-in PHMSA proposes to amend § 173.304b PHMSA proposes to revise the via the Internet, new technological specifically by adding a new paragraph requirements of § 173.335 for chemical innovations have continued to outpace (b)(5) to include filling limits when a under pressure n.o.s. to include a these provisions. Notwithstanding the

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several rounds of revisions, the rule notification requirements of part solid, pyrophoric’’; ‘‘UN 3392, remains unduly prescriptive. 7;4.1.1.1 of the ICAO Technical Organometallic substance, liquid, The 2017–2018 ICAO Technical Instructions include an exception for pyrophoric’’; ‘‘UN 3393, Organometallic Instructions has removed prescriptive consumer commodities (ID8000) to substance, solid, pyrophoric, water- requirements concerning how the allow for the average gross mass of the reactive’’; ‘‘UN 3394, Organometallic information concerning dangerous packages to be shown instead of the substance, liquid, pyrophoric, water- goods that passengers are forbidden to actual gross mass of each individual reactive’’; ‘‘UN 3395, Organometallic transport are required to be conveyed to package. This exception is limited to substance, solid, water-reactive’’; ‘‘UN passengers by removing references to consumer commodities offered to the 3396, Organometallic substance, solid, ‘‘prominently displayed’’ and ‘‘in operator by the shipper in a unit load water-reactive, flammable’’; ‘‘UN 3397, sufficient numbers.’’ Additional ICAO device (ULD). Consistent with the ICAO Organometallic substance, solid, water- Technical Instructions changes include Technical Instructions packing reactive, self-heating’’; ‘‘UN 3398, removal of prescriptive requirements instruction applicable to consumer Organometallic substance, liquid, water- that the information be in ‘‘text or commodities (PI Y963), which permits reactive’’; ‘‘UN 3399, Organometallic pictorial form’’ when checking in the shipper to show on the shipping substance, liquid, water-reactive, remotely, or ‘‘pictorial form’’ when not paper either the actual gross mass of flammable’’; and ‘‘UN 3400, checking in remotely. ICAO’s decision each package or the average gross mass Organometallic substance, solid, self- to move to a performance-based of all packages in the consignment, the heating.’’ requirement will account for changes in notification to the pilot-in-command Section 176.84 technology as well as the unique requirement for consumer commodities characteristics of some air carrier was revised to remove the exception Section 176.84 prescribes the operations. ICAO noted that these applicability to ULDs only. This meanings and requirements for provisions lagged behind the latest exception did not previously exist numbered or alpha-numeric stowage technology and could sometimes hinder under the HMR. In this NPRM, PHMSA provisions for vessel shipments listed in the effectiveness and efficiency of proposes to revise § 175.33(a)(3) by column (10B) of the § 172.101 HMT. notifying passengers about hazardous adding the text ‘‘For consumer The provisions in § 176.84 are broken materials. To account for the utilization commodities, the information provided down into general stowage provisions, of different technologies as well as air may be either the gross mass of each which are defined in the ‘‘table of provisions’’ in paragraph (b), and the carrier specific differences in operating package or the average gross mass of the stowage provisions applicable to vessel or business practices, ICAO adopted packages as shown on the shipping shipments of Class 1 explosives, which changes that require air carriers to paper.’’ This revision would align the are defined in the table to paragraph describe their procedures for informing consumer commodity notification of the (c)(2). PHMSA proposes to create a new passengers about dangerous goods in pilot-in-command requirements in the stowage provision 149 and assign it to their operations manual and/or other HMR with the ICAO Technical the new UN 3528 engines or machinery appropriate manuals. Instructions. PHMSA agrees with this approach powered by internal combustion engine and proposes to harmonize with the Section 175.900 flammable liquid entry. This new amendments made to the ICAO Section 175.900 prescribes the stowage provision will require engines Technical Instructions part 7; 5.1. handling requirements for air carriers or machinery containing fuels with a Harmonization is appropriate not only flash point equal or greater than 23 °C that transport dry ice. Consistent with ° to account for evolving technologies or the ICAO Technical Instructions, (73.4 F) to be stowed in accordance air carrier specific conditions, but also PHMSA proposes to remove the term with the stowage requirements of because we believe that this amendment ‘‘other type of pallet’’ with regard to stowage Category A. Engines and will result in a more effective machinery containing fuels with a flash packages containing dry ice prepared by ° ° notification to passengers. a single shipper. See ‘‘Section 173.217’’ point less than 23 C (73.4 F) are Under the proposed revisions to of this rulemaking for a detailed required to comply with the § 175.25, in accordance with 14 CFR discussion of the proposed revision. requirements of stowage Category E. parts 121 and 135, air carriers operating Additionally, consistent with under 14 CFR parts 121 or 135 will need Part 176 Amendment 38–16 of the IMDG Code, PHMSA proposes to create a new to describe in an operations manual Section 176.83 and/or other appropriate manuals in stowage provision 150 to replace accordance with the applicable Section 176.83 prescribes segregation existing stowage provision 129 for ‘‘UN provisions of 14 CFR. The manual(s) requirements applicable to all cargo 3323, Radioactive material, low specific will be required to provide procedures spaces on all types of vessels and to all activity (LSA–III) non fissile or fissile and information necessary to allow cargo transport units. Paragraph (a)(4)(ii) excepted.’’ This proposed new stowage personnel to implement and maintain has several groups of hazardous provision requires that any material that their air carrier’s specific passenger materials of different classes, which is classified as UN 3323, which is either notification system. Aside from the comprise a group of substances that do uranium metal pyrophoric or thorium manual provisions, all persons engaging not react dangerously with each other metal pyrophoric, be stowed in in for hire air transportation of and that are excepted from the accordance with stowage Category D passengers will continue to be subject to segregation requirements of § 176.83. requirements. § 175.25. Consistent with changes made in Amendment 38–16 of the IMDG Code, Section 176.905 Section 175.33 PHMSA proposes to add a new group of Section 176.905 prescribes Section 175.33 establishes hazardous materials that do not react transportation requirements and requirements for shipping papers and dangerously with each other to this exceptions for vessel transportation of for the notification of the pilot-in- paragraph. The following materials are motor vehicles and mechanical command when hazardous materials are proposed for new paragraph (a)(4)(ii)(C); equipment. PHMSA proposes to revise transported by aircraft. The pilot ‘‘UN 3391, Organometallic substance, § 176.905 to update the transport

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requirements and exceptions for stowed in a hold or compartment separate categories: [1] Engines and vehicles transported by vessel. These designated by the administration of the machinery meeting one of the changes are necessary to remove country in which the vessel is registered conditions provided in (i)(1), which are references to machinery (see proposed as specially designed and approved for not subject to the requirements of § 176.906) and to maintain consistency vehicles have lithium batteries that have subchapter C of the HMR; and [2] with changes made in Amendment 38– successfully passed the tests found in engines and machinery not meeting the 16 of the IMDG Code. the UN Manual of Tests and Criteria conditions provided in (i)(1), which are The following changes are proposed (except for prototypes and low subject to the requirements found in to the transport requirements for production runs). (i)(2) that prescribe general conditions vehicles transported by vessel: [1] In Section 176.906 for transport and varying degrees of paragraph (a)(2) for flammable liquid hazard communication required for Consistent with changes made in powered vehicles, the requirement that engines and machinery based on the Amendment 38–16 of the IMDG Code, flammable liquid must not exceed 250 actual fuel contents and capacity of the L (66 gal) unless otherwise approved by PHMSA proposes the creation of a new engine or machinery. the Associate Administrator; [2] in section § 176.906 to prescribe paragraph (a)(4), the authorization to transportation requirements for engines A summary of the proposed hazard transport vehicles containing prototype and machinery. Requirements found in communication requirements for vessel or low production run batteries securely paragraphs (a)–(h) are identical to transportation of engines and machinery installed in vehicles; [3] also in existing requirements for engines and that are not empty of fuel based on fuel paragraph (a)(4), the requirement that machinery contained in § 176.905, and content and capacity are provided in damaged or defective lithium batteries their reproduction in this section is Tables 8 and 9. The additional hazard must be removed and transported in made necessary by the splitting of the communication requirements column accordance with § 173.185(f); and [4] in provisions for engines/machinery and indicates requirements that would differ paragraph (i)(1)(i), the inclusion of text vehicles. Paragraph (i) contains from existing hazard communication to ensure lithium batteries in vehicles exceptions that are divided into two requirements for engines or machinery.

TABLE 8—LIQUID FUELS CLASS 3 (UN 3528) AND CLASS 9 (UN 3530)

Additional hazard communication Contents Capacity requirements

≤60 L ...... Unlimited ...... Transport Document. >60 L ...... Not more than 450 L ...... Label, Transport Document. >60 L ...... More than 450 L but not more than 3000 L .... Labeled on two opposing sides, Transport Document. >60 L ...... More than 3000 L ...... Placarded on two opposing sides, Transport Document.

TABLE 9—GASEOUS FUELS DIVISION 2.1 (UN 3529)

Water capacity Additional hazard communication requirements

Not more than 450 L ...... Label, Transport Document. More than 450 L but not more than 1000 L ...... Labeled on two opposing sides, Transport Document. More than 1000 L ...... Placarded on two opposing sides, Transport Document.

Part 178 must be part of the initial design type compatibility and to add paragraph approval and must specify inspections (g)(4) to adopt the current ISO standard Section 178.71 and tests to demonstrate that cylinders relating to design, construction, and Section 178.71 prescribes manufactured accordingly remain safe testing of stainless steel cylinders with specifications for UN pressure to the end of their design life. The an Rm value of less than 1,100 MPa. receptacles. Consistent with the UN service life test program and the results Finally, we propose to revise must be approved by the competent Model Regulations, PHMSA proposes to paragraphs (q) and (r) to indicate the authority of the country of approval that amend paragraphs (d)(2), (h), (k)(2), and required markings for composite is responsible for the initial approval of (l)(1) to reflect the adoption of the latest cylinders and tubes with a limited the cylinder design. The service life of ISO standards for the design, design life of 15 years or for cylinders construction, and testing of gas a composite cylinder or tube must not be extended beyond its initial approved and tubes with a design life greater than cylinders and their associated service 15 years, or a non-limited design life. equipment. In paragraph (l)(1), we design life. These paragraphs also propose to require that composite contain proposed end dates for when Section 178.75 cylinders be designed for a design life the manufacture of cylinders and of not less than 15 years, as well as that service equipment is no longer Section 178.75 contains specifications composite cylinders and tubes with a authorized in accordance with the for Multiple-element gas containers design life longer than 15 years must not outdated ISO standard. (MEGCs). Consistent with the UN Model be filled after 15 years from the date of Additionally, consistent with the UN Regulations, PHMSA proposes to manufacture, unless the design has Model Regulations, PHMSA proposes to renumber existing paragraph (d)(3)(iv) successfully passed a service life test revise paragraph (o)(2) to adopt the as (d)(3)(v) and to add a new paragraph program. The service life test program current ISO standard relating to material (d)(3)(iv) to incorporate ISO 9809–

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4:2014 for stainless steel cylinders with or to a condition prescribed for a later provided the facility holds a valid an Rm value of less than 1,100 MPa. equivalent specification in effect at the Certificate of Authorization from a time of the repair. As discussed in the provincial pressure vessel jurisdiction Section 178.1015 ‘‘Harmonization Proposals in this for repair; the facility is registered in Section 178.1015 prescribes general NPRM’’ section, stakeholders accordance with the Transport Canada standards for the use of flexible bulk participating in the U.S.-Canada RCC TDG Regulations to repair the containers (FBCs). Consistent with identified this requirement as being corresponding TC specification; and all changes to the UN Model Regulations, burdensome to United States carriers repairs are performed using the quality PHMSA proposes to revise paragraph (f) who also operate in Canada. In control procedures used to obtain the to require that FBCs be fitted with a vent accordance with the Transport Canada Certificate of Authorization. that is designed to prevent the ingress TDG Regulations, a facility in Canada PHMSA also proposes an incidental of water in situations where a dangerous can perform a repair on a specification revision to § 180.413(b) to except accumulation of gases may develop cargo tank if it holds either a valid facilities in Canada that perform a repair absent such a vent. It is our National Board Certificate of in accordance with the proposed understanding that only one particular Authorization for use of the National § 180.413(a)(1)(iii) from the requirement material authorized for transportation in Board ‘‘R’’ stamp or a valid Certificate that each repair of a cargo tank FBCs—UN3378, Sodium carbonate of Authorization from a provincial involving welding on the shell or head peroxyhydrate—is known to decompose pressure vessel jurisdiction for repair. must be certified by a Registered causing a dangerous accumulation of The latter authorization becomes Inspector. The Transport Canada TDG gas. problematic for United States carriers Regulations provide requirements for Part 180 requiring the repair of a DOT the oversight of welding repairs and do specification cargo tank while in not use the term ‘‘Registered Inspector.’’ Section 180.205 Canada. Section 180.413 currently only These proposed provisions would not Section 180.205 outlines general authorizes the repair of a DOT place any additional financial or requirements for requalification of specification cargo tank by a facility reporting burden on U.S. companies. specification cylinders. PHMSA holding a valid National Board Rather, the enhanced regulatory proposes an amendment to paragraph Certificate of Authorization for use of reciprocity between the United States (c) to require that Transport Canada the National Board ‘‘R’’ stamp. If a DOT and Canada as a result of these cylinders be requalified and marked in specification cargo tank is repaired in provisions would provide the accordance with the Transport Canada Canada at a facility holding a Certificate companies with additional flexibility TDG Regulations. This amendment is of Authorization from a provincial and cost savings due to necessary necessary to ensure that RIN holders pressure vessel jurisdiction for repair opportunities for obtaining repairs to utilize the TDG Regulations when and not a National Board Certificate of DOT specification cargo tanks in requalifying and marking Transport Authorization for use of the National Canada. Canada cylinders. Board ‘‘R’’ stamp, the DOT specification See the review of § 107.502 for the of the cargo tank is placed in jeopardy. discussion of a related proposal. Section 180.207 Based on this input from RCC Section 180.207 prescribes stakeholders, PHMSA conducted a Section 180.605 requirements for requalification of UN comparison of the HMR requirements Section 180.605 prescribes pressure receptacles. Consistent with for the repair of specification cargo requirements for the qualification of changes to the UN Model Regulations, tanks and the corresponding portable tanks. Consistent with the UN PHMSA proposes to revise paragraph requirements of the Transport Canada Model Regulations, PHMSA proposes an (d)(3) to incorporate ISO 10462:2013 TDG Regulations. PHMSA finds that the amendment to paragraph (g)(1) to concerning requalification of dissolved requirements for the repair of a require as a part of internal and external acetylene cylinders. This paragraph also specification cargo tank conducted in examination that the wall thickness includes an authorization to requalify accordance with the Transport Canada must be verified by appropriate acetylene cylinders in accordance with TDG Regulations by a facility in Canada measurement if this inspection indicates the current ISO standard until December holding a valid Certificate of a reduction of wall thickness. This 31, 2018. Authorization from a provincial proposed amendment would require the pressure vessel jurisdiction for repair Section 180.413 inspector to verify that the shell provides for at least an equivalent level thickness is equal to or greater than the Section 180.413 provides the of safety as those provided by the HMR. minimum shell thickness indicated on requirements for the repair, Further, the Transport Canada TDG the portable tanks metal plate (see modification, stretching, rebarrelling, or Regulations authorize the repair of TC § 178.274(i)(1)). mounting of specification cargo tanks. specification cargo tanks by facilities in Currently, § 180.413(a)(1) requires that the U.S. that are registered in VII. Regulatory Analyses and Notices each repair of a specification cargo tank accordance with part 107 subpart F. A. Statutory/Legal Authority for This must be performed by a repair facility Accordingly, PHMSA proposes to Rulemaking holding a valid National Board expand the authorization for the repair Certificate of Authorization for use of of DOT specification cargo tanks by This proposed rule is published under the National Board ‘‘R’’ stamp and must revising § 180.413(a)(1). Specifically, the statutory authority of Federal be made in accordance with the edition PHMSA proposes to add a new hazardous materials transportation law of the National Board Inspection Code subparagraph (iii) authorizing a repair, (49 U.S.C. 5101 et seq.). Section 5103(b) in effect at the time the work is as defined in § 180.403, of a DOT of Federal hazmat law authorizes the performed. ‘‘Repair’’ is defined in specification cargo tank used for the Secretary of Transportation to prescribe § 180.403 as any welding on a cargo transportation of hazardous materials in regulations for the safe transportation, tank wall done to return a cargo tank or the United States performed by a facility including security, of hazardous a cargo tank motor vehicle to its original in Canada in accordance with the materials in intrastate, interstate, and design and construction specification, Transport Canada TDG Regulations, foreign commerce. This proposed rule

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amends regulations to maintain of the ICAO Technical Instructions, $13,852,143 million worth of alignment with international standards which become effective January 1, 2017. commodities were transported in the by incorporating various amendments, The large volume of hazardous materials U.S. in 2012, of which $2,334,425 including changes to proper shipping transported in international commerce million worth were hazardous (or 16.9 names, hazard classes, packing groups, warrants the harmonization of domestic percent).12 special provisions, packaging and international requirements to the However, we acknowledge that the authorizations, air transport quantity greatest extent possible. estimated 16.9 percent proportion of limitations and vessel stowage total shipment values classed as B. Executive Order 12866, Executive requirements. To this end, the proposed Order 13563, and DOT Regulatory hazardous materials may have had a rule amends the HMR to more fully Policies and Procedures high-side bias due to the variety of align with the biennial updates of the different classes of products classified UN Model Regulations, the IMDG Code, This notice is not considered a as hazardous. The percentage of and the ICAO Technical Instructions. significant regulatory action under shipments properly classified as Harmonization serves to facilitate section 3(f) of Executive Order 12866 hazardous—particularly for medicinal/ international commerce, while also (‘‘Regulatory Planning and Review’’) dental/pharmaceutical products—is promoting the safety of people, and, therefore, was not reviewed by the likely lower, which for the purpose of property, and the environment by Office of Management and Budget. This this analysis we assume to be 10 reducing the potential for confusion and notice is not considered a significant percent. misunderstanding that could result if rule under the Regulatory Policies and We update our estimate of value of shippers and transporters were required Procedures of the Department of hazardous materials involved in to comply with two or more conflicting Transportation (44 FR 11034). international trade by using U.S. trade sets of regulatory requirements. While Additionally, Executive Order 13563 in goods seasonally adjusted, Census- the intent of this rulemaking is to align (‘‘Improving Regulation and Regulatory based total gross imports, and gross the HMR with international standards, Review’’) supplements and reaffirms exports in the fuels and lubricants, we review and consider each Executive Order 12866, stressing that, to chemicals, and medicinal/dental/ amendment based on its own merit, on the extent permitted by law, an agency pharmaceutical products industries for its overall impact on transportation rulemaking action must be based on 2015, which is the most recent year safety, and on the economic benefits that justify its costs, impose the available. implications associated with its least burden, consider cumulative • Gross imports: $451.8 billion adoption into the HMR. Our goal is to burdens, maximize benefits, use (rounded). harmonize internationally without performance objectives, and assess Æ Fuels and lubricants: $198.217 sacrificing the current HMR level of available alternatives. billion. safety or imposing undue burdens on Æ Benefits to Harmonization Chemicals: $73.304 billion. the regulated community. Thus, as Æ Medicinal/dental/pharmaceutical explained in the corresponding sections General Harmonization Benefit: In an products: $180.280 billion. 10 above, we are not proposing earlier regulatory evaluation, PHMSA • Gross exports: $281.6 billion harmonization with certain specific estimated a proxy for benefits of (rounded). provisions of the UN Model harmonization of the HMR with Æ Fuels and lubricants: $115.013 Regulations, the IMDG Code, and the international standards of $87.9 million. billion. ICAO Technical Instructions. Moreover, We estimated this number by Æ Chemicals: $111.492 billion. we are maintaining a number of current multiplying a hazard communication Æ Medicinal/dental/pharmaceutical exceptions for domestic transportation cost per dollar of hazardous materials products: $55.046 billion. that should minimize the compliance output ($0.001) by the value of • Gross imports plus gross exports: burden on the regulated community. hazardous materials involved in $733.4 billion.13 Additionally, the following external international trade, as estimated by the Multiplying this $733.4 billion figure agencies were consulted in the proportion of trade (the total of gross by the estimated proportion of annual development of this rule: Federal imports and gross exports) in the fuels trade in these three industries that are Aviation Administration, Federal Motor and lubricants, chemicals, and hazardous products (10 percent) by the Carrier Safety Administration, Federal medicinal/dental/pharmaceutical average hazard communication cost per Railroad Administration, U.S. Coast products industries ($879 billion in dollar of hazardous materials produced Guard. 2013) 11 that are hazardous products in the United States ($0.001) results in Section 49 U.S.C. 5120(b) of Federal (approximately 10 percent). an estimate of benefits from general hazmat law authorizes the Secretary to For estimating benefits of this harmonization of about $73.3 million ensure that, to the extent practicable, proposed rule, we follow a nearly annually, rounded. regulations governing the transportation identical approach, while If the HMR are not harmonized with of hazardous materials in commerce are acknowledging there is an inherent international standards, we estimate consistent with standards adopted by imprecision of benefits, and update the that it will cost U.S. companies an international authorities. This rule data and assumptions where possible. additional $73.3 million per year to proposes to amend the HMR to maintain Unlike in the last regulatory evaluation, comply with both the domestic and alignment with international standards 2012 Commodity Flow Survey (CFS) international standards. Harmonizing by incorporating various amendments to data on hazardous materials is now the HMR with the international facilitate the transport of hazardous available. According to the 2012 CFS, material in international commerce. To 12 http://www.rita.dot.gov/bts/sites/ this end, as discussed in detail above, 10 HM–215M: Hazardous Materials: rita.dot.gov.bts/files/publications/ PHMSA proposes to incorporate Harmonization with International Standards (RRR), commodity_flow_survey/2012/ changes into the HMR based on the 19th Final Rule, 80 FR 1075, January 8, 2015. hazardous_materials/index.html. 11 As reported in the quarterly trade data of the 13 Bureau of Economic Analysis, U.S. Department Revised Edition of the UN Model U.S. Bureau of Economic Analysis, available at: of Commerce, U.S. Trade in Goods (IDS–0008), Regulations, Amendment 38–16 to the http://www.bea.gov/international/ available at: http://www.bea.gov/international/ IMDG Code, and the 2017–2018 Edition detailed_trade_data.htm. detailed_trade_data.htm.

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standards, however, will avert these as a result of finalizing this rulemaking. receptacles impacted by the ISO codes $73.3 million in additional costs, We take a conservative approach to are included in NAICS 325120 making them the primary benefit estimating such a figure by using as a ‘‘Industrial Gas Manufacturing,’’ or attributable to this rulemaking. proxy the number of shippers, carriers, more generally in NAICS 325 ‘‘Chemical RCC Initiatives: PHMSA believes that or other offerors or transporters of Manufacturing.’’ Testers and requalifiers recognition under the HMR of Transport hazardous materials in commerce with of pressure receptacles are included in Canada cylinders, equivalency a PHMSA registration expiring before NAICS 541380 ‘‘Testing Laboratories,’’ certificates, and cargo tanks would not 2019. Currently, PHMSA’s registration or more generally in NAICS 541 result in any significant costs but would database indicates 38,070 registrants as ‘‘Professional, Scientific, and Technical instead provide benefits in flexibility to of March 18, 2016.14 Of these, 31,103 Services.’’ The more conservative, all- cylinder users, shipments of hazardous (approximately 82 percent) are small encompassing three-digit NAICS materials made under an equivalency businesses as defined by the U.S. Small industries are used to estimate impacted certificate to the U.S., and certain U.S.- Business Administration. Further, entities, as each entity may purchase based cargo tank motor vehicle 31,765 registrants (approximately 83 more than one copy of a publication. operators requiring repairs while in percent) indicated that they offer or The PHMSA registration database has Canada. We do not believe there is transport hazardous materials solely by 834 registrants in NAICS 332; 3,335 currently a basis for reliably estimating highway method. registrants in NAICS 325; and 415 quantitatively the benefits of the If we assume (for conservative registrants in NAICS 541, for a total of cylinder and equivalency certificate estimation purposes) that all registrants 4,584 impacted registrants. It costs each provisions of this proposed rule. will purchase copies of the ICAO and impacted registrant $1,853 to purchase However, we welcome and specifically IMDG publications, this indicates an the ISO standards, or $8.5 million total solicit data available to commenters to estimated cost of $19.3 million (rounded, 4,584 impacted registrants × more accurately estimate benefits (rounded, $508.70 cost of ICAO and $1,853 cost per registrant). quantitatively. With regard to all three IMDG publications × 38,070 registrants). It will cost $3.2 million to purchase RCC proposed amendments, PHMSA However, we further assume that the the ICAO and IMDG publications and believes that aligning regulatory two publications included in the $19.3 $8.5 million to purchasing the ISO approaches between Canada and the cost (ICAO Technical Instructions (for publications, giving a total one-time cost United States can spur economic growth air) and IMDG Code (by vessel)) will not of $11.7 million. We do not believe we and job creation in both nations, apply to such registrants who indicated have sufficient data to estimate the facilitate trade, and still maintain that they offer or transport in commerce precise number of registrants. However, appropriate safety standards. hazardous materials only via highway. we use one copy per impacted registrant Preliminary analysis indicates that the Therefore, costs for the 31,765 highway- as a reasonably conservative estimate on total annual benefit of the cargo tank only registrants would be zero. To costs of the proposed rulemaking. It RCC provisions proposed in this counterbalance a registrant purchasing should also be noted that several of the rulemaking would be $6,555,234 per more than one copy, we conservatively companies purchasing the international year (for the high estimate of U.S.-made assume all other registrants—while standards may serve international cargo tanks affected), $779,337 per year acknowledging that, in fact, some will markets and would have purchased (for the middle estimate), or $693,804 purchase both standards copies and these publications even in the absence per year (for the low estimate). Please some will purchase none—will of this rulemaking. Therefore, costs due see the Regulatory Impact Analysis purchase updated copies of all to this proposed rule are likely lower (RIA) for this rulemaking action for a standards publications listed here, than these estimates. Lithium Battery Hazard detailed discussion of the benefits of indicating a rounded cost of $3.2 Communication: PHMSA anticipates recognizing cargo tank repairs made in million ($508.70 × 6,305 registrants that incorporating a new battery label in Canadian facilities. [38,070 total registrants ¥ 31,765 place of the existing label and requiring Costs of Harmonization highway-only registrants]). All of the ISO standards incorporated a new lithium battery label in place of Please see the RIA for this the existing label will be cost neutral. will not be purchased by the majority of rulemaking—a copy of which has been We anticipate that the price of the new shippers and carriers and, thus, will placed in the docket—for detailed label will be similar to the price of likely only impact a small subset of the analysis of the costs of various existing labels. The proposed regulated community. Further, we amendments proposed in this NPRM. amendment provides a phase-in period assume that many companies will We provide below a summary of cost to December 2018, allowing shippers purchase multiple copies of the ISO estimates for several of the larger cost and carriers of the impacted lithium codes, rather than only one copy. proposals. battery shipments a sufficient transition Manufacturers of pressure receptacles Incorporation by Reference: PHMSA period to use the new label. anticipates that the primary cost of impacted by the ISO codes are included PHMSA anticipates that incorporating updating references incorporated in the in the North American Industry a new standard lithium battery mark HMR to the most recent international Classification System (NAICS) 332420 across all modes will provide consistent hazardous material standards will be the ‘‘Metal Tank (Heavy Gauge) hazard communication, reduce training purchase of updated copies to be Manufacturing,’’ which includes costs, and facilitate intermodal incorporated by reference. These costs cylinders, and NAICS 332911 movements. Expanding the scope of will be borne by offerors, package ‘‘Industrial Valve Manufacturing,’’ or packages requiring application of the manufacturers, and transporters of more generally in NAICS 332, new lithium battery mark for small hazardous materials if this rulemaking ‘‘Fabricated Metal Product shipments of lithium batteries will were finalized. Manufacturing.’’ Users of pressure provide benefits pertaining to better It is unknown how many individuals identification of lithium battery 14 See PHMSA Hazardous Materials Registration and firms involved in shipping Program Registration Data Files, link available at: shipments, but it will likely involve hazardous materials will purchase http://www.phmsa.dot.gov/hazmat/registration, some amount of increased compliance copies of these international standards accessed on March 18, 2016. cost. As with the proposed labeling

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revisions, PHMSA would provide a packages with a current lithium battery the ‘‘substantively the same’’ standard. phase-in period to December 2018, label (regardless if required by the This proposed rule is necessary to allowing shippers and carriers of the HMR); not all of these shippers would incorporate changes adopted in impacted lithium battery shipments a necessarily ship LBIIE with more than international standards, effective sufficient transition period to use the two packages per shipment (for which January 1, 2017. If the proposed changes new mark. shipments would be excepted from the are not adopted in the HMR, U.S. PHMSA anticipates that eliminating lithium battery marking requirements of companies—including numerous small additional document requirements for this provision); and transitioning to the entities competing in foreign markets— shipments of small lithium batteries new lithium battery mark may have would be at an economic disadvantage will likely provide economic benefits minimal impact. because of their need to comply with a and cost savings to shippers. dual system of regulations. The changes However, PHMSA anticipates the Net Benefit in this proposed rulemaking are provision increasing the number of Based on the discussions of benefits intended to avoid this result. Federal packages containing lithium batteries and costs provided above, PHMSA hazmat law provides at 49 U.S.C. installed in equipment that have to be estimates the net benefit associated with 5125(b)(2) that, if DOT issues a marked with the lithium battery mark the rulemaking to be $63.2 million–69 regulation concerning any of the will increase compliance costs. The million in the first year after publication covered subjects, DOT must determine proposals in this NPRM would apply and $70 million–75.8 million in the and publish in the Federal Register the the lithium battery mark to an expanded second year after publication. Please see effective date of Federal preemption. number of lithium batteries installed in the complete RIA for a more detailed The effective date may not be earlier equipment (LBIIE) packages. Currently analysis of the costs and benefits of this than the 90th day following the date of packages that contain ‘‘no more than proposed rule. issuance of the final rule and not later four lithium cells or two lithium than two years after the date of issuance. batteries installed in equipment’’ are not C. Executive Order 13132 PHMSA proposes the effective date of subject to marking requirements This proposed rule has been analyzed Federal preemption be 90 days from regardless of how many packages are in in accordance with the principles and publication of a final rule in this matter. a single shipment. In this NPRM, criteria contained in Executive Order PHMSA proposes to require each 13132 (‘‘Federalism’’). It preempts State, D. Executive Order 13175 package that contains lithium batteries local, and Indian tribe requirements but This proposed rule was analyzed in installed in equipment to display the does not propose any regulation that has accordance with the principles and lithium battery marking when there are substantial direct effects on the States, criteria contained in Executive Order more than two packages in the the relationship between the national 13175 (‘‘Consultation and Coordination consignment. government and the States, or the with Indian Tribal Governments’’). We assume that U.S. manufacturers of distribution of power and Because this proposed rule does not certain equipment containing lithium responsibilities among the various have tribal implications, does not batteries and wholesalers of LBIIE that levels of government. Therefore, the impose substantial direct compliance supply retailers with consignments consultation and funding requirements costs, and is required by statute, the containing more than two packages of of Executive Order 13132 do not apply. funding and consultation requirements LBIIE will be most impacted by the The Federal hazmat law, 49 U.S.C. of Executive Order 13175 do not apply. proposed provision.15 We anticipate the 5101–5128, contains an express E. Regulatory Flexibility Act, Executive provisions of this proposed change to preemption provision (49 U.S.C. Order 13272, and DOT Procedures and impact U.S.-based manufacturers, 5125(b)) that preempts State, local, and Policies wholesalers, and certain retailers of Indian tribe requirements on certain lithium batteries and equipment covered subjects, as follows: The Regulatory Flexibility Act (5 containing lithium batteries. PHMSA (1) The designation, description, and U.S.C. 601 et seq.) requires an agency to specifically solicits comment on the classification of hazardous material; review regulations to assess their impact types and numbers of entities that are to (2) The packing, repacking, handling, on small entities, unless the agency be impacted by this proposed change. labeling, marking, and placarding of determines that a rule is not expected to The total domestic manufacturer and hazardous material; have a significant impact on a wholesaler marking costs as illustrated (3) The preparation, execution, and substantial number of small entities. in the RIA in the docket for this use of shipping documents related to This proposed rule facilitates the rulemaking approximates the upper hazardous material and requirements transportation of hazardous materials in bound annual cost of the provision to be related to the number, contents, and international commerce by providing about $4.9 million ($838,456 + $7,665 + placement of those documents; consistency with international $4.0 million).16 We anticipate that the (4) The written notification, standards. It applies to offerors and cost will be substantially lower because recording, and reporting of the carriers of hazardous materials, some of many domestic manufacturers and unintentional release in transportation whom are small entities, such as shippers may already label their LBIIE of hazardous material; and chemical manufacturers, users and (5) The design, manufacture, suppliers, packaging manufacturers, 15 We assume that most retailers selling to end fabrication, inspection, marking, distributors, and training companies. As users are likely not impacted, as we assume that maintenance, recondition, repair, or previously discussed under ‘‘Executive they primarily ship single units of LBIIE for the testing of a packaging or container Order 12866,’’ the majority of majority of their consignments, which would not require marking due to the two or few packages per represented, marked, certified, or sold amendments in this proposed rule consignment exception. However, we solicit as qualified for use in transporting should result in cost savings and ease comment on whether this assumption is hazardous material in commerce. the regulatory compliance burden for appropriate and welcome data confirming or This proposed rule addresses covered shippers engaged in domestic and refuting this assumption. international commerce, including 16 Because of the 2-year transition period, these subject items (1), (2), (3), (4), and (5) costs would not be encountered until the third year above and preempts State, local, and trans-border shipments within North after finalizing the rule. Indian tribe requirements not meeting America.

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Many companies will realize and the proposed addition of new submit the revised information economic benefits as a result of these marine pollutant entries. collection and recordkeeping amendments. Additionally, the changes This rulemaking identifies revised requirements to OMB for approval. effected by this NPRM will relieve U.S. information collection requests that G. Regulation Identifier Number (RIN) companies, including small entities PHMSA will submit to OMB for competing in foreign markets, from the approval based on the requirements in A regulation identifier number (RIN) burden of complying with a dual system this NPRM. PHMSA has developed is assigned to each regulatory action of regulations. Therefore, we certify that burden estimates to reflect changes in listed in the Unified Agenda of Federal these amendments will not, if this NPRM and estimates the Regulations. The Regulatory Information promulgated, have a significant information collection and Service Center publishes the Unified economic impact on a substantial recordkeeping burdens in this rule are Agenda in April and October of each number of small entities. as follows: year. The RIN contained in the heading This proposed rule has been of this document can be used to cross- developed in accordance with Executive OMB Control Number 2137–0557 reference this action with the Unified Order 13272 (‘‘Proper Consideration of Annual Increase in Number of Agenda. Small Entities in Agency Rulemaking’’) Respondents: 3,600. H. Unfunded Mandates Reform Act of and DOT’s procedures and policies to Annual Increase in Annual Number of promote compliance with the Responses: 3,600. 1995 Regulatory Flexibility Act to ensure that Annual Increase in Annual Burden This proposed rule does not impose potential impacts of draft rules on small Hours: 1,800. unfunded mandates under the entities are properly considered. Annual Increase in Annual Burden Unfunded Mandates Reform Act of Costs: $63,000. 1995. It does not result in costs of F. Paperwork Reduction Act $141.3 million or more, adjusted for OMB Control Number 2137–0034 PHMSA currently has approved inflation, to either State, local, or tribal information collections under Office of Annual Decrease in Number of governments, in the aggregate, or to the Management and Budget (OMB) Control Respondents: 972,551. private sector in any one year, and is the Number 2137–0557, ‘‘Approvals for Annual Decrease in Annual Number least burdensome alternative that Hazardous Materials,’’ and OMB Control of Responses: 9,765,507. achieves the objective of the rule. Number 2137–0034, ‘‘Hazardous Annual Decrease in Annual Burden Materials Shipping Papers & Emergency Hours: 27,161. I. Environmental Assessment Response Information.’’ We anticipate Annual Decrease in Annual Burden The National Environmental Policy that this proposed rule will result in an Costs: $950,635. Act of 1969, 42 U.S.C. 4321–4375, increase in the annual burden for OMB Under the Paperwork Reduction Act requires that Federal agencies analyze Control Number 2137–0034 due to an of 1995, no person is required to proposed actions to determine whether increase in the number of applications respond to an information collection the action will have a significant impact for modifications to existing holders of unless it has been approved by OMB on the human environment. The DOT-issued RINs. In this NPRM, and displays a valid OMB control Council on Environmental Quality PHMSA proposes to amend number. Section 1320.8(d) of 5 CFR (CEQ) regulations that implement NEPA § 107.805(f)(2) to allow RIN holders to requires that PHMSA provide interested (40 CFR parts 1500 through 1508) submit an application containing all the members of the public and affected require Federal agencies to conduct an required information prescribed in agencies an opportunity to comment on environmental review considering (1) § 107.705(a); identifying the TC, CTC, information and recordkeeping requests. the need for the proposed action, (2) CRC, or BTC specification cylinder(s) or PHMSA specifically solicits comment alternatives to the proposed action, (3) tube(s) to be inspected; certifying the on the information collection and probable environmental impacts of the requalifier will operate in compliance recordkeeping burdens associated with proposed action and alternatives, and with the applicable TDG Regulations; developing, implementing, and (4) the agencies and persons consulted and certifying the persons performing maintaining these proposed during the consideration process. requalification have been trained and requirements. Address written have the information contained in the comments to the Dockets Unit as 1. Purpose and Need TDG Regulations. This application identified in the ADDRESSES section of This NPRM would amend the would be in addition to any existing this rulemaking. We must receive Hazardous Materials Regulations (HMR; application and burden encountered comments regarding information 49 CFR parts 171 through 180) to during the initial RIN application. collection burdens prior to the close of maintain consistency with international We anticipate this proposed rule will the comment period as identified in the standards by incorporating the 19th result in a decrease in the annual DATES section of this rulemaking. In Revised Edition of the UN burden and costs of OMB Control addition, you may submit comments Recommendations on the Transport of Number 2137–0034. This burden and specifically related to the information Dangerous Goods—Model Regulations, cost decrease is primarily attributable to collection burden to the PHMSA Desk Amendment 38–16 to the IMDG Code, the proposed removal of the alternative Officer, Office of Management and the 2017–2018 ICAO Technical document currently required for lithium Budget, at fax number 202–395–6974. Instructions, and Canada’s newest cells or batteries offered in accordance Requests for a copy of this information amendments to TDG Regulations. with § 173.185(c). Additional increased collection should be directed to Steven This action is necessary to incorporate burdens and costs to OMB Control Andrews or T. Glenn Foster, Standards changes adopted in the IMDG Code, the Number 2137–0034 in this proposed and Rulemaking Division (PHH–10), ICAO Technical Instructions, and the rule are attributable to a new proposed Pipeline and Hazardous Materials Safety UN Model Regulations, effective January indication on shipping papers that a Administration, 1200 New Jersey 1, 2017. If the changes in this proposed shipment of prototype or low Avenue SE., Washington, DC 20590– rule are not adopted in the HMR by this production run lithium batteries or cells 0001. If these proposed requirements are effective date, U.S. companies— is in accordance with § 173.185(e)(7) adopted in a final rule, PHMSA will including numerous small entities

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competing in foreign markets—would sections of this NPRM. However, they adopting the proposed environmental be at an economic disadvantage because generally include: and safety requirements in the NPRM of their need to comply with a dual (1) Updates to references to various under the No Action Alternative would system of regulations. The changes in international hazardous materials result in a lost opportunity for reducing this proposed rulemaking are intended transport standards; environmental and safety-related to avoid this result. (2) Amendments to the Hazardous incidents. The intended effect of this action is to Materials Table to include four new Greenhouse gas emissions would harmonize the HMR with international Division 4.1 entries for polymerizing remain the same under the No Action transport standards and requirements to substances and to add into the HMR Alternative. the extent practicable in accordance defining criteria, authorized packagings, Preferred Alternative with Federal hazmat law (see 49 U.S.C. and safety requirements; If PHMSA selects the provisions as 5120). When considering the adoption (3) Amendments to add, revise, or proposed in this NPRM, safety and of international standards under the remove certain proper shipping names, environmental risks would be reduced HMR, PHMSA reviews and evaluates packing groups, special provisions, and that protections to human health each amendment on its own merit, on packaging authorizations, bulk and environmental resources would be its overall impact on transportation packaging requirements, and vessel increased. Potential environmental safety, and on the economic stowage requirements; impacts of each proposed amendment in implications associated with its (4) Changes to add the following the preferred alternative are discussed adoption. Our goal is to harmonize substances to the list of marine pollutants in appendix B to § 172.101: as follows: internationally without diminishing the 1. Incorporation by Reference: Hexanes; Hypochlorite solutions; level of safety currently provided by the PHMSA proposes to update references Isoprene, stabilized; N-Methylaniline; HMR or imposing undue burdens on the to various international hazardous Methylcyclohexane; and Tripropylene; regulated public. PHMSA has provided materials transport standards including (5) Changes throughout the part 173 a brief summary of each revision, the the 2017–2018 ICAO Technical packaging requirements to authorize justification for the revision, and a Instructions; Amendment 38–16 to the more flexibility when choosing preliminary estimate of economic IMDG Code; the 19th Revised Edition of packages for hazardous materials; impact. the UN Model Regulations; the 6th (6) Various amendments to packaging Revised Edition of the UN Manual of 2. Alternatives requirements for the vessel Tests and Criteria; and the latest In proposing this rulemaking, PHMSA transportation of water-reactive amendments to the Canadian TDG is considering the following substances; Regulations. Additionally, we propose alternatives: (7) Revisions to hazard to add one new reference to standards communication requirements for No Action Alternative and update eight other references to shipments of lithium batteries standards applicable to the manufacture If PHMSA were to select the No consistent with changes adopted in the use and requalification of pressure Action Alternative, current regulations 19th Revised Edition of the UN Model vessels published by the International would remain in place and no new Regulations; and Organization for Standardization. provisions would be added. However, (8) Amendments to the HMR resulting This proposed amendment, which efficiencies gained through from coordination with Canada under will increase standardization and harmonization in updates to transport the U.S.-Canada Regulatory Cooperation consistency of regulations, will result in standards, lists of regulated substances, Council (RCC). greater protection of human health and definitions, packagings, stowage 3. Probable Environmental Impact of the the environment. Consistency between requirements/codes, flexibilities Alternatives U.S. and international regulations allowed, enhanced markings, enhances the safety and environmental No Action Alternative segregation requirements, etc., would protection of international hazardous not be realized. Foregone efficiencies in If PHMSA were to select the No materials transportation through better the No Action Alternative include Action Alternative, current regulations understanding of the regulations, an freeing up limited resources to would remain in place and no new increased level of industry compliance, concentrate on vessel transport hazard provisions would be added. However, the smooth flow of hazardous materials communication (hazcom) issues of efficiencies gained through from their points of origin to their potentially much greater environmental harmonization in updates to transport points of destination, and consistent impact. Adopting the No Action standards, lists of regulated substances, emergency response in the event of a Alternative would result in a lost definitions, packagings, stowage hazardous materials incident. The HMR opportunity for reducing environmental requirements/codes, flexibilities authorize shipments prepared in and safety-related incidents. allowed, enhanced markings, accordance with the ICAO Technical Greenhouse gas emissions would segregation requirements, etc., would Instructions and by motor vehicle either remain the same under the No Action not be realized. Foregone efficiencies in before or after being transported by Alternative. the No Action Alternative include aircraft. Similarly, the HMR authorize freeing up limited resources to Preferred Alternative shipments prepared in accordance with concentrate on vessel transport hazcom the IMDG Code if all or part of the This alternative is the current issues of potentially much greater transportation is by vessel. The proposal as it appears in this NPRM, environmental impact. authorizations to use the ICAO applying to transport of hazardous Additionally, the Preferred Technical Instructions and the IMDG materials by various transport modes Alternative encompasses enhanced and Code are subject to certain conditions (highway, rail, vessel, and aircraft). The clarified regulatory requirements, which and limitations outlined in part 171 proposed amendments included in this would result in increased compliance subpart C. alternative are more fully addressed in and a decreased number of Harmonization will result in more the preamble and regulatory text environmental and safety incidents. Not targeted and effective training and

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thereby enhanced environmental conventions across modes and protection of international hazardous protection. This proposed amendment international borders. materials transportation through better will eliminate inconsistent hazardous Harmonization will result in more understanding of the regulations, an materials regulations, which hamper targeted and effective training and increased level of industry compliance, compliance training efforts. For ease of thereby enhanced environmental the smooth flow of hazardous materials compliance with appropriate protection. This proposed amendment from their points of origin to their regulations, air and vessel carriers will eliminate inconsistent hazardous points of destination, and consistent engaged in the transportation of materials regulations, which hamper emergency response in the event of a hazardous materials generally elect to compliance training efforts. For ease of hazardous materials incident. New and comply with the ICAO Technical compliance with appropriate revised entries to the HMT reflect Instructions and IMDG Code as regulations, international carriers emerging technologies and a need to appropriate. Consistency between these engaged in the transportation of better describe or differentiate between international regulations and the HMR hazardous materials by vessel generally existing entries. These proposed allows shippers and carriers to train elect to comply with the IMDG Code. changes mirror changes in the their hazmat employees in a single set Consistency between these international Dangerous Goods List of the 19th of requirements for classification, regulations and the HMR allows Revised Edition of the UN Model packaging, hazard communication, shippers and carriers to train their Regulations, the 2017–2018 ICAO handling, stowage, etc., thereby hazmat employees in a single set of Technical Instructions, and the minimizing the possibility of requirements for classification, Amendment 38–16 to the IMDG Code. It improperly preparing and transporting a packaging, hazard communication, is extremely important for the domestic shipment of hazardous materials handling, stowage, etc., thereby HMR to mirror these international because of differences between domestic minimizing the possibility of standards regarding the entries in the and international regulations. improperly preparing and transporting a HMT to allow for consistent naming Greenhouse gas emissions would shipment of hazardous materials conventions across modes and remain the same under this proposed because of differences between domestic international borders. amendment. and international regulations. Harmonization will result in more Inclusion of entries in the HMT targeted and effective training and 2. Consistent with amendments reflects a degree of danger associated thereby enhanced environmental adopted into the UN Model Regulations, with a particular material and identifies protection. This proposed amendment PHMSA proposes to revise the appropriate packaging. This proposed will eliminate inconsistent hazardous Hazardous Materials Table in § 172.101 change provides a level of consistency materials regulations, which hamper to include four new Division 4.1 entries for all articles specifically listed in the compliance training efforts. For ease of for polymerizing substances. HMT, without diminishing compliance with appropriate Additionally, we propose to add into the environmental protection and safety. regulations, international carriers HMR defining criteria, authorized Greenhouse gas emissions would engaged in the transportation of packagings, and safety requirements remain the same under this proposed hazardous materials by vessel generally including, but not limited to, amendment. elect to comply with the IMDG Code. stabilization methods and operational 3. PHMSA proposes amendments to Consistency between these international controls. the HMT to add, revise, or remove regulations and the HMR allows This proposed amendment, which certain proper shipping names, packing shippers and carriers to train their will increase standardization and groups, special provisions, packaging hazmat employees in a single set of consistency of regulations, will result in authorizations, bulk packaging requirements for classification, greater protection of human health and requirements, and vessel stowage packaging, hazard communication, the environment. Consistency between requirements. Amendments to HMT handling, stowage, etc., thereby U.S. and international regulations proper shipping names include: minimizing the possibility of enhances the safety and environmental Assigning the existing ‘‘Engines, internal improperly preparing and transporting a protection of international hazardous combustion’’ entries to their own new shipment of hazardous materials materials transportation through better UN numbers and provisions; amending because of differences between domestic understanding of the regulations, an existing ‘‘Uranium Hexafluoride’’ and international regulations. increased level of industry compliance, entries to include a new Division 6.1 Inclusion of entries in the HMT the smooth flow of hazardous materials subsidiary hazard class designation; reflects a degree of danger associated from their points of origin to their adding a new entry for ‘‘Polyester resin with a particular material and identifies points of destination, and consistent kit, solid base material; and adding a appropriate packaging. This proposed emergency response in the event of a Division 1.4C new entry for ‘‘Rocket change provides a level of consistency hazardous materials incident. New and motors.’’ Additionally, we also propose for all articles specifically listed in the revised entries to the HMT reflect to add and revise special provisions, HMT, without diminishing emerging technologies and a need to large packaging authorizations, and environmental protection and safety. better describe or differentiate between intermediate bulk container (IBC) Greenhouse gas emissions would existing entries. These proposed authorizations consistent with the UN remain the same under this proposed changes mirror changes in the Model Regulations to provide a wider amendment. Dangerous Goods List of the 19th range of packaging options to shippers 4. PHMSA proposes to add the Revised Edition of the UN Model of hazardous materials. following substances to the list of Regulations, the 2017–2018 ICAO This proposed amendment, which marine pollutants in appendix B to Technical Instructions, and the will increase standardization and § 172.101: Hexanes; Hypochlorite Amendment 38–16 to the IMDG Code. It consistency of regulations, will result in solutions; Isoprene, stabilized; N- is extremely important for the domestic greater protection of human health and Methylaniline; Methylcyclohexane; and HMR to mirror these international the environment. Consistency between Tripropylene. standards regarding the entries in the U.S. and international regulations This proposed amendment, which HMT to allow for consistent naming enhances the safety and environmental will increase standardization and

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consistency of regulations, will result in carriers to train their hazmat employees regulations and the HMR allows greater protection of human health and in a single set of requirements for shippers and carriers to train their the environment. Consistency between classification, packaging, hazard hazmat employees in a single set of U.S. and international regulations communication, handling, stowage, etc., requirements for classification, enhances the safety and environmental thereby minimizing the possibility of packaging, hazard communication, protection of international hazardous improperly preparing and transporting a handling, stowage, etc., thereby materials transportation through better shipment of hazardous materials minimizing the possibility of understanding of the regulations, an because of differences between domestic improperly preparing and transporting a increased level of industry compliance, and international regulations. shipment of hazardous materials the smooth flow of hazardous materials Greenhouse gas emissions would because of differences between domestic from their points of origin to their remain the same under this proposed and international regulations. points of destination, and consistent amendment. Greenhouse gas emissions would emergency response in the event of a 6. PHMSA proposes various remain the same under this proposed hazardous materials incident. These amendments to packaging requirements amendment. proposed additions and deletions are for the vessel transportation of water- 7. PHMSA proposes to revise hazard based on the criteria contained in the reactive substances. The amendments communication requirements for IMDG Code for substances classified as include changes to the packaging shipments of lithium batteries. toxic to the aquatic environment. The requirements to require certain Specifically, PHMSA proposes to adopt HMR maintain a list as the basis for commodities to have hermetically a new lithium battery label in place of regulating substances toxic to the sealed packaging and to require other the existing Class 9 label; to amend the aquatic environment and allow use of commodities—when packed in flexible, existing marking requirements for small the criteria in the IMDG Code if a listed fiberboard, or wooden packagings—to lithium battery shipments in material does not meet the criteria for a have sift-proof and water-resistant § 173.185(c) to incorporate a new marine pollutant. PHMSA periodically packaging or packaging fitted with a standard lithium battery mark for use updates its list based on changes to the sift-proof and water-resistant liner. across all modes; to delete the IMDG Code and evaluation of listed The proposed amendment will reduce documentation requirement in materials against the IMDG Code the risk of fire on board cargo vessels § 173.185(c) for shipments of small criteria. Amending the marine pollutant carrying hazardous materials that can lithium cells and batteries; and to list will facilitate consistent react dangerously with the ship’s amend the exception for small lithium communication of the presence of available water and carbon dioxide fire cells and batteries requiring the lithium marine pollutants and facilitate safe and extinguishing systems. PHMSA battery mark from the current efficient transportation without proposes to amend the packaging applicability of ‘‘no more than four imposing significant burden associated requirements for vessel transportation of lithium cells or two lithium batteries with characterizing mixtures as marine hazardous materials that react with installed in the equipment’’ to ‘‘no more pollutants. water or moisture to generate excessive than four lithium cells or two lithium Greenhouse gas emissions would heat or release toxic or flammable gases. batteries installed in equipment, where remain the same under this proposed Common causes for water entering into there are not more than two packages in amendment. the container are: Water entering the consignment.’’ 5. Consistent with amendments through ventilation or structural flaws This proposed amendment, which adopted into the UN Model Regulations, in the container; water entering into the will provide for enhanced hazard PHMSA proposes to adopt changes containers placed on deck or in the hold communication, will result in greater throughout the part 173 packaging in heavy seas; and water entering into protection of human health and the requirements to authorize more the cargo space upon a ship collision or environment by increasing awareness flexibility when choosing packages for leak. If water has already entered the and preparedness. hazardous materials. These changes container, the packaging is the only Greenhouse gas emissions would include design, construction, and protection from the fire. In this NPRM, remain the same under this proposed performance testing criteria of PHMSA proposes to strengthen the amendment. composite reinforced tubes between 450 ability of these packages transporting 8. PHMSA proposes several L and 3,000 L water capacity. water-reactive substances. This amendments to the HMR resulting from These proposed amendments permit proposed amendment will allow for a coordination with Canada under the additional flexibility for authorized net increase in environmental U.S.-Canada Regulatory Cooperation packages without compromising protection and safety by keeping Council (RCC). We are proposing environmental protection or safety. reactive substances in their packages, provisions for recognition of Transport Manufacturing and performance thus preventing release and damage to Canada (TC) cylinders, equivalency standards for gas pressure receptacles human health and the natural certificates, and inspection and repair of strengthen the packaging without being environment. cargo tanks. overly prescriptive. Increased flexibility Harmonization will result in more This proposed amendment, which will also add to environmental targeted and effective training and will increase standardization and protection by increasing the ease of thereby enhanced environmental consistency of regulations, will result in regulatory compliance. protection. This proposed amendment greater protection of human health and Harmonization will result in more will eliminate inconsistent hazardous the environment. Consistency between targeted and effective training and materials regulations, which hamper U.S. and international regulations thereby enhanced environmental compliance training efforts. For ease of enhances the safety and environmental protection. This proposed amendment compliance with appropriate protection of international hazardous will eliminate inconsistent hazardous regulations, international carriers materials transportation through better materials regulations, which hamper engaged in the transportation of understanding of the regulations, an compliance training efforts. Consistency hazardous materials by vessel generally increased level of industry compliance, between these international regulations elect to comply with the IMDG Code. the smooth flow of hazardous materials and the HMR allows shippers and Consistency between these international from their points of origin to their

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points of destination, and consistent review DOT’s complete Privacy Act with applicable law or otherwise emergency response in the event of a Statement in the Federal Register impractical. Voluntary consensus hazardous materials incident. The published on April 11, 2000 (65 FR standards are technical standards (e.g., proposed additions intend to provide 19477), or you may visit http:// specification of materials, test methods, reciprocal treatment of DOT Special www.dot.gov/privacy.html. or performance requirements) that are Permits and TC equivalency certificates, K. Executive Order 13609 and developed or adopted by voluntary DOT cylinders and TC cylinders, and International Trade Analysis consensus standard bodies. This NPRM cargo tank repair capabilities in both involves multiple voluntary consensus countries. Amending the HMR will Under Executive Order 13609 standards which are discussed at length facilitate consistent communication for (‘‘Promoting International Regulatory in the ‘‘Section-by-Section Review’’ for substances transported by cylinders and Cooperation’’), agencies must consider § 171.7. cargo tanks, thus decreasing not only whether the impacts associated with List of Subjects incident response time, but the number significant variations between domestic and severity of environmental and and international regulatory approaches 49 CFR Part 107 safety incidents. are unnecessary or may impair the Administrative practice and The proposed action is consistent ability of American business to export procedure, Hazardous materials with concurrent actions by Transport and compete internationally. In meeting transportation, Packaging and Canada to amend the TDG Regulations. shared challenges involving health, Greenhouse gas emissions would safety, labor, security, environmental, containers, Penalties, Reporting and remain the same under this proposed and other issues, international recordkeeping requirements. amendment. regulatory cooperation can identify 49 CFR Part 171 approaches that are at least as protective 4. Agencies Consulted as those that are or would be adopted in Exports, Hazardous materials This NPRM represents PHMSA’s first the absence of such cooperation. transportation, Hazardous waste, action in the U.S. for this program area. International regulatory cooperation can Imports, Incorporation by reference, PHMSA has coordinated with the U.S. also reduce, eliminate, or prevent Reporting and recordkeeping Federal Aviation Administration, the unnecessary differences in regulatory requirements. Federal Motor Carrier Safety requirements. 49 CFR Part 172 Administration, the Federal Railroad Similarly, the Trade Agreements Act Administration, and the U.S. Coast of 1979 (Pub. L. 96–39), as amended by Education, Hazardous materials Guard, in the development of this the Uruguay Round Agreements Act transportation, Hazardous waste, proposed rule. PHMSA will consider (Pub. L. 103–465), prohibits Federal Incorporation by reference, Labeling, the views expressed in comments to the agencies from establishing any Markings, Packaging and containers, NPRM submitted by members of the standards or engaging in related Reporting and recordkeeping public, state and local governments, and activities that create unnecessary requirements. industry. obstacles to the foreign commerce of the 49 CFR Part 173 United States. For purposes of these 5. Conclusion requirements, Federal agencies may Hazardous materials transportation, The provisions of this proposed rule participate in the establishment of Incorporation by reference, Packaging build on current regulatory international standards, so long as the and containers, Radioactive materials, requirements to enhance the standards have a legitimate domestic Reporting and recordkeeping transportation safety and security of objective, such as providing for safety, requirements, Uranium. shipments of hazardous materials and do not operate to exclude imports 49 CFR Part 175 transported by highway, rail, aircraft, that meet this objective. The statute also and vessel, thereby reducing the risks of requires consideration of international Air carriers, Hazardous materials an accidental or intentional release of standards and, where appropriate, that transportation, Radioactive materials, hazardous materials and consequent they be the basis for U.S. standards. Reporting and recordkeeping environmental damage. PHMSA PHMSA participates in the requirements. concludes that the net environmental establishment of international standards 49 CFR Part 176 impact will be positive and that there to protect the safety of the American are no significant environmental public. PHMSA has assessed the effects Maritime carriers, Hazardous impacts associated with this proposed of the proposed rule and determined materials transportation, Incorporation rule. that it does not cause unnecessary by reference, Radioactive materials, PHMSA welcomes any views, data, or obstacles to foreign trade. In fact, the Reporting and recordkeeping information related to environmental rule is designed to facilitate requirements. impacts that may result if the proposed international trade. Accordingly, this 49 CFR Part 178 requirements are adopted, as well as rulemaking is consistent with Executive possible alternatives and their Order 13609 and PHMSA’s obligations Hazardous materials transportation, environmental impacts. under the Trade Agreement Act, as Incorporation by reference, Motor amended. vehicle safety, Packaging and J. Privacy Act containers, Reporting and recordkeeping Anyone is able to search the L. National Technology Transfer and requirements. electronic form of any written Advancement Act 49 CFR Part 180 communications and comments The National Technology Transfer received into any of our dockets by the and Advancement Act of 1995 (15 Hazardous materials transportation, name of the individual submitting the U.S.C. 272 note) directs Federal Motor carriers, Motor vehicle safety, document (or signing the document, if agencies to use voluntary consensus Packaging and containers, Railroad submitted on behalf of an association, standards in their regulatory activities safety, Reporting and recordkeeping business, labor union, etc.). You may unless doing so would be inconsistent requirements.

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In consideration of the foregoing, approved to inspect, test, certify, repair, (2) A person holding a DOT-issued PHMSA proposes to amend 49 CFR or rebuild a cylinder in accordance with RIN to perform the requalification chapter I as follows: a DOT specification or a UN pressure (inspect, test, certify), repair, or rebuild receptacle under subpart C of part 178 of DOT specification cylinders, that PART 107—HAZARDOUS MATERIALS or subpart C of part 180 of this chapter, wishes to perform any of these actions PROGRAM PROCEDURES or under the terms of a special permit on corresponding TC, CTC, CRC, or BTC issued under this part, or a TC, CTC, cylinders or tubes may submit an ■ 1. The authority citation for part 107 CRC, or BTC specification cylinder or application that, in addition to the continues to read as follows: tube manufactured in accordance with information prescribed in § 107.705(a): Authority: 49 U.S.C. 5101–5128, 44701; the TDG Regulations (IBR, see § 171.7 of Identifies the TC, CTC, CRC, or BTC Pub. L. 101–410 section 4 (28 U.S.C. this subchapter). specification cylinder(s) or tube(s) to be 2461note); Pub. L. 104–121 sections 212–213; Pub. L. 104–134 section 31001; Pub. L. 112– * * * * * inspected; certifies the requalifier will 141 section 33006, 33010; 49 CFR 1.81 and (c) * * * operate in compliance with the 1.97. (2) The types of DOT specification or applicable TDG Regulations; certifies the persons performing requalification ■ 2. In § 107.502, paragraph (b) is special permit cylinders, UN pressure have been trained in the functions revised to read as follows: receptacles, or TC, CTC, CRC, or BTC specification cylinders or tubes that will applicable to the requalifiers’ activities; § 107.502 General registration be inspected, tested, repaired, or rebuilt and includes the signature of the person requirements. at the facility; making the certification and the date on * * * * * which it was signed. In addition, the (b) No person may engage in the * * * * * procedural requirements in subpart H of manufacture, assembly, certification, (d) Issuance of requalifier this part apply to the filing, processing inspection or repair of a cargo tank or identification number (RIN). The and termination of an approval issued cargo tank motor vehicle manufactured Associate Administrator issues a RIN as under this subpart. under the terms of a DOT specification evidence of approval to requalify DOT (3) A person holding a certificate of under subchapter C of this chapter or a specification or special permit registration issued by Transport Canada special permit issued under this part cylinders, or TC, CTC, CRC, or BTC in accordance with the TDG Regulations unless the person is registered with the specification cylinders or tubes, or UN to perform the requalification (inspect, Department in accordance with the pressure receptacles if it is determined, test, certify), repair, or rebuild of a TC, provisions of this subpart. A person based on the applicant’s submission and CTC, CRC, or BTC cylinder who employed as an inspector or design other available information, that the performs any of these actions on certifying engineer is considered to be applicant’s qualifications and, when corresponding DOT specification registered if the person’s employer is applicable, facility are adequate to cylinders. perform the requested functions in registered. The requirements of this * * * * * paragraph do not apply to a person accordance with the criteria prescribed engaged in the repair of a DOT in subpart C of part 180 of this PART 171—GENERAL INFORMATION, specification cargo tank used in the subchapter or TDG Regulations, as REGULATIONS, AND DEFINITIONS transportation of hazardous materials in applicable. the United States in accordance with * * * * * ■ 5. The authority citation for part 171 § 180.413(a)(1)(iii) of this chapter. (f) Exceptions. The requirements in continues to read as follows: * * * * * paragraphs (b) and (c) of this section do Authority: 49 U.S.C. 5101–5128, 44701; ■ 3. In § 107.801, paragraph (a)(2) is not apply to: Pub. L. 101–410 section 4 (28 U.S.C. 2461 revised to read as follows: (1) A person who only performs note); Pub. L. 104–134, section 31001; 49 CFR 1.81 and 1.97. § 107.801 Purpose and scope. inspections in accordance with § 180.209(g) of this chapter provided the ■ 6. In § 171.2, paragraph (h)(1) is (a) * * * revised to read as follows: (2) A person who seeks approval to application contains the following, in addition to the information prescribed engage in the requalification (e.g. § 171.2 General requirements. inspection, testing, or certification), in § 107.705(a): Identifies the DOT specification/special permit cylinders to (h) * * * rebuilding, or repair of a cylinder (1) Specification identifications that manufactured in accordance with a DOT be inspected; certifies the requalifier will operate in compliance with the include the letters ‘‘ICC’’, ‘‘DOT’’, ‘‘TC’’, specification or a pressure receptacle in ‘‘CTC’’, ‘‘CRC’’, ‘‘BTC’’, ‘‘MC’’, or ‘‘UN’’; accordance with a UN standard under applicable requirements of subchapter C subchapter C of this chapter or under of this chapter; certifies the persons * * * * * ■ the terms of a special permit issued performing inspections have been 7. In § 171.7, ■ under this part, or a cylinder or tube trained and have the information a. Revise paragraphs (t) introductory manufactured in accordance with a TC, contained in each applicable CGA text, (t)(1), (v) introductory text, (v)(2), CTC, CRC, or BTC specification under pamphlet incorporated by reference in and (w)(1) through (58); ■ the Transport Canada TDG Regulations § 171.7 of this chapter applicable to the b. Add paragraphs (w)(59) through (IBR; see § 171.7); requalifiers’ activities; and includes the (69); signature of the person making the ■ c. Revise paragraphs (bb) introductory * * * * * ■ certification and the date on which it text and (bb)(1) introductory text; 4. In § 107.805, paragraphs (a), (c)(2), ■ (d), and (f) are revised to read as was signed. Each person must comply d. Add paragraphs (bb)(1)(xiii) follows: with the applicable requirements in this through (xix); subpart. In addition, the procedural ■ e. Revise paragraphs (dd) introductory § 107.805 Approval of cylinder and requirements in subpart H of this part text and (dd)(1) and (2); and pressure receptacle requalifiers. apply to the filing, processing and ■ f. Add paragraph (dd)(3). (a) General. A person must meet the termination of an approval issued under The revisions and additions read as requirements of this section to be this subpart; or follows:

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§ 171.7 Reference material. sources—General requirements and (24) ISO 6892 Metallic materials— * * * * * classification, (ISO 2919), second Tensile testing, July 15, 1984, First (t) International Civil Aviation edition, February 15, 1999, into Edition, into § 178.274. Organization (‘‘ICAO’’), 999 Robert- § 173.469. (25) ISO 7225(E), Gas cylinders— Bourassa Boulevard, Montre´al, Quebec (10) ISO 3036–1975(E) Board— Precautionary labels, Second Edition, H3C 5H7, Canada, 1–514–954–8219, Determination of puncture resistance, July 2005, into § 178.71. http://www.icao.int. ICAO Technical 1975, into § 178.708. (26) ISO 7866(E), Gas cylinders— Instructions available from: ICAO (11) ISO 3405:2000(E), Petroleum Refillable seamless aluminum alloy gas Document Sales Unit, [email protected]. products—Determination of distillation cylinders—Design, construction and (1) Technical Instructions for the Safe characteristics at atmospheric pressure, testing, First edition, June 1999, into Transport of Dangerous Goods by Air Third Edition, 2000–03–01, into § 178.71. (ICAO Technical Instructions), 2017– § 173.121. (27) ISO 7866:2012 Gas cylinders— Refillable seamless aluminium alloy gas 2018 Edition, into §§ 171.8; 171.22; (12) ISO 3574–1986(E) Cold-reduced cylinders—Design, construction and 171.23; 171.24; 172.101; 172.202; carbon steel sheet of commercial and testing, Second edition, 2012–08–21, 172.401; 172.512; 172.519; 172.602; drawing qualities, into § 178.503; part 173.56; 173.320; 175.10, 175.33; 178.3. into § 178.71. 178, appendix C. (28) ISO 7866:2012/Cor 1:2014 Gas * * * * * (13) ISO 3679:2004(E), Determination (v) International Maritime cylinders—Refillable seamless of flash point—Rapid equilibrium aluminium alloy gas cylinders—Design, Organization (‘‘IMO’’), 4 Albert closed cup method, Third Edition, Embankment, London, SE1 7SR, United construction and testing, Technical 2004–04–01, into § 173.120. Corrigendum 1, 2014–04–15, into Kingdom, + 44 (0) 20 7735 7611, http:// (14) ISO 3680:2004(E), Determination www.imo.org. IMDG Code available § 178.71. of flash/no flash—Rapid equilibrium (29) ISO 8115 Cotton bales— from: IMO Publishing, [email protected]. closed cup method, Fourth Edition, (1) * * * Dimensions and density, 1986 Edition, 2004–04–01, into § 173.120. (2) International Maritime Dangerous into § 172.102. Goods Code (IMDG Code), Incorporating (15) ISO 3807–2(E), Cylinders for (30) ISO 9809–1:1999(E): Gas Amendment 38–16 (English Edition), acetylene—Basic requirements—Part 2: cylinders—Refillable seamless steel gas 2016 Edition, into §§ 171.22; 171.23; Cylinders with fusible plugs, First cylinders—Design, construction and 171.25; 172.101; 172.202; 172.203 edition, March 2000, into §§ 173.303; testing—Part 1: Quenched and tempered 172.401; 172.502; 172.519; 172.602; 178.71. steel cylinders with tensile strength less 173.21; 173.56; 176.2; 176.5; 176.11; (16) ISO 3807:2013: Gas cylinders— than 1100 MPa., First edition, June 176.27; 176.30; 176.83; 176.84; 176.140; Acetylene cylinders—Basic 1999, into §§ 178.37; 178.71; 178.75. 176.720; 178.3; 178.274. requirements and type testing, Second (31) ISO 9809–1:2010(E): Gas (w) * * * edition, 2013–08–19, into §§ 173.303; cylinders—Refillable seamless steel gas (1) ISO 535–1991(E) Paper and 178.71. cylinders—Design, construction and board—Determination of water (17) ISO 3924:1999(E), Petroleum testing—Part 1: Quenched and tempered absorptiveness—Cobb method, 1991, products—Determination of boiling steel cylinders with tensile strength less into §§ 178.516; 178.707; 178.708. range distribution—Gas chromatography than 1 100 MPa., Second edition, 2010– (2) ISO 1496–1: 1990 (E)—Series 1 method, Second Edition, 1999–08–01, 04–15, into §§ 178.37; 178.71; 178.75. freight containers—Specification and into § 173.121. (32) ISO 9809–2:2000(E): Gas testing, Part 1: General cargo containers. (18) ISO 4126–1:2004(E): Safety cylinders—Refillable seamless steel gas Fifth Edition, (August 15, 1990), into devices for protection against excessive cylinders—Design, construction and § 173.411. pressure—Part 1: Safety valves, Second testing—Part 2: Quenched and tempered (3) ISO 1496–3(E)—Series 1 freight edition 2004–02–15, into § 178.274. steel cylinders with tensile strength containers—Specification and testing— (19) ISO 4126–7:2004(E): Safety greater than or equal to 1 100 MPa., First Part 3: Tank containers for liquids, gases devices for protection against excessive edition, June 2000, into §§ 178.71; and pressurized dry bulk, Fourth pressure—Part 7: Common data, First 178.75. (33) ISO 9809–2:2010(E): Gas edition, March 1995, into §§ 178.74; Edition 2004–02–15 into § 178.274. cylinders—Refillable seamless steel gas 178.75; 178.274. (20) ISO 4126–7:2004/Cor.1:2006(E): (4) ISO 1516:2002(E), Determination cylinders—Design, construction and Safety devices for protection against testing—Part 2: Quenched and tempered of flash/no flash—Closed cup excessive pressure—Part 7: Common equilibrium method, Third Edition, steel cylinders with tensile strength data, Technical Corrigendum 1, 2006– greater than or equal to 1100 MPa., 2002–03–01, into § 173.120. 11–01, into § 178.274. (5) ISO 1523:2002(E), Determination Second edition, 2010–04–15, into of flash point—Closed cup equilibrium (21) ISO 4626:1980(E), Volatile §§ 178.71; 178.75. method, Third Edition, 2002–03–01, organic liquids—Determination of (34) ISO 9809–3:2000(E): Gas into § 173.120. boiling range of organic solvents used as cylinders—Refillable seamless steel gas (6) ISO 2431–1984(E) Standard Cup raw materials, First Edition, 1980–03– cylinders—Design, construction and Method, 1984, into § 173.121. 01, into § 173.121. testing—Part 3: Normalized steel (7) ISO 2592:2000(E), Determination (22) ISO 4706:2008(E), Gas cylinders, First edition, December 2000, of flash and fire points—Cleveland open cylinders—Refillable welded steel into §§ 178.71; 178.75. cup method, Second Edition, 2000–09– cylinders—Test pressure 60 bar and (35) ISO 9809–3:2010(E): Gas 15, into § 173.120. below, First Edition, 2008–04–15, cylinders—Refillable seamless steel gas (8) ISO 2719:2002(E), Determination Corrected Version, 2008–07–01, into cylinders—Design, construction and of flash point—Pensky-Martens closed § 178.71. testing—Part 3: Normalized steel cup method, Third Edition, 2002–11– (23) ISO 6406(E), Gas cylinders— cylinders, Second edition, 2010–04–15, 15, into § 173.120. Seamless steel gas cylinders—Periodic into §§ 178.71; 178.75. (9) ISO 2919:1999(E), Radiation inspection and testing, Second edition, (36) ISO 9809–4:2014 Gas cylinders— Protection—Sealed radioactive February 2005, into § 180.207. Refillable seamless steel gas cylinders—

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Design, construction and testing—Part (49) ISO 11117:1998(E): Gas non-load-sharing metallic or non- 4: Stainless steel cylinders with an Rm cylinders—Valve protection caps and metallic liners, Second edition, 2013– value of less than 1 100 MPa, First valve guards for industrial and medical 04–17, into § 178.71. edition, 2014–07–08, into §§ 178.71; gas cylinders.—Design, construction (60) ISO 11120(E), Gas cylinders— 178.75. and tests, First edition, 1998–08–01, Refillable seamless steel tubes of water (37) ISO 9978:1992(E)—Radiation into § 173.301b. capacity between 150 L and 3000 L— protection—Sealed radioactive (50) ISO 11117:2008(E): Gas Design, construction and testing, First sources—Leakage test methods. First cylinders—Valve protection caps and edition, March 1999, into §§ 178.71; Edition, (February 15, 1992), into valve guards—Design, construction and 178.75. § 173.469. tests, Second edition, 2008–09–01, into (61) ISO 11513:2011(E), Gas (38) ISO 10156:2010(E): Gases and gas § 173.301b. cylinders—Refillable welded steel mixtures—Determination of fire (51) ISO 11117:2008/Cor.1:2009(E): cylinders containing materials for sub- potential and oxidizing ability for the Gas cylinders—Valve protection caps atmospheric gas packaging (excluding selection of cylinder valve outlets, Third and valve guards—Design, construction acetylene)—Design, construction, edition, 2010–04–01, into § 173.115. and tests, Technical Corrigendum 1, testing, use and periodic inspection, (39) ISO 10156:2010/Cor.1:2010(E): 2009–05–01, into § 173.301b. First edition, 2011–09–12, into Gases and gas mixtures—Determination (52) ISO 11118(E), Gas cylinders— §§ 173.302c; 178.71; 180.207. of fire potential and oxidizing ability for Non-refillable metallic gas cylinders— (62) ISO 11515:2013 Gas cylinders— the selection of cylinder valve outlets, Specification and test methods, First Refillable composite reinforced tubes of Technical Corrigendum 1, 2010–09–01, edition, October 1999, into § 178.71. water capacity between 450 L and 3000 into § 173.115. (53) ISO 11119–1(E), Gas cylinders— L—Design, construction and testing, (40) ISO 10297:1999(E), Gas Gas cylinders of composite First edition, 2013–07–22, into § 178.71. cylinders—Refillable gas cylinder construction—Specification and test (63) ISO 11621(E), Gas cylinders— valves—Specification and type testing, methods—Part 1: Hoop-wrapped Procedures for change of gas service, First Edition, 1995–05–01, into composite gas cylinders, First edition, First edition, April 1997, into §§ 173.301b; 178.71. May 2002, into § 178.71. §§ 173.302, 173.336, 173.337. (41) ISO 10297:2006(E), Transportable (54) ISO 11119–1:2012 Gas (64) ISO 11623(E), Transportable gas gas cylinders—Cylinder valves— cylinders—Refillable composite gas cylinders—Periodic inspection and Specification and type testing, Second cylinders and tubes—Design, testing of composite gas cylinders, First Edition, 2006–01–15, into §§ 173.301b; construction and testing—Part 1: Hoop edition, March 2002, into § 180.207. 178.71. wrapped fibre reinforced composite gas (65) ISO 13340:2001(E) Transportable (42) ISO 10297:2014 Gas cylinders— cylinders and tubes up to 450 l, Second gas cylinders—Cylinder valves for non- Cylinder valves—Specification and type edition, 2012–07–25, into § 178.71. refillable cylinders—Specification and testing, Third Edition, 20014–07–16, (55) ISO 11119–2(E), Gas cylinders— prototype testing, First edition, 2004– into §§ 173.301b; 178.71. Gas cylinders of composite 04–01, into §§ 173.301b; 178.71. (43) ISO 10461:2005(E), Gas construction—Specification and test (66) ISO 13736:2008(E), cylinders—Seamless aluminum-alloy methods—Part 2: Fully wrapped fibre Determination of flash point—Abel gas cylinders—Periodic inspection and reinforced composite gas cylinders with closed-cup method, Second Edition, testing, Second Edition, 2005–02–15 load-sharing metal liners, First edition, 2008–09–15, into § 173.120. and Amendment 1, 2006–07–15, into May 2002, into § 178.71. (67) ISO 16111:2008(E), Transportable § 180.207. (56) ISO 11119–2:2012 Gas gas storage devices—Hydrogen absorbed (44) ISO 10462 (E), Gas cylinders— cylinders—Refillable composite gas in reversible metal hydride, First Transportable cylinders for dissolved cylinders and tubes—Design, Edition, 2008–11–15, into §§ 173.301b; acetylene—Periodic inspection and construction and testing—Part 2: Fully 173.311; 178.71. maintenance, Second edition, February wrapped fibre reinforced composite gas (68) ISO 18172–1:2007(E), Gas 2005, into § 180.207. cylinders and tubes up to 450 l with cylinders—Refillable welded stainless (45) ISO 10462:2013 Gas cylinders— load-sharing metal liners, Second steel cylinders—Part 1: Test pressure 6 Acetylene cylinders—Periodic edition, 2012–07–13, into § 178.71. MPa and below, First Edition, 2007–03– (57) ISO 11119–2:2012/Amd 1:2014 inspection and maintenance, Third 01, into § 178.71. Gas cylinders—Refillable composite gas edition, 2013–12–05, into § 180.207. (69) ISO 20703:2006(E), Gas (46) ISO 10692–2:2001(E), Gas cylinders and tubes—Design, cylinders—Refillable welded cylinders—Gas cylinder valve construction and testing—Part 2: Fully aluminum-alloy cylinders—Design, connections for use in the micro- wrapped fibre reinforced composite gas construction and testing, First Edition, electronics industry—Part 2: cylinders and tubes up to 450 l with 2006–05–01, into § 178.71. Specification and type testing for valve load-sharing metal liners, Second to cylinder connections, First Edition, edition, 2014–08–11, into § 178.71. * * * * * 2001–08–01, into §§ 173.40; 173.302c. (58) ISO 11119–3(E), Gas cylinders of (bb) Transport Canada, Transport (47) ISO 11114–1:2012(E), Gas composite construction—Specification Dangerous Goods. Mailstop: ASD 330 cylinders—Compatibility of cylinder and test methods—Part 3: Fully Sparks Street, Ottawa, Ontario, Canada and valve materials with gas contents— wrapped fibre reinforced composite gas K1A 0N5, 416–973–1868, http:// Part 1: Metallic materials, Second cylinders with non-load-sharing www.tc.gc.ca. edition, 2012–03–15, into §§ 172.102; metallic or non-metallic liners, First (1) Transportation of Dangerous 173.301b; 178.71. edition, September 2002, into § 178.71. Goods Regulations (Transport Canada (48) ISO 11114–2:2013 Gas (59) ISO 11119–3:2013 Gas TDG Regulations), into §§ 171.12; cylinders—Compatibility of cylinder cylinders—Refillable composite gas 171.22; 171.23; 172.401; 172.502; and valve materials with gas contents— cylinders and tubes—Design, 172.519; 172.602; 173.31; 173.32; Part 2: Non-metallic materials, Second construction and testing—Part 3: Fully 173.33; 180.413. edition, 2013–03–21, into §§ 173.301b; wrapped fibre reinforced composite gas * * * * * 178.71. cylinders and tubes up to 450 l with (xiii) SOR/2014–152 July 2, 2014.

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(xiv) SOR/2014–159 July 2, 2014. accordance with the applicable 178 of this subchapter do not apply for (xv) SOR/2014–159 Erratum July 16, standard. a material transported in accordance 2014. * * * * * with the Transport Canada TDG (xvi) SOR/2014–152 Erratum August Large salvage packaging means a Regulations. 27, 2014. special packaging into which damaged, * * * * * (xvii) SOR/2014–306 December 31, defective, leaking or non-conforming (4) * * * 2014. hazardous materials packages, or (ii) A Canadian Railway Commission (xviii) SOR/2014–306 Erratum hazardous materials that have spilled or (CRC), Board of Transport January 28, 2015. leaked are placed for the purpose of Commissioners for Canada (BTC), (xix) SOR/2015–100 May 20, 2015. transport for recovery or disposal, that— Canadian Transport Commission (CTC) * * * * * (1) Is designed for mechanical or Transport Canada (TC) specification (dd) United Nations, Bookshop, GA– handling; and cylinder manufactured, originally 1B–103, New York, NY 10017, 1–212– (2) Has a net mass greater than 400 kg marked, and approved in accordance 963–7680, https://shop.un.org or (882 pounds) or a capacity of greater with the TDG regulations, and in full [email protected]. than 450 L (119 gallons), but has a conformance with the TDG Regulations (1) UN Recommendations on the volume of not more than 3 cubic meters is authorized for transportation to, from Transport of Dangerous Goods, Model (106 cubic feet). or within the United States provided: Regulations (UN Recommendations), * * * * * (A) The CRC, BTC, CTC or TC 19th revised edition, Volumes I and II SAPT means self-accelerated specification cylinder corresponds with (2015), into §§ 171.8; 171.12; 172.202; polymerization temperature. See a DOT specification cylinder and the 172.401; 172.407; 172.502; 173.22; § 173.21(f) of this subchapter. markings are the same as those specified 173.24; 173.24b; 173.40; 173.56; * * * * * in this subchapter, except that the 173.192; 173.302b; 173.304b; 178.75; Service life, for composite cylinders original markings were ‘‘CRC’’, ‘‘BTC’’, 178.274. and tubes, means the number of years ‘‘CTC’’, or ‘‘TC’’; (2) UN Recommendations on the the cylinder or tube is permitted to be (B) The CRC, BTC, CTC or TC Transport of Dangerous Goods, Manual in service. cylinder has been requalified under a program authorized by the TDG of Tests and Criteria, (Manual of Tests * * * * * regulations; and and Criteria), Sixth revised edition UN tube means a transportable (C) When the regulations authorize a (2015), into §§ 171.24, 172.102; 173.21; pressure receptacle of seamless or cylinder for a specific hazardous 173.56; 173.57; 173.58; 173.60; 173.115; composite construction having with a material with a specification marking 173.124; 173.125; 173.127; 173.128; water capacity exceeding 150 L (39.6 prefix of ‘‘DOT,’’ a cylinder marked 173.137; 173.185; 173.220; 173.221; gallons) but not more than 3,000 L ‘‘CRC’’, ‘‘BTC’’, ‘‘CTC’’, or ‘‘TC’’ 173.225, part 173, appendix H; 178.274: (792.5 gallons) that has been marked otherwise bearing the same markings (3) UN Recommendations on the and certified as conforming to the required of the specified ‘‘DOT’’ Transport of Dangerous Goods, Globally requirements in part 178 of this cylinder may be used. Harmonized System of Classification subchapter. and Labelling of Chemicals (GHS), Sixth (D) Transport of the cylinder and the * * * * * revised edition (2015), into § 172.401. material it contains is in all other ■ 9. In § 171.12, paragraphs (a)(1) and respects in conformance with the * * * * * (a)(4)(ii) are revised to read as follows: requirements of this subchapter (e.g. ■ 8. In § 171.8: valve protection, filling requirements, ■ a. Revise the definition of ‘‘Aerosol’’; § 171.12 North American Shipments. operational requirements, etc.). ■ b. Add a definition for ‘‘Design life’’ (a) * * * in alphabetical order; (1) A hazardous material transported * * * * * ■ ■ c. Revise the definition of ‘‘Large from Canada to the United States, from 10. In § 171.23, paragraph (a) is salvage packaging’’; the United States to Canada, or revised to read as follows: ■ d. Add definitions for ‘‘SAPT’’ and transiting the United States to Canada or § 171.23 Requirements for specific ‘‘Service life’’ in alphabetical order; a foreign destination may be offered for materials and packagings transported ■ e. Revise the definition of ‘‘UN tube’’. transportation or transported by motor under the ICAO Technical Instructions, The revisions and additions read as carrier and rail in accordance with the IMDG Code, Transport Canada TDG follows: Transport Canada TDG Regulations Regulations, or the IAEA Regulations. (IBR, see § 171.7) or an equivalency * * * * * § 171.8 Definitions and abbreviations. certificate (permit for equivalent level of (a) Conditions and requirements for * * * * * safety) issued under the TDG cylinders—(1) Except as provided in Aerosol means an article consisting of Regulations, as authorized in § 171.22, this paragraph, a filled cylinder any non-refillable receptacle containing provided the requirements in §§ 171.22 (pressure receptacle) manufactured to a gas compressed, liquefied or dissolved and 171.23, as applicable, and this other than a DOT specification or a UN under pressure, the sole purpose of section are met. In addition, a cylinder, standard in accordance with part 178 of which is to expel a nonpoisonous (other cargo tank motor vehicle, portable tank this subchapter, a DOT exemption or than a Division 6.1 Packing Group III or rail tank car authorized by the special permit cylinder, a TC, CTC, material) liquid, paste, or powder and Transport Canada TDG Regulations may CRC, or BTC cylinder authorized under fitted with a self-closing release device be used for transportation to, from, or § 171.12, or a cylinder used as a fire allowing the contents to be ejected by within the United States provided the extinguisher in conformance with the gas. cylinder, cargo tank motor vehicle, § 173.309(a) of this subchapter, may not * * * * * portable tank or rail tank car conforms be transported to, from, or within the Design life, for composite cylinders to the applicable requirements of this United States. and tubes, means the maximum life (in section. Except as otherwise provided in (2) Cylinders (including UN pressure number of years) to which the cylinder this subpart and subpart C of this part, receptacles) transported to, from, or or tube is designed and approved in the requirements in parts 172, 173, and within the United States must conform

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to the applicable requirements of this authorized, upon written request to and marked in accordance with part 178 of subchapter. Unless otherwise excepted approval by the Associate this subchapter and otherwise conforms in this subchapter, a cylinder must not Administrator, for transportation within to the requirements of part 173 of this be transported unless— a single port area, provided— subchapter for the gas involved, except (i) The cylinder is manufactured, (i) The cylinder is transported in a that the cylinder is not equipped with inspected and tested in accordance with closed freight container; a pressure relief device may be filled a DOT specification or a UN standard (ii) The cylinder is certified by the with a gas and offered for transportation prescribed in part 178 of this importer to provide a level of safety at and transported for export if the subchapter, or a TC, CTC, CRC, or BTC least equivalent to that required by the following conditions are met: specification set out in the TDG regulations in this subchapter for a (i) Each DOT specification cylinder or Regulations, except that cylinders not comparable DOT, TC, CTC, BTC, or CRC UN pressure receptacle must be plainly conforming to these requirements must specification or UN cylinder; and and durably marked ‘‘For Export Only’’; meet the requirements in paragraph (iii) The cylinder is not refilled for (a)(3), (4), or (5) of this section; export unless in compliance with (ii) The shipping paper must carry the (ii) The cylinder is equipped with a paragraph (a)(4) of this section. following certification: ‘‘This cylinder pressure relief device in accordance (4) Filling of cylinders for export or has (These cylinders have) been retested with § 173.301(f) of this subchapter and for use on board a vessel: A cylinder not and refilled in accordance with the DOT conforms to the applicable requirements manufactured, inspected, tested and requirements for export.’’ and in part 173 of this subchapter for the marked in accordance with part 178 of (iii) The emergency response hazardous material involved; this subchapter, or a cylinder information provided with the shipment (iii) The openings on an aluminum manufactured to other than a UN and available from the emergency cylinder in oxygen service conform to standard, DOT specification, exemption response telephone contact person must the requirements of this paragraph, or special permit, or other than a TC, indicate that the pressure receptacles except when the cylinder is used for CTC, BTC, or CRC specification, may be are not fitted with pressure relief aircraft parts or used aboard an aircraft filled with a gas in the United States devices and provide appropriate in accordance with the applicable and offered for transportation and guidance for exposure to fire. airworthiness requirements and transported for export or alternatively, * * * * * operating regulations. An aluminum for use on board a vessel, if the DOT specification cylinder must have following conditions are met: PART 172—HAZARDOUS MATERIALS an opening configured with straight (i) The cylinder has been requalified TABLE, SPECIAL PROVISIONS, (parallel) threads. A UN pressure and marked with the month and year of HAZARDOUS MATERIALS receptacle may have straight (parallel) requalification in accordance with COMMUNICATIONS, EMERGENCY or tapered threads provided the UN subpart C of part 180 of this subchapter, RESPONSE INFORMATION, TRAINING pressure receptacle is marked with the or has been requalified as authorized by REQUIREMENTS, AND SECURITY thread type, e.g. ‘‘17E, 25E, 18P, or 25P’’ the Associate Administrator; PLANS and fitted with the properly marked (ii) In addition to other requirements valve; and of this subchapter, the maximum filling ■ 11. The authority citation for part 172 (iv) A UN pressure receptacle is density, service pressure, and pressure continues to read as follows: marked with ‘‘USA’’ as a country of relief device for each cylinder conform approval in conformance with §§ 178.69 to the requirements of this part for the Authority: 49 U.S.C. 5101–5128, 44701; 49 CFR 1.81, 1.96 and 1.97. and 178.70 of this subchapter, or ‘‘CAN’’ gas involved; and for Canada. (iii) The bill of lading or other ■ 12. In § 172.101, the Hazardous (3) Importation of cylinders for shipping paper identifies the cylinder Materials Table is amended by removing discharge within a single port area: A and includes the following certification: the entries under ‘‘[REMOVE]’’, by cylinder manufactured to other than a ‘‘This cylinder has (These cylinders adding the entries under ‘‘[ADD]’’ and DOT specification or UN standard in have) been qualified, as required, and revising entries under ‘‘[REVISE]’’ in the accordance with part 178 of this filled in accordance with the DOT appropriate alphabetical sequence to subchapter, or a TC, CTC, BTC, or CRC requirements for export.’’ read as follows: specification cylinder set out in the TDG (5) Cylinders not equipped with Regulations, and certified as being in pressure relief devices: A DOT § 172.101 Purpose and use of the conformance with the transportation specification or a UN cylinder hazardous materials table. regulations of another country may be manufactured, inspected, tested and * * * * *

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Quantity limitations (see §§ 173.27 and aircraft/rail (8) (9) (10) (8) (9) Packaging (§ 173. ***) Exceptions Non-bulk Bulk Passenger None ...... 213 ...... 240 ...... Forbidden Forbidden D ...... 2, 25, 52, None ...... 213 ...... 240 ...... 10 kg ...... 25 kg ...... D ...... 25, 52, 53 None ...... 203 ...... 241 ...... Forbidden Forbidden D ...... 2, 25, 52, None ...... 203 ...... 241 ...... 10 L ...... 25 L ...... D ...... 25, 52, 53 (§ 172.102) Special provisions T7, TP4, TP6, TP33. T7, TP4, TP6, TP33. T7, TP4, TP6. T7, TP4, TP6. Label codes PG Nos. Identi- fication 3 UN3528 ...... 3 ...... 363 ...... 220 ...... 220 ...... 220 ...... No limit ..... No lim it ..... E ...... 149 9 UN3166 ...... 9 ...... 9 UN3166 135, A200 ...... 220 ...... 9 ...... 220 ...... 135, A200 ...... 220 220 ...... Forbidden 220 ...... No limit 220 ...... No limit A ...... No limit .. ... A. 9 UN3530 ...... 9 ...... 363 ...... 220 ...... 220 ...... 220 ...... No limit ..... No lim it ..... A. 3 UN3269 ...... 3 ...... 40, 149 ...... 165 ...... 165 ...... None ...... 5 kg ...... 5 kg ..... B. 4.1 UN3534 III ...... 4.1 ...... 387, IB3, IP19, N92, 4.1 UN3533 III ...... 4.1 ...... 387, IB7, IP19, N92, 4.1 UN3527 ...... 4.1 ...... 40, 157 ...... 165 ...... 165 ...... None ...... 5 kg ...... 5 kg ...... B. 4.1 UN3531 III ...... 4.1 ...... 387, IB7, IP19, N92, 4.1 UN3532 III ...... 4.1 ...... 387, IB3, IP19, N92, 2.1 UN3529 ...... 2.1 ...... 363 ...... 220 ...... 220 ...... 220 ...... Forbiddenlimit..... No E. (3) (4) (5) (6) (3) (7) (8A) (8B) (8C) (10B) (9A) (10A) (9B) Hazard division class or En- Ma- ******* ******* ******* ******* ******* ******* ******* ******* ******* Engine, Engine, ...... A210. (2) ...... A210. Machinery, internal com- or Machinery, internal combus- Machinery, fuel cell, flammable and proper shipping names perature controlled, n.o.s. perature controlled, n.o.s. bilized, n.o.s. bilized, n.o.s. bustion, flammable liquid powered or liquid powered. chinery, internal combustion. terial . rial . gines, fuel cell, flammable liquid powered . Engines, fuel cell, flammable gas powered . mable gas powered or fuel cell, flammable gas powered or tion, flammable gas powered or Machinery, fuel cell, flammable gas powered. mable liquid powered or fuel cell, flammable liquid pow- ered Hazardous materials descriptions Engine, internal combustion or Polyester resin kit, liquid base ma- Polyester resin kit, solid base mate- [REMOVE] Engines, internal combustion, or Engines internal combustion, or Polyester resin kit ...... [ADD] 3 UN3269 1,3,2-Benzodioxaborole ...... 3 ...... 40, 149 ...... Catecholborane 165 ...... 165 ...... Engine, internal combustion, flam- None ...... 5 kg ...... 5 kg ...... B. Engine, internal combustion, flam- (1) Symbols G ...... Polymerizing substance, solid, tem- G ...... Polymerizing substance, liquid, tem- G ...... Polymerizing substance, solid, sta- G ...... Polymerizing substance, liquid, sta-

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Quantity limitations (see §§ 173.27 and aircraft/rail (8) (9) (10) (8) (9) Packaging (§ 173. ***) Exceptions Non-bulk Bulk Passenger None ...... 226 ...... 244 ...... Forbidden ForbiddenNone D ...... 201 25, 40 ...... 243 ...... Forbidden 30 L ...... D ...... 25, 40 None ...... 212 ...... None ...... 241 ...... 213 ...... 15 kg151 ...... 241 ...... 212 50 kg ...... 25 kg ...... 241 B...... 100 kg 15 kg ...... B. 50 kg ...... E ...... 13, 52, 148 None ...... 212 ...... None ...... 242 ...... 213 ...... 15 kgNone ...... 242 ...... 201 50 kg ...... 25 kg ...... 244 B...... 100 kg ...... Forbidden B. 1 L ...... D ...... 13, 52, 148 None ...... 211 ...... 151 ...... 242 ...... 212 ...... Forbidden 241 ...... 15 kg 15 kg ...... D 50 kg ...... 13, 52, 148 E ...... 13, 40, 52, (§ 172.102) Special provisions B30, B42, B77, T22, TP2, TP7, TP13, TP38, TP44. TP13. TP33, W31. TP33, W31. TP33, W31, W40. TP33, W31. TP33, W31. W31. TP7, TP33, W32. IB7, IP2, IP4, T3, TP33, W31, W40. Label codes PG III ...... 4.2 ...... 65, A7, IB8, IP3, T1, III ...... 4.2, 8 .... 64, A7, IB8, IP3, T1, Nos. Identi- fication 4.2 UN3205 II ...... 4.2 ...... 65, A7, IB6, IP2, T3, 2.3 UN3516 ...... 2.3, 8 .... 1, 379 ...... None ...... 302c ...... None ...... Forbidden Forbidden D ...... 40 4.2 UN3206 II ...... 4.2, 8 .... 64, A7, IB5, IP2, T3, 2.3 UN3516 ...... 2.3, 8 .... 2, 379, B9, B14 ...... None ...... 302c ...... None ...... Forbidden Forbidden D ...... 40 2.3 UN3516 ...... 2.3, 8 .... 3, 379, B14 ...... None ...... 302c ...... None ...... Forbidden Forbidden D ...... 4.3 UN3482 I ...... 4.3, 34.3 .... UN1391 A2, A3, A7, W31 ...... I ...... None 4.3 ...... 201 A2, A3, A7, W31 ...... 244 None ...... Forbidden 201 ...... 1 L 244 ...... D Forbidden ...... 13, 52, 148 1 L ...... D ...... 13, 52, 148 2.3 UN3516 ...... 2.3, 8 .... 4, 379 ...... None ...... 302c ...... None ...... Forbidden Forbidden D ...... 40 (3) (4) (5) (6) (3) (7) (8A) (8B) (8C) (10B) (9A) (10A) (9B) Hazard division class or ******* ******* ******* ******* ******* ******* ******* Alkaline (2) Inhalation hazard zone A . Inhalation hazard zone B . Inhalation hazard zone C . Inhalation hazard zone D . Alkaline earth metal disper- and proper shipping names n.o.s. n.o.s. n.o.s. n.o.s. earth metal dispersions. or sions, flammable. n.o.s. ing, corrosive, n.o.s. Hazardous materials descriptions Rocket motors ...... 1.4C [REVISE] UN0510 ...... 1.4C .....Acrolein dimer, stabilized ...... 109Acrolein, stabilized ...... None ...... 62 ...... 3 6.1 UN2607 62 UN1092 ...... III I ...... Forbidden ...... Acrylic acid, stabilized 3 6.1, 3 ...... 75 kgAcrylonitrile, stabilized 387, B1, IB3, T2, TP1 ...... 1, 380, 387, B9, B14, 02 ...... 150 ...... 25 203 8 ...... UN2218 3 242 ...... II UN1093 ...... 60 L I ...... 8, 3 ...... 220 L 3, 6.1 387, B2, IB2, T7, TP2 ...... 387, B9, T14, TP2, C ...... 154 ...... 25, 40 202 ...... 243 ...... 1 L ...... 30 L ...... C ...... 25, 40 Alkaline earth metal alloys, n.o.s ..... 4.3 UN1393 II ...... 4.3 ...... A19, IB7, IP2, IP4, T3, Alkali metal dispersions, flammable Alkali metal dispersions, or Alkali metal alloys, liquid, n.o.s ...... Alkali metal amalgam, liquid ...... 4.3 UN1421 I 4.3 ...... UN1389 4.3 ...... I ...... A2, A3, A7, B48, N34, 4.3 ...... A2, A3, A7, N34, W31 None ...... 201 ...... 244 ...... Forbidden 1 L ...... D ...... 13, 40, 52, Alkali metal amalgam, solid ...... Alkali metal amides ...... 4.3 UN3401 I ...... 4.3 UN1390 4.3 ...... II ...... IB4, IP1, N40, T9, 4.3 ...... A6, A7, A8, A19, A20, (1) Symbols G ...... Adsorbed gas, toxic, corrosive, G ...... Adsorbed gas, toxic, corrosive, G ...... Adsorbed gas, toxic, corrosive, G ...... Alkaline earth metal alcoholates, G ...... Adsorbed gas, toxic, corrosive, G ...... Alkali metal alcoholates, self-heat-

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None ...... 211 ...... None ...... 1 kg ...... 15 kg ...... E ...... 28, 36 None ...... 212 ...... 242None ...... 15 kg 213 ...... 50 kg 241 ...... B 25 kg ...... 13, 85, 100 kg ...... B ...... 13, 85, 151 ...... 213 ...... 241 ...... 25 kg ...... 100 kg ...... A ...... 13, 39, 40, 151 ...... 213 ...... 241 ...... 25 kg ...... 100 kg ...... A ...... 13, 39, 52, 151 ...... 212 ...... 242 ...... 15 kg ...... 50 kg ...... A ...... 13, 39, 52, 151 ...... 213 ...... 240 ...... 25 kg ...... 100 kg ...... A ...... 13, 39, 52, None ...... 211 ...... 151 ...... 242 ...... 212 ...... Forbidden 240 ...... 15 kg 15 kg ...... E 50 kg ...... 40, 85 A ...... 13, 39, 52, None ...... 211 ...... 242 ...... ForbiddenNone ...... 202 15 kg ...... 243 D ...... ForbiddenNone 13, 52, 14 ...... 206 60 L ...... 243 D ...... Forbidden 25, 40 151 ...... 30 L ...... 212 ...... C ...... 242 ...... 25, 40 15 kg ...... 151 50 kg ...... 212 ...... A ...... 242 ...... 13, 52, 148 15 kg ...... 50 kg ...... A ...... 13, 39, 40, W31. IP4, T3, TP33, W31, W40. T1, TP33, W31. TP33, W31, W40. TP33, W31, W40. IP4, T3, TP33, W31, W40. TP33, W100. W31. TP33, W100. TP7, TP33, W32. TP2. T10, TP2, TP7, TP13. N41, T3, TP33, W31, W40. TP33, W31, W40. III ...... 4.3 ...... 128, B115, IB8, IP4, III ...... 4.3 ...... A19, A20, IB8, IP4, T1, III ...... 4.1 ...... B134, IB8, IP4, T1, III ...... 4.3, 6.1 A19, A20, IB4 ...... 151 ...... 213 ...... 241 ...... 25 kg ...... 100 kg ...... A ...... 13, 39, 40, 4.1 UN3317 I ...... 4.1 ...... 23, A8, A19, A20, N41, 4.3 UN3170 II ...... 4.3 ...... 128, B115, IB7, IP2, 4.3 UN3402 I ...... 4.3 ...... A19, N34, N40, T9, 4.3 UN1392 I ...... 4.3 ...... A19, N34, N40, W31 ... None ...... 201 ...... 244 ...... Forbidden 1 L ...... E ...... 13, 40, 52, ******* ******* ******* ******* ******* ******* ******* ******* ******* ******* with not less than 20 percent water by mass . Aluminum remelting by-products. solid. uid. 2-Amino-4,6-Dinitrophenol, wetted Aluminum smelting by-products or Aluminum silicon powder, uncoated 4.3 UN1398 III ...... 4.3 ...... A1, A19, IB8, IP4, T1, Aluminum powder, uncoated ...... 4.3 UN1396 II ...... 4.3 ...... A19, A20, IB7, IP2, Aluminum hydride ...... 4.3 UN2463 Aluminum phosphide pesticides I ...... 4.3 ...... Aluminum powder, coated ...... A19, N40, W32 ...... 6.1 None UN3048 ...... I 211 ...... 4.1 ...... UN1309 6.1 242 ...... II ...... A8, IB7, IP1, T6, TP33, Forbidden 4.1 ...... 15 kg IB8, IP2, IP4, T3, ...... E ...... 13, 148 Aluminum phosphide ...... 4.3 UN1397 I ...... 4.3, 6.1 A8, A19, N40, W32 ..... None ...... 211 ...... 242 ...... Forbidden 15 kg ...... E ...... 13, 40, 52, Allyl isothiocyanate, stabilized ...... 6.1 Allyltrichlorosilane, stabilized UN1545 ...... II ...... 6.1, 3 .... 387, A3, A7, IB2, T7, 8 UN1724 Aluminum carbide ...... II ...... 8, 3 ...... 387, A7, B2, B6, N34, 4.3 UN1394 Aluminum ferrosilicon powder II ...... 4.3 ...... A20, IB7, IP2, IP4, 4.3 UN1395 II ...... 4.3, 6.1 A19, IB5, IP2, T3, Alkaline earth metal amalgams, Alkaline earth metal amalgams, liq-

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Quantity limitations (see §§ 173.27 and aircraft/rail (8) (9) (10) (8) (9) Packaging (§ 173. ***) Exceptions Non-bulk Bulk Passenger None ...... 201 ...... 243 ...... 0.5 LNone ...... 2.5 L 201 ...... 243 D ...... Forbidden 40 1 L ...... D ...... 21, 25, 40, None ...... 201 ...... 243 ...... 1 L151 ...... 212 30 L ...... 241 B ...... 15 kg 46 ...... 50 kg ...... E ...... 13, 52, 148 None ...... 211 ...... 242 ...... 5 kg152 ...... 212 50 kg ...... 242 A ...... 5 kg153 40, 52 ...... 212 25 kg ...... 242 C ...... 15 kg 13, 52, 66, ...... 50 kg ...... A ...... 13, 147, (§ 172.102) Special provisions W31. TP13, W31. W31. TP33, W31, W40. T6, TP33, W31. W100. TP33, W100. Label codes PG Nos. Identi- fication 8 UN2672 III ...... 8 ...... 336, IB3, IP8, T7, TP2 154 ...... 203 ...... 241 ...... 5L ...... 60L ...... A ...... 40, 52, 85 3 UN2251 II ...... 3 ...... 387, IB2, T7, TP2 ...... 150 ...... 202 ...... 242 ...... 5 L ...... 60 L ...... 4.1 UN1310 I ...... 4.1 ...... 23, A2, N41, W31 ...... None ...... 211 ...... None ...... 0.5 kg ...... 0.5 kg ...... D ...... 28, 36 4.1 UN1571 I ...... 4.1, 6.1 162, A2, W31 ...... None ...... 182 ...... None ...... Forbidden 0.5 kg ...... D ...... 28, 36 (3) (4) (5) (6) (3) (7) (8A) (8B) (8C) (10B) (9A) (10A) (9B) Hazard division class or ******* ******* ******* ******* ******* ******* ******* ******* ******* ******* ******* ******* ******* (2) 2,5-Norbornadiene, sta- or and proper shipping names bilized. bilized between 0.880 and 0.957 at 15 degrees C in water, with more than 10 percent but not more than 35 percent ammonia . less than 10 percent water, by mass . than 50 percent water, by mass . Hazardous materials descriptions Boron trifluoride diethyl etherate .....Boron trifluoride dimethyl etherate 8 .. UN2604 I ...... 8, 3 ...... 4.3 UN2965 A3, A19, T10, TP2, I ...... 4.3, 8, 3 A19, T10, TP2, TP7, Bicyclo [2,2,1] hepta-2,5-diene, sta- Ammonia solution, relative density N-Aminoethylpiperazine ...... 8 UN2815 III ...... 8, 6.1 .... IB3, T4, TP1 ...... 154 ...... 203 ...... 241 ...... 5 L ...... Ammonium picrate, wetted with not 60 L ...... B ...... 12, 25, 40 Arsenic acid, liquid ...... 6.1 Barium UN1553 ...... I ...... Barium alloys, pyrophoric 6.1 ...... 4.3 T20, TP2, TP7, TP13, UN1400 IIBarium azide, wetted with not less ...... 4.2 UN1854 4.3 ...... I ...... A19, IB7, IP2, IP4, T3, 4.2 ...... Barium cyanide ...... T21, TP7, TP33, W31 None ...... 6.1 181 ...... Barium peroxide UN1565 ...... None I ...... Forbidden 6.1 ...... 5.1 IB7, IP1, N74, N75, ForbiddenBeryllium, powder UN1449 ...... II ...... D ...... 5.1, 6.1 13, 148 6.1 A9, IB6, IP2, T3, TP33, UN1567 II ...... 6.1, 4.1 IB8, IP2, IP4, T3, (1) Symbols I ...... D Ammonia, anhydrous ...... Ammonia, anhydrous ...... 2.3 UN1005 2.2 ...... UN1005 2.3, 8 ...... 2.2 4, 379, N87, T50 ...... 13, 379, T50 None ...... None 304 ...... 304 314, 315 ...... 314, 315 Forbidden .. Forbidden Forbidden Forbidden D ...... D 40, 52, 57 ...... 40, 52, 57

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None ...... 212 ...... 241 ...... 15 kg ...... 50 kg ...... E ...... 13 151 ...... 212 ...... 151 ...... 241 ...... 213 ...... 15 kg ...... 241 ...... 50 kg ...... 25 kg ...... B ...... 100 kg ...... 13, 52, 85, B ...... 13, 52, 85, 151 ...... 213 ...... 241 ...... 25 kg152 ...... 212 100 kg ...... 242 A ...... 5 kg 13, 52, 85, ...... 25 kg ...... C ...... 13, 52, 66, 151 ...... 213 ...... None ...... 241 ...... 211 ...... 25 kg ...... 242 ...... 100 kg ...... 5 kg ...... A ...... 50 kg ...... 13, 52, 148 A ...... 40, 52 151 ...... 212 ...... 241 ...... 15 kgNone ...... 50kg 211 ...... E 242151 ...... Forbidden 13, 52, 148 212 ...... 241 15 kg ...... 15 kg B ...... 50 kg 13, 52, 148 ...... B ...... 13, 52, 148 TP33, W31. TP33, W31. TP33, W31, W40. TP33, W31. W100. TP33, W31, W40. T6, TP33, W31. TP33, W31, W40. IP1, N34, T9, TP7, TP33, W32. IP2, IP4, N34, T3, TP33, W31, W40. III ...... 4.3 ...... A1, A19, IB8, IP4, T1, II ...... 4.3 ...... A1, A8, B55, B59, IB7, 4.2 UN1855 I ...... 4.2 ...... W31 ...... None ...... 187 ...... None ...... Forbidden Forbidden D ..... 13, 148 4.2 UN1923 II ...... 4.2 ...... A19, A20, IB6, IP2, T3, 2.1 UN1010 ...... 2.1 ...... 387, T50 ...... 306 ...... 304 ...... 314, 315 .. Forbidden 150 kg ...... B ...... 25, 40 4.3 UN1403 III ...... 4.3 ...... A1, A19, IB8, IP4, T1, ******* ******* ******* ******* ******* ******* ******* ******* ******* ******* ******* ******* ******* Calcium al- Calcium hydro- loys, pyrophoric. sulfite. Butadienes and Hydrocarbon mix- ture, stabilized containing more than 40% butadienes . 0.1 percent of calcium carbide . Calcium phosphide ...... Calcium, pyrophoric or 4.3 UN1360 I ...... 4.3, 6.1 A8, A19, N40, W32 ..... None ...... 211 ...... 242 ...... Forbidden 15 kg ...... E ...... 13, 40, 52, Calcium hydride ...... 4.3 UN1404 I ...... 4.3 ...... A19, N40, W32 ...... None ...... 211 ...... 242 ...... Forbidden 15 kgCalcium silicide ...... E ...... 13, 52, 148 4.3 UN1405 II ...... 4.3 ...... A19, IB7, IP2, IP4, T3, Calcium manganese silicon ...... 4.3 Calcium peroxide UN2844 ...... III ...... 4.3 ...... 5.1 A1, A19, IB8, IP4, T1, UN1457 II ...... 5.1 ...... IB6, IP2, T3, TP33, Calcium cyanide ...... Calcium dithionite or 6.1 UN1575 I ...... 6.1 ...... IB7, IP1, N79, N80, Bromobenzyl cyanides, liquid ...... 6.1 UN1694 I ...... 6.1 ...... T14, TP2, TP13, W31 None ...... 201 ...... 243 ...... Forbidden 30 L ...... D ...... 12, 25, 40, Bromobenzyl cyanides, solid ...... 6.1 UN3449 I ...... 6.1 ...... T6, TP33, W31 ...... None ...... 211 ...... 242 ...... 5 kg ...... 50 kg ...... D ...... 12, 25, 40, Butadienes, stabilized or Butyl acrylates, stabilized ...... Butyl benzenes ...... 3 UN2348 IIIn-Butyl methacrylate, stabilized ...... 3 3 ...... UN2709 387, B1, IB3, T2, TP1 IIIButyl vinyl ether, stabilized ...... 150 3 3 ...... UN2227 203 B1, IB3, T2, TP2 ...... III ...... 1,2-Butylene oxide, stabilized ...... 242 150 ...... 3 ...... 3 ...... UN2352 60 L 203 387, B1, IB3, T2, TP1 ...... IICalcium ...... 220 L ...... 242 ...... 150 3 3 ...... C 60 L UN3022 ...... 203 387, IB2, T4, TP1 ...... II ...... 25 220 L ...... 4.3 242 ...... 150 ...... Calcium carbide 3 UN1401 ...... A. 60 L II 202 ...... 387, IB2, T4, TP1 ...... 220 L 4.3 242 ...... 150 ...... 4.3 C IB7, IP2, IP4, T3, 5 L ...... 202 UN1402 ...... 25 I 60 L 242 ...... 4.3 C 5 L ...... A1, A8, B55, B59, IB4, 25, 40 Calcium cyanamide with more than 60 L ...... C ...... 25, 27, 49

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Quantity limitations (see §§ 173.27 and aircraft/rail (8) (9) (10) (8) (9) Packaging (§ 173. ***) Exceptions Non-bulk Bulk Passenger None ...... 213 ...... 241 ...... 0.5 kg ...... 0.5 kg ...... A ...... 12, 25 None ...... 201 ...... 243 ...... Forbidden Forbidden D ...... 40, 78, 115 None ...... 227 ...... 244 ...... Forbidden Forbidden D ...... 25, 40 None ...... 212 ...... None ...... Forbidden 50 kg ...... A ...... 74 151 ...... 212 ...... None ...... 242 ...... 211 ...... 15 kg ...... 242 ...... 50 kg ...... Forbidden E ...... 15 kg ...... 13, 52, 148 D ...... 13, 52, 148 None ...... 212 ...... 242 ...... 5 kg ...... 25 kg ...... A ...... 66, 90 None ...... 212 ...... 240 ...... 15 kg ...... 50 kg ...... A ...... 13, 74, 91, None ...... 201 ...... 244 ...... Forbidden 1 L ...... D ...... 13, 21, 40, None ...... 212 ...... 242 ...... 15 kg ...... 50 kg ...... D ...... 13, 148 None ...... 201 ...... 243 ...... Forbidden 30 L ...... D ...... 25, 40 (§ 172.102) Special provisions W31. TP13, W31. B32, B77, T20, TP2, TP13, TP38, TP45. TP33, W31. TP33, W31, W40. N34, N40, W32. TP33, W31. W100. TP13, W31. W100. TP13. IB8, IP2, IP4, T3, 8. Label codes PG II ...... 8, 4.3 .... IB6, IP2, T3, TP33, Nos. Identi- fication 8 UN3096 I ...... 8, 4.3 .... IB4, IP1, T6, TP33 ...... None ...... 211 ...... 243 ...... 1 kg ...... 25 kg ...... D ...... 13, 148 6.1 UN1143 I ...... 6.1, 3 .... 2, 175, 387, B9, B14, 5.1 UN2626 II ...... 5.1 ...... IB2, T4, TP1, W31 ...... None ...... 229 ...... None ...... Forbidden Forbidden D ...... 56, 4.3 UN2988 I ...... 4.3, 3, 8 A2, T14, TP2, TP7, (3) (4) (5) (6) (3) (7) (8A) (8B) (8C) (10B) (9A) (10A) (9B) Hazard division class or .... 4.3 UN3078 II ...... 4.3 ...... A1, IB7, IP2, IP4, T3, ...... 4.1 UN1333 II ...... 4.1 ...... IB8, IP2, IP4, N34, ******* ******* ******* ******* ******* ******* ******* ******* ******* ******* ******* ******* ******* ******* ******* ******* Crotonaldehyde, or (2) Caesium ...... 4.3 UN1407 I ...... 4.3 ...... A7, A19, IB4, IP1, slabs, ingots, or rods turnings or gritty powder or and proper shipping names not more than 10 percent chloric acid . n.o.s. stabilized. mable, corrosive, n.o.s. Hazardous materials descriptions Carbon disulfide ...... Cerium, 3 UN1131 I ...... 3, 6.1 .... B16, T14, TP2, TP7, Cyanogen bromide ...... Cyanogen chloride, stabilized ...... 6.1 Cycloheptane UN1889 ...... 2.3 UN1589 I ...... 6.1, 8 ....Decaborane 2.3, 8 ...... A6, A8, T6, TP33, W31 1, 387 3 None ...... UN2241 None 211 II ...... 4.1 192 242 3 UN1868 ...... II 245 1 kg IB2, T4, TP2 ...... 4.1, 6.1 Forbidden 150 15 kg ...... 202 A19, A20, IB6, IP2, T3, D Forbidden ...... 242 40, 52 ...... D ...... 5 L ...... 25, 40 60 L ...... B ...... 40 Cerium, Cesium Chloric acid aqueous solution, with Chromium trioxide, anhydrous ...... 5.1 UN1463 II ...... 5.1, 6.1, Crotonaldehyde Chloroprene, stabilized ...... Chlorosilanes, water-reactive, flam- 3 UN1991 I ...... 3, 6.1 .... 387, B57, T14, TP2, (1) Symbols I ...... Carbon, activated ...... 4.2 UN1362 III ...... 4.2 ...... IB8, IP3, T1, TP33, G ...... Corrosive solids, water-reactive,

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...... Forbidden Forbidden D ...... 40 151 ...... 213 ...... 240 ...... 25 kg ...... 100 kg ...... A ...... 13, 40, 52, None ...... 211 ...... None ...... Forbidden 0.5 kg ...... D ...... 28, 36 150 ...... 202 ...... 242 ...... 5 L ...... 60 L ...... C ...... 25, 40 None ...... 201 ...... 244 ...... ForbiddenNone ...... 1 L ...... 226 ...... D ...... 244 ...... 21, 40, 49, Forbidden Forbidden151 ...... D 212 ...... 240 25, 40 ...... 15 kg ...... 50 kg ...... A ...... 13, 147, None ...... 211 ...... None ...... 1 kg ...... 15 kg ...... E ...... 28, 36 None ...... 211 ...... None ...... 1 kg ...... 15 kg ...... E ...... 28, 36 None ...... 201 ...... 243None ...... Forbidden 211 ...... 30 L 242 ...... 5 kg D ...... 40 50 kg ...... D ...... 40 None ...... 211 ...... None ...... 1 kg ...... 15 kg ...... E ...... 28, 36 None ...... 227 ...... 244 ...... Forbidden Forbidden D ...... 25, 26, 27, IP7, T1, TP33, W100. W31. TP13. TP2, TP7, TP13, W31. B77, N25, N32, T22, TP2, TP13, TP38, TP44. T3, TP33, W100. W31. W31. N34, T14, TP2, TP13, TP27, W31. W31. W31. T20, TP2, TP13, TP38, TP45. 4.3 UN1408 III ...... 4.3, 6.1 A1, A19, B6, IB8, IP4, 4.1 UN2852 I ...... 4.1 ...... 162, A2, N41, N84, 4.1 UN1322 I ...... 4.1 ...... 23, A8, A19, A20, N41, 4.1 UN1320 I ...... 4.1, 6.1 23, A8, A19, A20, N41, 4.1 UN1321 I ...... 4.1, 6.1 23, A8, A19, A20, N41, ******* ******* ******* ******* ******* ******* ******* ******* ******* ******* ******* ******* ******* ******* with 30 percent or more but less than 90 percent silicon . less than 15 percent water, by mass . than 10 percent water, by mass . less than 15 percent water, by mass . than 15 percent water, by mass . Ferrosilicon Dipropylamine ...... Divinyl ether, stabilized ...... 3 UN2383 IIEthyl acrylate, stabilized ...... 3, 8 3 ...... UN1167 387, IB2, T7, TP1 I ...... 150Ethyl methacrylate, stabilized 3 ...... 3 ...... UN1917 202 387, A7, T11, TP2 ...... II ...... 243 None ...... Ethylacetylene, stabilized 3 ...... 1 L ...... 201 3 387, IB2, T4, TP1, ...... UN2277 5 L 243 ...... II ...... Ethyldichlorosilane ...... B 2.1 1 L ...... 3 UN2452 ...... 25 30 L ...... 387, IB2, T4, TP1 ...... 2.1 4.3 ...... E 150 ...... UN1183 ...... 387, N88Ethyleneimine, stabilized ...... 25, 40 I 202 ...... None 4.3, 8, 3 ...... 242 ...... A2, A3, A7, N34, T14, 304 ...... 5 L ...... 6.1 314, 315 .. 60 L UN1185 ...... Forbidden I ...... CFerrocerium ...... 6.1, 3 150 kg .... 25 ...... 1, 387, B9, B14, B30, B ...... 25, 40 4.1 UN1323 II ...... 4.1 ...... 59, A19, IB8, IP2, IP4, Dinitroresorcinol, wetted with not Diphenylamine chloroarsine ...... Diphenylchloroarsine, liquid ...... 6.1 Diphenylchloroarsine, solid UN1698 ...... 6.1 UN1699 I ...... I ...... 6.1 ...... 6.1 6.1 ...... T6, TP33, W31Dipicryl sulfide, wetted with not less ...... UN3450 A8, B14, B32, N33, None I ...... 6.1 201 ...... IB7, IP1, T6, TP33, None Dinitrophenolates, wetted with not Diketene, stabilized ...... 6.1 UN2521 Dinitrophenol, wetted with not less I ...... 6.1, 3 .... 2, 387, B9, B14, B32,

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Quantity limitations (see §§ 173.27 and aircraft/rail (8) (9) (10) (8) (9) Packaging (§ 173. ***) Exceptions Non-bulk Bulk Passenger None ...... 213 ...... 240 ...... Forbidden Forbidden E ...... 13, 148 None ...... 195 ...... 244 ...... Forbidden Forbidden D ...... 25, 40 None ...... 212 ...... 241 ...... 15 kg ...... 50 kg ...... E ...... 74 None ...... 212 ...... 241 ...... Forbidden Forbidden B ...... 18, 25, 128 None ...... 212 ...... None ...... 241 ...... 213 ...... 15 kg ...... 241 ...... 50 kg ...... 25 kg ...... D ...... 100 kg ...... 13, 148 D ...... 13, 148 None ...... 213 ...... 241 ...... Forbidden Forbidden A. None ...... 213 ...... 241 ...... 25 kg ...... 100 kg ...... A ...... 13, 148 (§ 172.102) Special provisions T1, TP33, W100. B77, B82. N34, T3, TP33, W31, W40. IP4, T3, TP33, W31, W40. N34, T3, TP33, W31. TP33, W31. TP33, W31. IP4, IP7, W100. Label codes PG II ...... 4.2 ...... III ...... A19, A20, IB6, IP2, 4.2 ...... B135, IB8, IP4, T1, Nos. Identi- fication 4.2 UN1376 III ...... 4.2 ...... B18, B134, IB8, IP4, 4.2 UN1374 II ...... 4.2 ...... 155, A1, A19, IB8, IP2, 6.1 UN1614 I ...... 6.1 ...... 387...... 5, None ...... 195 ...... None ...... Forbidden Forbidden D ..... 25, 40 4.2 UN1373 III ...... 4.2 ...... 137, IB8, IP3, T1, 4.2 UN2793 III ...... 4.2 ...... A1, A19, B134, IB8, 6.1 UN1051 I ...... 6.1, 3 .... 1, 387, B35, B61, B65, 4.1 UN1326 II ...... 4.1 ...... A6, A19, A20, IB6, IP2, (3) (4) (5) (6) (3) (7) (8A) (8B) (8C) (10B) (9A) (10A) (9B) Hazard division class or Fish vege- ******* ******* ******* ******* ******* ******* ******* ******* ******* ******* Ferrous Iron sponge, Ferrous metal (2) Ferrous metal cuttings or Synthetic, n.o.s. with ani- Fabrics, animal or obtained from coal gas pu- or or and proper shipping names less than 3 percent water and ab- sorbed in a porous inert material . spent rification . less than 3 percent water . less than 25 percent water (a visi- ble excess of water must be present) (a) mechanically pro- duced, particle size less than 53 microns; (b) chemically produced, particle size less than 840 mi- crons . scrap, unstabilized. table mal or vegetable oil . in a form liable to self-heating . turnings metal shavings or Hazardous materials descriptions Isobutyl acrylate, stabilized ...... Isobutyl methacrylate, stabilized ...... 3 UN2527 III ...... 3 3 ...... UN2283 387, B1, IB3, T2, TP1 III ...... 150 3 ...... 203 387, B1, IB3, T2, TP1 ...... 242 ...... 150 ...... 60 L 203 ...... 220 L 242 ...... C 60 L ...... 25 220 L ...... C ...... 25 Hydrogen cyanide, stabilized, with Iron oxide, spent, or Heptanes ...... 3 UN1206 II ...... 3 ...... IB2, T4, TP2 ...... 150 ...... 202 ...... 242 ...... 5 L ...... 60 L ...... B. Hexanes ...... Hydrogen cyanide, stabilized with 3 UN1208 II ...... 3 ...... IB2, T4, TP2 ...... 150 ...... 202 ...... 242 ...... 5 L ...... 60 L ...... E. Hafnium powder, dry ...... 4.2 UN2545 Hafnium powder, wetted with not I ...... 4.2 ...... W31 ...... None ...... 211 ...... 242 ...... Forbidden Forbidden D ...... 13, 148 Fish meal, unstablized or Ferrous metal borings or (1) Symbols A W ...... Fibers

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151 ...... 212 ...... 241 ...... 15 kg ...... 50 kg ...... E ...... 13, 52, 148 151 ...... 212 ...... 241 ...... 15 kg ...... 50 kg ...... A ...... 13, 85, 150 ...... 202 ...... 243 ...... 1 L150 ...... 60 L 203 ...... 242 D ...... 60 L 40 ...... 220 L ...... A. None ...... 211 ...... 152 ...... 242 ...... 212 ...... Forbidden None ...... 15 kg 5 kg ...... E. 25 kg ...... C ...... 13, 52, 66, 151 ...... 211 ...... 244 ...... Forbidden 15 kg ...... D ...... 13, 52, 148 151 ...... 212 ...... 241 ...... 15 kg ...... 50 kg ...... E ...... 13, 40, 85, TP33, W31, W40. IP4, T3, TP33, W31, W40. TP2, TP13, TP27, W31. TP1, TP13, TP28, W31. W32. TP33, W100. N45, T9, TP7, TP33, W32. TP33, W31, W40. III ...... 3, 6.1 .... 5, A3, A7, IB3, T7, 9 UN3481 ...... 9 ...... 181, 422, A54 ...... 185 ...... 185 ...... 185 ...... 5 kg ...... 35 kg ...... A. 3 UN2478 II ...... 3, 6.1 .... 5, A3, A7, IB2, T11, 9 UN3091 ...... 9 ...... 9 UN3091 181, 422, A54, A101 ...... 185 ...... 9 ...... 185 ...... 181, 422, A54 ...... 185 ...... 185 ...... 5 kg ...... 185 ...... 35 kg 185 ...... A. 5 kg ...... 35 kg ...... A. 9 UN3480 ...... 9 ...... 422, A51, A54 ...... 9 185 ...... UN3481 185 ...... 9 185 ...... 9 ...... UN3090 181, 422, A54 5 kg ...... 185 35 kg 9 ...... 185 A. 422, A54 ...... 185 185 ...... 5 kg 185 ...... 35 kg 185 ...... Forbidden A. 35 kg ...... 9 UN3072 ...... None .... 182 ...... None ...... 219 ...... None ...... No limit ..... No limit ..... A ******* ******* ******* ******* ******* ******* ******* ******* ******* ******* ******* ******* including lithium ion including lithium ion including lithium alloy including lithium alloy containing dangerous Isocyanate solutions, flam- equipment batteries . batteries . ium ion polymer batteries . equipment polymer batteries . equipment polymer batteries . lithium alloy batteries . equipment or mable, toxic, n.o.s. flash point less than 23 degrees C . goods as equipment . flating Magnesium aluminum phosphide .... 4.3 UN1419 I ...... 4.3, 6.1 A19, N34, N40, W32 ... None ...... 211 ...... 242 ...... Forbidden 15 kg ...... E ...... 13, 40, 52, Lithium metal batteries packed with Lithium hydride ...... Lithium hydride, fused solid ...... 4.3 UN1414 4.3 Lithium ion batteries including lith- UN2805 I ...... II ...... 4.3 ...... Lithium ion batteries contained in 4.3 ...... A19, N40, W32 ...... A8, A19, A20, IB4, T3, None ...... Lithium ion batteries packed with 211 ...... 242 ...... ForbiddenLithium metal batteries including 15 kg ...... Lithium metal batteries contained in E ...... 13, 52, 148 Lithium silicon ...... 4.3 UN1417 II ...... 4.3 ...... A19, A20, IB7, IP2, Lithium nitride ...... Lithium peroxide ...... 4.3 UN2806 I ...... 5.1 UN1472 4.3 ...... II ...... A19, IB4, IP1, N40, 5.1 ...... A9, IB6, IP2, N34, T3, Isoprene, stabilized ...... Life-saving appliances, not self in- 3 UN1218 I ...... 3 ...... Lithium 387, T11, TP2 ...... 150 ...... 201 ...... 4.3 243 UN1415 ...... Lithium aluminum hydride I 1 L ...... 4.3 30 L ...... A7, A19, IB4, IP1, DLithium borohydride ...... 4.3 ...... UN1410 Lithium ferrosilicon 25 ...... I ...... 4.3 ...... 4.3 UN1413 A19, W32 4.3 ...... I UN2830 ...... None II ...... 4.3 ...... 211 4.3 ...... A19, N40, W32 ...... 242 A19, IB7, IP2, IP4, T3, ...... None ...... Forbidden 211 ...... 15 kg 242 ...... E Forbidden ...... 13, 52, 148 15 kg ...... E ...... 13, 52, 148 G ...... Isocyanates, flammable, toxic, n.o.s.

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Quantity limitations (see §§ 173.27 and aircraft/rail (8) (9) (10) (8) (9) Packaging (§ 173. ***) Exceptions Non-bulk Bulk Passenger 151 ...... 213 ...... 240 ...... 25 kg ...... 100 kg ...... A ...... 13, 39, 52, None ...... 212 ...... None ...... 241 ...... 213 ...... 15 kg ...... 241 ...... 50 kg ...... 25 kg ...... A ...... 100 kg ...... 13, 39, 52, A ...... 13, 39, 52, None ...... 211 ...... 242 ...... 5 kgNone ...... 187 50 kg ...... None ...... None A ...... 187 ...... None Forbidden 52 ...... 242 ...... 187 Forbidden ...... Forbidden 241 ...... C 50 kg ...... 25 kg ...... 13, 147, C 100 kg ...... 13, 147, C ...... 13, 147, 152 ...... 212 ...... 242 ...... 5 kg ...... 25 kg ...... C ...... 13, 52, 66, 151 ...... 212 ...... 241 ...... 15 kg ...... None 50 kg ...... 213 B ...... 151 ...... 242 ...... 13, 85, 213 ...... 25 kg ...... 242 ...... 100 kg 25 kg ...... A 100 kg ...... 13, 34, 148 B ...... 13, 25, 34, None ...... 212 ...... 151 ...... None ...... 212 ...... Forbidden 240 ...... 50 kg 15 kg ...... C. 50 kg ...... E. 151 ...... 213 ...... 240 ...... 25 kg ...... 100 kg ...... A ...... 13, 52, 148 151 ...... 213 ...... 240 ...... 25 kg ...... 100 kg ...... E. None ...... 212 ...... 241 ...... 15 kg ...... 50 kg ...... C ...... 13, 148 (§ 172.102) Special provisions TP33, W100. TP33, W31, W40. TP33, W31. T6, TP33, W31. W31. TP33, W31. T1, TP33, W31. W100. IP4, T3, TP33, W31, W40. TP33, W100. T1, TP33, W100. TP33, W31, W40. W31, W40. W31. TP33, W100. TP33, W31. Label codes PG II ...... 4.3, 4.2III ...... A19, B56, IB5, IP2, T3, 4.3, 4.2 A19, B56, IB8, IP4, T1, II ...... 4.2 ...... III ...... IB6, IP2, N34, T3, 4.2 ...... B135, IB8, IP4, N34, III ...... 4.1 ...... A1, IB4, T1, TP33, Nos. Identi- fication 4.2 UN1378 II ...... 4.2 ...... A2, A8, IB1, N34, T3, 4.3 UN2968 III ...... 4.3 ...... 54, A1, A19, IB8, IP4, 4.3 UN1418 I ...... 4.3, 4.2 A19, B56, W32 ...... None ...... 211 ...... 244 ...... Forbidden 15 kg ...... A ...... 13, 39, 52, 4.1 UN1869 III ...... 4.1 ...... A1, B134, IB8, IP4, T1, 4.2 UN2210 III ...... 4.2, 4.3 57, A1, A19, IB6, T1, 4.3 UN2950 III ...... 4.3 ...... A1, A19, IB8, IP4, T1, (3) (4) (5) (6) (3) (7) (8A) (8B) (8C) (10B) (9A) (10A) (9B) Hazard division class or ******* ******* ******* ******* ******* ******* ******* Magnesium Maneb prepara- Magnesium alloys (2) or Maneb preparations with or and proper shipping names tions, stabilized against self-heat- ing . alloys, powder. with more than 50 percent mag- nesium in pellets, turnings or rib- bons . excess of liquid . not less than 60 percent maneb . ticle size not less than 149 mi- crons . Hazardous materials descriptions Magnesium phosphide ...... Magnesium, powder or 4.3 UN2011 I ...... 4.3, 6.1 A19, N40, W32 ...... None ...... 211 ...... None ...... Forbidden 15 kg ...... E ...... 13, 40, 52, Magnesium peroxide ...... 5.1 UN1476 II ...... 5.1 ...... IB6, IP2, T3, TP33, Magnesium silicide ...... 4.3 UN2624 Maneb II ...... 4.3 ...... Maneb stabilized or A19, A20, IB7, IP2, Metal hydrides, flammable, n.o.s ..... 4.1 UN3182 II ...... 4.1 ...... A1, IB4, T3, TP33, Magnesium hydride ...... Magnesium 4.3 UN2010 I ...... 4.3 ...... A19, N40, W32 ...... None ...... 211 ...... 242 ...... Forbidden 15 kg ...... E ...... 13, 52, 148 Magnesium diamide ...... 4.2 Magnesium granules, coated, par- UN2004 II ...... 4.2 ...... A8, A19, A20, IB6, T3, (1) Symbols + ...... Mercuric potassium cyanide ...... G ...... 6.1 Metal catalyst, dry UN1626 ...... I ...... 6.1 ...... 4.2 IB7, IP1, N74, N75, UN2881 I ...... 4.2 ...... N34, T21, TP7, TP33, G ...... Metal catalyst, wetted with a visible

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None ...... 227 ...... 244 ...... Forbidden Forbidden D ...... 12, 25, 40 None ...... 212 ...... None ...... 242 ...... 213 ...... 15 kg150 ...... 242 ...... 202 50 kg ...... 25 kg154 ...... 243 E ...... 202 100 kg ...... 1 L ...... 13, 40, 148 ...... 242 E ...... 60 L ...... 1 L 13, 40, 148 ...... D ...... 30 L ...... 25, 40 C ...... 25, 40 150 ...... 202 ...... 242 ...... 5 L ...... 60 L ...... C ...... 25 None ...... 226 ...... 244 ...... Forbidden Forbidden B ...... 21, 25, 40, 151 ...... 212 ...... 151 ...... 242 ...... 213 ...... 15 kg ...... 241 ...... 50 kg ...... 25 kg ...... E ...... 100 kg ...... 13, 40, 148 E ...... 13, 40, 148 151 ...... 213 ...... 240 ...... 25 kg ...... 100 kg ...... B ...... 40 151 ...... 212 ...... 240 ...... 15 kg ...... 50 kg ...... B ...... 40 151 ...... 212 ...... None ...... 242 ...... 212 ...... 15 kgNone ...... 241 ...... 50 kg 213 ...... 15 kg151 ...... D 241 ...... 212 50 kg ...... 25 kg 13, 52, 148 151 ...... 240 C ...... 213 100 kg ...... 15 kg ...... 13, 148 ...... 240 C ...... 50 kg ...... 25 kg 13, 148 ...... B ...... 100 kg ...... 13, 74, B ...... 13, 74, T20, TP2, TP13, TP38, TP45. W32, W40. W32. TP13. TP18, TP30. TP13. T22, TP2, TP13, TP38, TP44. TP33, W31. W31, W40. W31. TP33, W31. T3, TP33, W31, W40. W31. TP33, W31. TP33, W100. TP33, W100. III ...... 4.3, 4.2 A7, IB8, IP4, T1, TP33, II ...... 4.3, 4.2 A7, IB5, IP2, T3, TP33, II ...... 4.3 ...... III ...... A7, IB7, IP2, IP4, T3, 4.3 ...... A7, IB8, IP4, T1, TP33, III ...... 4.1 ...... A1, IB8, IP3, T1, TP33, III ...... 4.2 ...... B135, IB8, IP4, T1, II ...... 4.3 ...... A19, IB4, N34, N40, III ...... 4.1 ...... IB8, IP2, IP4, T1, 3 UN1246 II ...... 3 ...... 387, IB2, T4, TP13 ...... UN1247 150 II ...... 202 3 ...... 242 387, IB2, T4, TP1 ...... 5 L 150 ...... 60 L 202 ...... 242 ...... 5 L ...... 60 L ...... C ...... 25, 40 2.1 UN1060 ...... 2.1 ...... 387, N88, T50 ...... 306 ...... 304 ...... 314, 315 .. Forbidden 150 kg ...... B ...... 25, 40 4.3 UN3209 I ...... 4.3, 4.2 A7, W32 ...... None ...... 211 ...... 242 ...... Forbidden 15 kg ...... E ...... 13, 40, 148 4.3 UN3208 I ...... 4.3 ...... A7, IB4, W32 ...... None ...... 211 ...... 242 ...... Forbidden 15 kg ...... E ...... 13, 40, 148 4.1 UN3181 II ...... 4.1 ...... A1, IB8, IP2, IP4, T3, ******* ******* ******* ******* ******* ******* ******* ******* ******* ******* ******* ******* mixtures, stabilized. bilized. bilized. self-heating, n.o.s. n.o.s. flammable, n.o.s. N-Methylaniline ...... Methylcyclohexane ...... 6.1 UN2294 III ...... 6.1 ...... 3 IB3, T4, TP2 ...... UN2296 153 II ...... 203 3 ...... 241 B1, IB2, T4, TP2 ...... 60 L 150 ...... 202 220 L ...... 242 A...... 5 L ...... 60 L ...... B. Methacrylaldehyde, stabilized ...... Methacrylic acid, stabilized ...... 3 UN2396 II ...... 8 UN2531 3, 6.1 .... II ...... 45, 387, IB2, T7, TP1, 8Methyl acetylene and propadiene ...... 41, 387, IB2, T7, TP1, Methyl acrylate, stabilized ...... Methyl isopropenyl ketone, sta- 3 UN1919 II ...... 3 ...... Methyl methacrylate monomer, sta- 387, IB2, T4, TP1, Methyl vinyl ketone, stabilized ...... 6.1 UN1251 I ...... 6.1, 3, 8 1, 387, B9, B14, B30, Metal powder, self-heating, n.o.s .... 4.2 Metal powders, flammable, n.o.s UN3189 ..... II ...... 4.2 ...... 4.1 IB6, IP2, T3, TP33, UN3089 II ...... 4.1 ...... IB8, IP2, IP4, T3, Metal hydrides, water reactive, n.o.s 4.3 UN1409 I ...... 4.3 ...... A19, N34, N40, W32 ... None ...... 211 ...... 242 ...... Forbidden 15 kg ...... D ...... 13, 52, 148 + ...... Methacrylonitrile, stabilized ...... 6.1 UN3079 I ...... 6.1, 3 .... 2, 387, B9, B14, B32, G ...... Metallic substance, water-reactive, G ...... Metallic substance, water-reactive, G ...... Metal salts of organic compounds,

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Quantity limitations (see §§ 173.27 and aircraft/rail (8) (9) (10) (8) (9) Packaging (§ 173. ***) Exceptions Non-bulk Bulk Passenger None ...... 202 ...... 243None ...... 1 L 203 ...... 5 L 242 ...... D 5 L ...... 13, 40, 52, 60 L ...... E ...... 13, 40, 52, None ...... 201 ...... 244 ...... Forbidden 1 L ...... D ...... 13, 40, 52, None ...... 158 ...... 242 ...... Forbidden 30 L ...... D ...... 44, 66, 74, None ...... 201 ...... 243 ...... Forbidden 1 L ...... D ...... 21, 40, 49, None ...... 211 ...... None ...... 1 kg ...... 15 kg ...... D ...... 28, 36 None ...... 211 ...... None ...... 1 kg ...... None 15 kg ...... 211 ...... E ...... None ...... 28, 36 Forbidden 15 kg ...... E ...... 28, 36 (§ 172.102) Special provisions TP7, TP36, TP47, W31. TP7, TP36, TP47, W31. TP47, W31. B53, IB2, IP15, T8, TP2. N34, T14, TP2, TP7, TP13, W31. W31. W31. N41, W31. Label codes PG II ...... 4.3 ...... IB1, IP2, T7, TP2, III ...... 4.3 ...... IB2, IP4, T7, TP2, Nos. Identi- fication 8 UN2031 II ...... 8 ...... A6, A212, B2, B47, 4.1 UN2557 II ...... 4.1 ...... 44, W31 ...... 151 ...... 212 ...... 240 ...... 1 kg ...... 15 kg ...... D ...... 28, 36 4.1 UN2556 II ...... 4.1 ...... W31 ...... 151 ...... 212 ...... None ...... 1 kg ...... 15 kg ...... D ...... 28, 36 4.1 UN1337 I ...... 4.1 ...... 23, A8, A19, A20, N41, 4.1 UN2555 II ...... 4.1 ...... W31 ...... 151 ...... 212 ...... None ...... 15 kg ...... 50 kg ...... E ...... 28, 36 4.1 UN1336 I ...... 4.1 ...... 23, A8, A19, A20, N41, 4.1 UN3376 I ...... 4.1 ...... 162, A8, A19, A20, 4.3 UN3398 I ...... 4.3 ...... T13, TP2, TP7, TP36, (3) (4) (5) (6) (3) (7) (8A) (8B) (8C) (10B) (9A) (10A) (9B) Hazard division class or ******* ******* ******* ******* ******* ******* ******* ******* ******* Picrite, without with not without pig- (2) with not more than with not less than 20 per- mixture with or and proper shipping names with more than 20 percent and less than 65 percent nitric acid . 12.6 percent nitrogen, by dry mass plasticizer, with or ment. less than 25 percent alcohol by mass, and with not more than 12.6 percent nitrogen, by dry mass . water-reactive. less than 25 percent water by mass . less than 30 percent water, by mass . than 20 percent water, by mass . wetted cent water, by mass . Hazardous materials descriptions Nitric acid other than red fuming, Methyldichlorosilane ...... 4.3 UN1242 I ...... 4.3, 8, 3 A2, A3, A7, B6, B77, Nitrocellulose, Nitrocellulose with alcohol not Nonanes ...... Octanes ...... 3 UN1920 III ...... 3 3 ...... UN1262 B1, IB3, T2, TP2 ...... II ...... 150 ...... 3 ...... 203 ...... IB2, T4, TP2 ...... 242 150 ...... 60 L 202 ...... 220 L 242 ...... A. 5 L ...... 60 L ...... B. Nitrocellulose with water not 4-Nitrophenylhydrazine, Nitrostarch, wetted with not less Nitroguanidine, wetted or (1) Symbols G ...... Organometallic substance, liquid,

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151 ...... 212 ...... 242 ...... 15 kg ...... 50 kg ...... B ...... 13, 74, 148 None ...... 212 ...... 240 ...... 15 kg ...... 50 kg ...... B ...... 13, 74, None ...... 212 ...... 241 ...... 15 kg ...... 50 kg ...... A. 151 ...... 212 ...... 151 ...... 242 ...... 213 ...... 15 kg ...... 241 ...... 50 kg ...... 25 kg151 ...... E ...... 100 kg 212 ...... 151 13, 40, 52, ...... 242 E ...... 213 ...... 15 kg 13, 40, 52, ...... 241 ...... 50 kg ...... 25 kgNone ...... E ...... 100 kg 212 ...... None 13, 40, 52, ...... 242 E ...... 213 ...... 15 kg 13, 40, 52, ...... 241 ...... 50 kg ...... 25 kgNone ...... E ...... 100 kg 211 ...... 13, 40, 52, 242 E ...... 5 kg 13, 40, 52, ...... 50 kg ...... B ...... 40 None ...... 212 ...... 242152 ...... 5 kg 213 ...... 25 kg 240 ...... C 25 kg ...... 13, 52, 66, 100 kg ...... C ...... 13, 52, 66, None ...... 211 ...... 242 ...... Forbidden 15 kgNone ...... E 211 ...... 13, 40, 52, 242 ...... Forbidden 15 kgNone ...... E 211 ...... 13, 40, 52, 242 ...... Forbidden 15 kg ...... E ...... 13, 40, 52, None ...... 212 ...... 240 ...... 15 kg ...... 50 kg ...... B ...... 13, 74, None ...... 202 ...... 243None ...... 1 L 203 ...... 5 L 242 ...... D 5 L ...... 13, 40, 52, 60 L ...... E ...... 13, 40, 52, None ...... 201 ...... 244 ...... Forbidden 1 L ...... D ...... 13, 40, 52, None ...... 212 ...... 240 ...... 15 kg ...... 50 kg ...... B ...... 74 TP33, W31, W40. TP33, W31. TP33, W31. TP47, W31. TP47, W31. TP47, W31. TP47, W31. TP47, W31. TP47, W31. N34, T6, TP33, W31. N34, T3, TP33, W100. IP4, N34, T1, TP33, W100. TP36, TP47, W31. TP36, TP47, W31. TP36, TP47, W31. TP33, W31. TP7, TP36, TP47, W31. TP7, TP36, TP47, W31. TP47, W31. TP33, W31. II ...... 4.3 ...... III ...... IB4, T3, TP33, TP36, 4.3 ...... IB6, T1, TP33, TP36, II ...... 4.3, 4.1III ...... IB4, T3, TP33, TP36, 4.3, 4.1 IB6, T1, TP33, TP36, II ...... 4.3, 4.2III ...... IB4, T3, TP33, TP36, 4.3, 4.2 IB6, T1, TP33, TP36, III ...... 5.1 ...... A7, A20, B134, IB8, II ...... 4.3, 3 .... IB1, IP2, T7, TP2, III ...... 4.3, 3 .... IB2, IP4, T7, TP2, UN1341 II ...... 4.1 ...... A20, IB4, N34, T3, 4.3 UN1340 II ...... 4.3, 4.14.1 A20, B59, IB4, T3, 4.1 UN1339 II ...... 4.1 ...... A20, IB4, N34, T3, 4.2 UN1379 III ...... 4.2 ...... IB8, IP3, W31 ...... None ...... 213 ...... 241 ...... Forbidden Forbidden A. 4.2 UN2940 II ...... 4.2 ...... A19, IB6, IP2, T3, 4.3 UN3395 I ...... 4.3 ...... N40, T9, TP7, TP33, 4.3 UN3396 I ...... 4.3, 4.1 N40, T9, TP7, TP33, 4.3 UN3397 I ...... 4.3, 4.2 N40, T9, TP7, TP33, 4.1 UN1343 II ...... 4.1 ...... A20, IB4, N34, T3, 4.3 UN3399 I ...... 4.3, 3 .... T13, TP2, TP7, TP36, or ******* ******* ******* ******* ******* ******* ******* ******* ******* ******* ******* ******* ******* yellow or white phosphorus . yellow or white phosphorus . yellow or white phosphorus . completely dried (including car- bon paper) . Cyclooctadiene phosphines. water-reactive. water-reactive, flammable. water-reactive, self-heating. low or white phosphorus . water-reactive, flammable. Phosphorus pentasulfide, free from Phosphorus sesquisulfide, free from Phosphorus heptasulfide, free from Osmium tetroxide ...... 6.1 Paper, unsaturated oil treated in- UN2471 I ...... 6.1 ...... A8, IB7, IP1, N33, Peroxides, inorganic, n.o.s ...... 5.1 UN1483 II ...... 5.1 ...... A7, A20, IB6, IP2, 9-Phosphabicyclononanes Phosphorus trisulfide, free from yel- G ...... Organometallic substance, solid, G ...... Organometallic substance, solid, G ...... Organometallic substance, solid, G ...... Organometallic substance, liquid,

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Quantity limitations (see §§ 173.27 and aircraft/rail (8) (9) (10) (8) (9) Packaging (§ 173. ***) Exceptions Non-bulk Bulk Passenger None ...... 212 ...... 241 ...... 15 kg ...... 50 kg ...... E ...... 13 None ...... 201 ...... 244 ...... Forbidden 1 L ...... E ...... 13, 40, 52, None ...... 188 ...... 243 ...... Forbidden Forbidden E. 151 ...... 211 ...... 244 ...... Forbidden 15 kg ...... D ...... None 52 ...... 211 ...... 242 ...... 5 kg ...... None 50 kg ...... 201 B ...... 243153 ...... 52 ...... 1 L 202 ...... 30 L 243 ...... 153 ...... B 5 L ...... 203 ...... 52 60 L 241 ...... B 60 L ...... 52 220 L ...... A ...... 52 (§ 172.102) Special provisions T3, TP33, W31. W31. TP3, TP31, W31. IB4, IP1, N6, N34, T9, TP7, TP33, W32. N74, N75, T6, TP33, W31. T14, TP2, TP13, W31. N75, T11, TP2, TP13, TP27, W31. N75, T7, TP2, TP13, TP28, W31. Label codes PG II ...... 6.1 ...... B69, B77, IB2, N74, III ...... 6.1 ...... B69, B77, IB3, N74, Nos. Identi- fication 9 UN3151 II ...... 9 ...... IB2 ...... 155 ...... 204 ...... 241 ...... 100 L ...... 220 L ...... A ...... 95 9 UN3152 II ...... 9 ...... IB8, IP2, IP4, T3, TP33 155 ...... 204 ...... 241 ...... 100 kg ...... 200 kg ...... A ...... 95 4.2 UN1929 II ...... 4.2 ...... A8, A19, A20, IB6, IP2, 4.2 UN1381 I ...... 4.2, 6.1 B9, B26, N34, T9, (3) (4) (5) (6) (3) (7) (8A) (8B) (8C) (10B) (9A) (10A) (9B) Hazard division class or Phos- Phos- ******* ******* ******* ******* ******* ******* ******* ******* ******* ******* Potassium Polyhalogenated Polyhalogenated (2) or or and proper shipping names Halogenated monomethyldiphenyl-methanes, liquid terphenyls, liquid. Halogenated monomethyldiphenyl-methanes, solid terphenyls, solid. hydrosulfite. phorus, white, under water or Phosphorus white, in solution or Phosphorus, yellow dry or phorus, yellow, under water or Phosphorus, yellow, in solution. Hazardous materials descriptions Potassium, metal alloys, liquid ...... 4.3 UN1420 I ...... 4.3 ...... A7, A19, A20, B27, Pine oil ...... alpha-Pinene ...... Polyhalogenated biphenyls, liquid or 3 UN1272 3 III UN2368 ...... III 3 ...... 3 B1, IB3, T2, TP2 ...... Polyhalogenated biphenyls, solid or B1, IB3, T2, TP2 150 ...... 150 203 ...... 203 242 ...... 242 60 L ...... 60 L 220 L ...... 220 L A...... A. Potassium borohydride ...... Potassium cyanide, solid ...... 4.3 UN1870 I ...... 4.3 6.1 ...... UN1680 A19, N40, W32 ...... Potassium cyanide solution I ...... None 6.1 ...... 211 B69, B77, IB7, IP1, ...... 6.1 242 ...... UN3413 Forbidden I ...... 6.1 15 kg ...... B69, B77, N74, N75, E ...... 13, 52, 148 Potassium dithionite or Potassium ...... 4.3 UN2257 I ...... 4.3 ...... A7, A19, A20, B27, Phosphorus, white dry or (1) Symbols

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427 ...... 427 ...... A ...... 95, 150 428. None ...... 187 ...... 242 ...... Forbidden Forbidden D ...... 13, 148 None ...... 212 ...... 241 ...... 15 kg ...... 50 kg ...... A ...... 52 None ...... 201 ...... 243 ...... None 1 L ...... 181 30 L ...... 244 D ...... Forbidden 25, 40 Forbidden D ...... 13, 78, 148 None ...... 211 ...... 242 ...... Forbidden 15 kg ...... D ...... 13, 52, 148 None ...... 211 ...... 244 ...... Forbidden 15 kg ...... D ...... 13, 52, 148 None ...... 211 ...... 244 ...... Forbidden 15 kg ...... D ...... 13, 52, 148 None ...... 201 ...... 244 ...... Forbidden 1 L ...... E ...... 13, 40, 52, W31. IP2, N34, T3, TP33, W31, W40. TP2, TP13. W31. N34, N40, N45, W32. T9, TP7, TP33, W32. IP1, T9, TP7, TP33, W32. N40, T9, TP3, TP7, TP31, W31. III ...... 4.2, 8 .... IB2, W31 ...... None ...... 203 ...... 241 ...... 5 L ...... 60 L ...... C. III ...... 4.2, 8 .... IB2, W31 ...... None ...... 203 ...... 241 ...... 5 L ...... 60 L ...... C. 7 UN2977 ...... 7, 6.1, 8 ...... 453 ...... 417, 420 .. 417, 420 ...... B ...... 40, 95, 132 7 UN3322 ...... 7 ...... A56, T5, TP4, W7 ...... 421, 422, 7 UN2978 ...... 7, 6.1, 8 ...... 423 ...... 420, 427 .. 420, 427 ...... B ...... 40, 95, 132 4.2 UN1383 I ...... 4.2 ...... B11, T21, TP7, TP33, 4.2 UN3188 II ...... 4.2, 8 .... IB2, W31 ...... None ...... 202 ...... 243 ...... 1 L ...... 5 L ...... C. 4.2 UN3185 II ...... 4.2, 8 .... IB2, W31 ...... None ...... 202 ...... 243 ...... 1 L ...... 5 L ...... 4.2 UN1382 II ...... 4.2 ...... A19, A20, B16, IB6, Po- ******* ******* ******* ******* ******* ******* ******* ******* ******* ******* ******* ******* ******* ******* ******* non fissile or fissile- activity (LSA–III) non fissile or fissile excepted . Pyrophoric alloys, n.o.s. hexafluoride excepted . hexafluoride, fissile. ganic, n.o.s. ganic, n.o.s. tassium sulfide with less than 30 percent water of crystallization . Radioactive material, low specific Potassium superoxide ...... 5.1 Propadiene, stabilized UN2466 ...... I ...... 5.1 ...... Propellant, solid ...... 2.1 A20, IB6, IP1 ...... UN2200 None ...... 1.4C Propylene tetramer 2.1 ...... 211 UN0501 ...... II 387 None ...... 1.4C NonePropyleneimine, stabilized Forbidden ...... 3 304 ...... 15 kg UN2850 ...... None 314, 315 ...... III .. D ...... 62 Forbidden ...... 3 3 ...... 13, 52, 66, UN1921 None B1, IB3, T2, TP2 ...... 150 kg I ...... Forbidden 150 B 3, 6.1 ...... 75 kg 203 387, A3, N34, T14, 25, 40 ...... 242 2 ...... 60 L 25 ...... 220 L ...... A. Radioactive material, uranium Radioactive material, uranium Rubidium ...... 4.3 UN1423 I ...... 4.3 ...... 22, A7, A19, IB4, IP1, Potassium sodium alloys, solid ...... Potassium sulfide, anhydrous or 4.3 UN3404 I ...... 4.3 ...... A19, B27, N34, N40, Potassium, metal alloys, solid ...... 4.3 UN3403 I ...... 4.3 ...... A19, A20, B27, IB4, Potassium phosphide ...... 4.3 UN2012 I ...... 4.3, 6.1 A19, N40, W32 ...... None ...... 211 ...... None ...... Forbidden 15 kg ...... E ...... 13, 40, 52, Potassium sodium alloys, liquid ...... 4.3 UN1422 I ...... 4.3 ...... A7, A19, B27, N34, G ...... G Pyrophoric solid, inorganic, n.o.s ...... Pyrophoric solids, organic, n.o.s ..... 4.2 UN3200 4.2 I UN2846 ...... I 4.2 ...... 4.2 T21, TP7, TP33, W31 ...... W31 ...... None ...... None ...... 187 ...... 187 ...... 242 ...... 242 ...... Forbidden Forbidden Forbidden Forbidden D ...... D ...... 13, 148 13, 148 G ...... Pyrophoric metals, n.o.s., or G ...... Pyrophoric liquids, organic, n.o.s .... 4.2 UN2845 I ...... 4.2 ...... B11, T22, TP2, TP7, G ...... Self-heating liquid, corrosive, inor- G ...... Self-heating liquid, corrosive, or-

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Quantity limitations (see §§ 173.27 and aircraft/rail (8) (9) (10) (8) (9) Packaging (§ 173. ***) Exceptions Non-bulk Bulk Passenger None ...... 213 ...... 241 ...... 25 kg ...... 100 kg ...... C. 151 ...... 211 ...... 244 ...... Forbidden 15 kg151 ...... D 212 ...... 13, 52, 148 242 ...... Forbidden 50 kg ...... ENone ...... 13, 52, 148 211 ...... None ...... 242 ...... 201 ...... 5 kg ...... 243153 ...... 50 kg ...... 1 L 202 ...... B ...... 30 L 243 ...... 153 52 ...... B 5 L ...... 203 ...... 52 60 L 241 ...... B 60 L ...... None 52 220 L ...... 211 A ...... None 52 ...... 0.5 kg ...... 0.5 kg ...... E ...... 28, 36 None ...... 212 ...... 241 ...... 15 kg ...... 50 kg ...... C. None ...... 212 ...... None ...... 241 ...... 213 ...... 15 kg ...... 241 ...... 50 kg ...... 25 kg ...... C. 100 kg ...... C. (§ 172.102) Special provisions T1, TP33, W31. B48, B68, IB4, IP1, N34, T9, TP7, TP33, TP46, W32. TP33, W31, W40. N75, T6, TP33, W31. T14, TP2, TP13, W31. N75, T11, TP2, TP13, TP27, W31. N75, T7, TP2, TP13, TP28, W31. N84, W31. W31. W31. W31. Label codes PG III ...... 4.2 ...... IB2, W31 ...... None ...... 203 ...... 241 ...... 5 L ...... 60 L ...... C. II ...... 6.1 ...... B69, B77, IB2, N74, III ...... 6.1 ...... B69, B77, IB3, N74, III ...... 4.2 ...... B116, B130, IB8, IP3, III ...... 4.2 ...... IB2, W31III ...... None 4.2, 6.1 ...... 203 ...... IB2, W31III ...... 241 ...... None 4.2, 6.1 ...... 5 L ...... 203 IB2, W31 ...... 60 L ...... 241 None ...... C. III 5 L ...... 203 ...... 4.2 60 L ...... 241 ...... IB8, IP3, T1, TP33, C. 5 L ...... 60 L ...... C. Nos. Identi- fication 4.1 UN1347 I ...... 4.1 ...... W31...... 23, None ...... 211 ...... None ...... Forbidden Forbidden D ...... 4.1 UN3369 I ...... 4.1 ...... 162, A8, A19, N41, 4.2 UN3187 II ...... 4.2, 6.14.2 UN3184 IB2, W31 II ...... None 4.2, 6.1 ...... 202 IB2, W31 ...... 243 None ...... 1 L 202 ...... 5 L 243 ...... C. 1 L ...... 5 L ...... (3) (4) (5) (6) (3) (7) (8A) (8B) (8C) (10B) (9A) (10A) (9B) Hazard division class or ******* ******* ******* ******* ******* ******* ******* ******* ******* (2) and proper shipping names than 30 percent water, by mass . with not less than 10% water, by mass . n.o.s. n.o.s. Hazardous materials descriptions Silver picrate, wetted with not less Sodium ...... 4.3 UN1428 I ...... Sodium aluminum hydride 4.3 ...... A7, A8, A19, A20, B9, 4.3 Sodium borohydride UN2835 ...... II ...... 4.3 ...... Sodium cyanide, solid ...... 4.3 A8, A19, A20, IB4, T3, UN1426 Sodium cyanide solution I ...... 4.3 6.1 ...... UN1689 N40, W32 ...... I ...... 6.1 None UN3414 6.1 ...... I 211 ...... B69, B77, IB7, N74, ...... 6.1 242 ...... B69, B77, N74, N75, Forbidden 15 kg ...... ESodium dinitro-o-cresolate, wetted ...... 13, 52, 148 (1) Symbols G ...... Self-heating liquid, inorganic, n.o.s 4.2 UN3186 II ...... 4.2 ...... IB2, W31 ...... None ...... 202 ...... 242 ...... 1 L ...... 5 L ...... C. G ...... Self-heating solid, organic, n.o.s ..... 4.2 UN3088 II ...... 4.2 ...... IB6, IP2, T3, TP33, G ...... Self-heating liquid, organic, n.o.s. ... 4.2 UN3183 II ...... 4.2 ...... IB2, W31 ...... G ...... None ...... Self-heating solid, inorganic, n.o.s 202 ...... 242 ...... 1 L ...... 4.2 UN3190 5 L ...... II ...... C. 4.2 ...... IB6, IP2, T3, TP33, G ...... Self-heating liquid, toxic, inorganic, G ...... Self-heating liquid, toxic, organic,

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211 ...... 242 ...... Forbidden Forbidden D ...... 40 ...... 201 ...... None ...... Forbidden Forbidden D ...... 40 None ...... 212 ...... 242 ...... Forbidden 25 kg ...... D ...... 40 None ...... 212 ...... 241 ...... 15 kg ...... 50 kg ...... D. None ...... 212 ...... 241 ...... 15 kg ...... 50 kg ...... A ...... 52 None ...... 227 ...... 244 ...... Forbidden Forbidden A ...... 25, 40 152 ...... 212 ...... 242 ...... 5 kg ...... 25 kg ...... C ...... 13, 52, 66, None ...... 212 ...... 241 ...... None 15 kg ...... 212 50 kg ...... 242 A ...... 15 kg 52 ...... 50 kg ...... B. None ...... 212 ...... 241 ...... 15 kg ...... 50 kg ...... E ...... 13 None ...... 211 ...... None ...... 1 kg ...... 15 kg ...... E ...... 28, 36 TP33, W31. W31. N34, T3, TP33, W31, W40. B49, B77, N34, T20, TP4, TP13, TP25, TP26, TP38, TP45. W100. T3, TP33, W31. TP33, W31. TP33, W31. W31. II ...... 6.1 ...... II ...... IB2, W31 ...... 6.1 ...... None ...... IB8, IP2, IP4, T3, 202 ...... None ...... Forbidden 5 L ...... D ...... 40 4.2 UN2318 II ...... 4.2 ...... A7, A19, A20, IB6, IP2, 4.2 UN1384 II ...... 4.2 ...... A19, A20, IB6, IP2, T3, 4.1 UN1349 I ...... 4.1 ...... 23, A8, A19, N41, W31 None ...... 211 ...... None ...... Forbidden 15 kg ...... E ...... 28, 36 4.2 UN1385 II ...... 4.2 ...... A19, A20, IB6, IP2, 4.1 UN1348 I ...... 4.1, 6.1 23, A8, A19, A20, N41, So- ******* ******* ******* ******* ******* ******* ******* ******* ******* ******* ******* ******* ******* ******* ******* ******* ******* ******* ******* Sodium hydro- less than 20 percent water, by mass . dium sulfide with less than 30 percent water of crystallization . 25 percent water of crystallization . sulfite. with not less than 15 percent water, by mass . Tetrafluoroethylene, stabilized ...... 4-Thiapentanal ...... 2.1 UN1081 ...... Thiourea dioxide 2.1 ...... 6.1 UN2785 387 ...... III ...... 306 ...... 6.1 4.2 ...... 304 UN3341 ...... IB3, T4, TP1, W31 ...... II None ...... 153 ...... 4.2 Forbidden ...... 203 ...... IB6, IP2, T3, TP33, 150 kg 241 ...... E 60 L ...... 25, 40 220 L ...... D ...... 25, 49 Stannic phosphide ...... 4.3 UN1433 I ...... Strontium phosphide ...... 4.3, 6.1 A19, N40, W32 ...... None 4.3 ...... UN2013 211 I ...... 242 4.3, 6.1 ...... Forbidden A19, N40, W32 ...... 15 kg None ...... E 211 ...... 13, 40, 52, None ...... Forbidden 15 kg ...... E ...... 13, 40, 52, Strontium peroxide ...... 5.1 UN1509 II ...... Styrene monomer, stabilized 5.1 ...... IB6, IP2, T3, TP33, 3 UN2055 III ...... 3 ...... 387, B1, IB3, T2, TP1 150 ...... 203 ...... 242 ...... 60 L ...... 220 L ...... C ...... 25 Sodium methylate ...... 4.2 Sodium phosphide UN1431 ...... II ...... 4.2, 8 .... 4.3 A7, A19, IB5, IP2, T3, UN1432 I ...... 4.3, 6.1 A19, N40, W32 ...... None ...... 211 ...... None ...... Forbidden 15 kg ...... E ...... 13, 40, 52, Sodium picramate, wetted with not Sodium sulfide, anhydrous or Sodium hydride ...... Sodium hydrosulfide, with less than 4.3 UN1427 I ...... 4.3 ...... A19, N40, W32 ...... None ...... 211 ...... 242 ...... Forbidden 15 kg ...... E ...... 13, 52, 148 Sodium dithionite or Sodium dinitro-o-cresolate, wetted + ...... Sulfur trioxide, stabilized ...... 8 G UN1829 ...... I Tear gas substances, liquid, n.o.s ...... 8, 6.1 .... 2, 387, B9, B14, B32, 6.1 UN1693 I ...... 6.1 ...... W31 ...... None . G ...... Tear gas substance, solid, n.o.s ..... 6.1 UN3448 I ...... 6.1 ...... T6, TP33, W31 ...... None ......

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Quantity limitations (see §§ 173.27 and aircraft/rail (8) (9) (10) (8) (9) Packaging (§ 173. ***) Exceptions Non-bulk Bulk Passenger None ...... 211 ...... None ...... 0.5 kg ...... 0.5 kg ...... E ...... 28, 3 None ...... 226 ...... 244 ...... Forbidden Forbidden D ...... 13, 21, 40, None ...... 213 ...... 240 ...... 25 kg ...... 100 kg ...... D ...... 13, 74, None ...... 201 ...... 244 ...... Forbidden Forbidden D ...... 21, 40, 49, None ...... 212 ...... 240 ...... 15 kg ...... 50 kg ...... E ...... 74 None ...... 213 ...... 241 ...... None 25 kg ...... 213 100 kg ...... None ...... 241 D...... 212 ...... 25 kg ...... 241None ...... 100 kg ...... 15 kg 212 ...... A. 50 kg 241 ...... None ...... E. 15 kg 213 ...... 50 kg 241 ...... D 25 kg ...... 13, 148 100 kg ...... D ...... 13, 148 (§ 172.102) Special provisions N84, W31. TP2, TP13, TP27, TP38, TP44. TP33, W100. TP13, W31. N34, T3, TP33, W31, W40. W31. W31. T3, TP33, W31, W40. N5, N34, T3, TP33, W31. TP33, W31. 1, B9, B14, B30, T22, 3. Label codes PG III ...... 4.2 ...... IB8, IP3, T1, TP33, II ...... 4.2 ...... A19, A20, IB6, IP2, III ...... 4.2 ...... B135, IB8, IP4, T1, Nos. Identi- fication 4.1 UN2878 III ...... 4.1 ...... A1, B134, IB8, IP4, T1, 4.2 UN2441 I ...... 4.2, 8 .... N34, W31 ...... 6.1 UN3490 I None ...... 4.3, 6.1, 181 ...... 244 ...... Forbidden Forbidden D ...... 13, 40, 148 2.3 UN1082 ...... 2.3, 2.1 3, 387, B14, T50 ...... None ...... 304 ...... 314, 315 .. Forbidden Forbidden D ...... 25, 4 0 4.1 UN3367 I ...... 4.1 ...... 162, A8, A19, N41, 4.1 UN1352 II ...... 4.1 ...... A19, A20, IB6, IP2, (3) (4) (5) (6) (3) (7) (8A) (8B) (8C) (10B) (9A) (10A) (9B) Hazard division class or Tita- ******* ******* ******* ******* ******* ******* ******* ******* ******* ******* (2) and proper shipping names Titanium trichloride mixtures, pyrophoric. active, flammable, n.o.s. with an LC50 lower than or equal to 200 ml/m3 and saturated vapor con- centration greater than or equal to 500 LC50 . Refrigerant gas R 1113. less than 10% water, by mass . nium sponge powders. less than 25 percent water (a visi- ble excess of water must be present) (a) mechanically pro- duced, particle size less than 53 microns; (b) chemically produced, particle size less than 840 mi- crons . Hazardous materials descriptions Titanium trichloride, pyrophoric or Trifluorochloroethylene, stabilized or Trichlorosilane ...... 4.3 UN1295 I ...... 4.3, 3, 8 N34, T14, TP2, TP7, 1,3,5-Trimethylbenzene ...... Trinitrobenzene, wetted, with not 3 UN2325 III ...... 3 ...... B1, IB3, T2, TP2 ...... 150 ...... 203 ...... 242 ...... 60 L ...... 220 L ...... A. Titanium sponge granules or Titanium disulphide ...... Titanium hydride ...... 4.2 Titanium powder, dry UN3174 ...... III ...... 4.1 UN1871 4.2 ...... II ...... 4.2 IB8, IP3, T1, TP33, UN2546 4.1 ...... I ...... A19, A20, IB4, N34, Titanium powder, wetted with not 4.2 ...... W31 ...... None ...... 211 ...... 242 ...... Forbidden Forbidden D ...... 13, 148 (1) Symbols G ...... Toxic by inhalation liquid, water-re- G ...... Toxic solids, water-reactive, n.o.s ... 6.1 UN3125 I ...... 6.1, 4.3 A5, T6, TP33, W100 ... None ...... 211 ...... 242 ...... 5 kg ...... 15 kg ...... D ...... 13, 40, 148

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.1 kg...... 314, 315 .. Forbidden 150 kg ...... C ...... 25, 40 None ...... 211 ...... None ...... 1 kg ...... 15 kg ...... E ...... 28, 36 None ...... 211 ...... None ...... 0.5 kg ...... 0.5 kg ...... E ...... 28, 36 None ...... 211 ...... None ...... 0.5 kg ...... 0.5 kg ...... E ...... 28, 36 None ...... 211 ...... None ...... 0.5 kg ...... 0.5 kg ...... E ...... 28, 36 None ...... 211 ...... None ...... 1 kg ...... 15 kg ...... E ...... 28, 36 None ...... 211 ...... None ...... 0.5 kg ...... 0.5 kg ...... E ...... 28, 36 None ...... 211 ...... None ...... 0.5 kg ...... 0.5 kg ...... E ...... 28, 36 None ...... 211 ...... None ...... None ...... 211 ...... 0.5 kg ...... None ...... 0.5 kg ...... 0.5 kg ...... E ...... 0.5 kg ...... 28, 36 E ...... 28, 36 None ...... 211 ...... None ...... 0.5 kg ...... 0.5 kg ...... E ...... 28, 36 306 ...... 304 ...... 314, 315 .. Forbidden 150 kg ...... B ...... 25, 40 W31. N84, W31. W31. N84, W31. W31. W31. N84, W31. N84, W31. W31. W31. T50. III ...... 3 ...... B1, IB3, T2, TP2 ...... 150 ...... 203 ...... 242 ...... 60 L ...... 220 L ...... A. 4.1 UN1357 I ...... 4.1 ...... 23, 39, A8, A19, N41, 4.1 UN1344 I ...... 4.1 ...... 162, A8, A19, N41, 6.1 UN3507 I ...... 6.1, 7, 8 369 ...... 420 ...... 4.1 None UN3370 ...... I None ...... 4.1 Less than ...... 162, A8, A19, N41, 4.1 UN1356 I ...... 4.1 ...... 23, A2, A8, A19, N41, 4.1 UN3366 I ...... 4.1 ...... 162, A8, A19, N41, 4.1 UN3368 I ...... 4.1 ...... 162, A8, A19, N41, 4.1 UN1355 I ...... 4.1 ...... 23, A2, A8, A19, N41, 4.1 UN3364 I ...... 4.1 ...... 23, A8, A19, N41, N84, 4.1 UN3365 I ...... 4.1 ...... 162, A8, A19, N41, 4.1 UN1354 I ...... 4.1 ...... 23, A2, A8, A19, N41, TNT, ******* ******* ******* ******* ******* ******* ******* ******* ******* ******* ******* ******* ******* ******* ******* ******* ******* ******* ...... 3 UN2838 II ...... 3 ...... 387, IB2, T4, TP1 ...... 150 ...... 202 ...... 242 ...... 5 L ...... 60 L ...... C ...... 25 with not less than 30 per- than 20 percent water, by mass . material, excepted package, less than 0.1 kg per package, non- fissile or fissile-excepted . than 10 percent water by mass . wetted, cent water by mass . not less than 10 percent water by mass . than 30 percent water, by mass . with not less than 10 percent water by mass . less than 30 percent water, by mass . ride), wetted, with not less than 10% water by mass . less than 10% water by mass . less than 30 percent water, by mass . Vinyl acetate, stabilized ...... Vinyl bromide, stabilized ...... 3 2.1 UN1301 UN1085 II ...... 2.1 3 ...... 387, N86, T50 387, IB2, T4, TP1 ...... 306 150 ...... 304 202 ...... 242 ...... 5 L ...... 60 L ...... C ...... 25 Vinyl butyrate, stabilized Urea nitrate, wetted with not less Tripropylene ...... Turpentine 3 ...... UN2057 II ...... Uranium hexafluoride, radioactive 3 ...... 3 IB2, T4, TP2 ...... UN1299 150 III ...... 202 3 ...... 242 B1, IB3, T2, TP2 ...... Urea nitrate, wetted, with not less 5 L 150 ...... 60 L 203 ...... B. 242 ...... 60 L ...... 220 L ...... A. Trinitrotoluene, wetted or Trinitrotoluene (TNT), wetted, with Trinitrophenol, wetted with not less Trinitrophenol (picric acid), wetted, Trinitrobenzoic acid, wetted with not Trinitrochlorobenzene (picryl chlo- Trinitrobenzoic acid, wetted with not Trinitrobenzene, wetted with not Vinyl ethyl ether, stabilized ...... Vinyl fluoride, stabilized ...... Vinyl isobutyl ether, stabilized ...... Vinyl methyl ether, stabilized ...... 3 2.1 UN1302 UN1860 I ...... 3 2.1 UN1304 3 UN1087 2.1 ...... II ...... 387, A3, T11, TP2 387, N86 ...... 2.1 3 ...... None 306 ...... 387, B44, T50 387, IB2, T4, TP1 ...... 304 201 ...... 306 150 ...... 314, 315 243 ...... 304 202 ...... Forbidden 1 L ...... 314, 315 242 ...... 30 L 150 kg Forbidden ...... 5 L ...... D E ...... 60 L 150 kg ...... 25 25, 40 C B ...... 25 25, 40 Vinyl chloride, stabilized ...... 2.1 UN1086 ...... 2.1 ...... 21, 387, B44, N86, Vinylidene chloride, stabilized ...... 3 UN1303 I ...... 3 ...... 387, T12, TP2, TP7 .... 150 ...... 201 ...... 243 ...... 1 L ...... 30 L ...... D ...... 25, 40

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Quantity limitations (see §§ 173.27 and aircraft/rail (8) (9) (10) (8) (9) Packaging (§ 173. ***) Exceptions Non-bulk Bulk Passenger 151 ...... 212 ...... 151 ...... 242 ...... 213 ...... 15 kg ...... 241 ...... 50 kg ...... 25 kgNone ...... E ...... 100 kg 212 ...... None 13, 85, 148 ...... 241 E ...... 213 ...... 15 kg 13, 85, 148 ...... 241 ...... 50 kg ...... 25 kgNone ...... D ...... 340 100 kg ...... 40 None D ...... Forbidden 40 60 L ...... D ...... 40 None ...... 211 ...... 242 ...... Forbidden 15 kg ...... D ...... 13, 148 None ...... 212 ...... None ...... 242 ...... 213 ...... 15 kg ...... 241 ...... 50 kg ...... 25 kg ...... E ...... 100 kg ...... 13, 148 E ...... 13, 148 151 ...... 212 ...... 242 ...... 15 kg ...... 50 kg ...... E ...... 13, 148 None ...... 211 ...... 151 ...... 242 ...... 212 ...... Forbidden151 ...... 242 ...... 213 15 kg ...... 15 kg ...... 241 ...... E 50 kg ...... 25 kg ...... 13, 40, 148 E ...... 100 kg ...... 13, 40, 148 E ...... 13, 40, 148 151 ...... 212 ...... 151 ...... 242 ...... 213 ...... 15 kg ...... 241 ...... 50 kg ...... 25 kg ...... E ...... 100 kg ...... 13, 85, 148 E ...... 13, 85, 148 None ...... 211 ...... 242 ...... Forbidden 15 kg ...... D ...... 13, 148 None ...... 201 ...... None ...... 244 ...... 202 ...... None Forbidden ...... 243 ...... 203 1 L ...... 1 L ...... 242 E ...... 5 L ...... 5 L 13, 40, 148 ...... E ...... 60 L ...... 13, 40, 148 E ...... 13, 40, 148 153 ...... 202 ...... 243 ...... 1 L ...... 30 L ...... B ...... 21, 25, 40, (§ 172.102) Special provisions W31, W40. W31. W31. W31. T7, TP2, TP13, W31. W31. W31, W40. W31. W40. TP33, W32. T3, TP33, W31, W40. TP33, W31. W31, W40. W31. TP7, TP33, W31. W31. W31. W31. TP13. Label codes PG III ...... 4.3, 6.1 IB8, IP4, T1, TP33, III ...... 4.2 ...... IB8, IP3, T1, TP33, II ...... 4.3, 6.1 IB5, IP2, T3, TP33, II ...... 4.3, 4.2 IB5, IP2, T3, TP33, III ...... 4.3, 4.1 IB6, T1, TP33, W31 .... 151 ...... 213 ...... 241 ...... 25 kg ...... 100 kg ...... E ...... 13, 148 II ...... 4.3, 4.1 IB4, T3, TP33, W31, II ...... 4.3 ...... III ...... B132, IB7, IP2, IP4, 4.3 ...... B132, IB8, IP4, T1, III ...... 4.3, 8 .... IB8, IP4, T1, TP33, II ...... 4.3, 8 .... IB6, IP2, T3, TP33, II ...... 4.3 ...... III ...... IB1, T7, TP2, TP7, 4.3 ...... IB2, T7, TP2, TP7, Nos. Identi- fication ...... III ...... 4.3, 4.2 IB8, IP4, T1, TP33, 4.3 UN3135 I ...... 4.3, 4.2 N40, W31 ...... None ...... 211 ...... 242 ...... Forbidden 15 kg ...... E ...... 13, 148 4.3 UN3132 I ...... 4.3, 4.1 IB4, N40, W31 ...... None ...... 211 ...... 242 ...... Forbidden 15 kg ...... D ...... 13, 148 4.3 UN3131 I ...... 4.3, 8 .... IB4, IP1, N40, T9, (3) (4) (5) (6) (3) (7) (8A) (8B) (8C) (10B) (9A) (10A) (9B) Hazard division class or ******* ******* ******* ******* ******* ******* (2) and proper shipping names n.o.s. n.o.s. n.o.s. Hazardous materials descriptions Xanthates ...... 4.2 UN3342 II ...... Xylyl bromide, liquid ...... 4.2 ...... IB6, IP2, T3, TP33, 6.1 UN1701 II ...... 6.1 ...... A3, A6, A7, IB2, N33, Vinyltoluenes, stabilized ...... 3 UN2618 III ...... 3 ...... 387, B1, IB3, T2, TP1 150 ...... 203 ...... 242 ...... 60 L ...... 220 L ...... C ...... 25 Vinylpyridines, stabilized ...... 6.1 UN3073 II ...... 6.1, 3, 8 387, IB1, T7, TP2, (1) Symbols G ...... Water-reactive solid, toxic, n.o.s ..... 4.3 UN3134 I ...... 4.3, 6.1 A8, IB4, IP1, N40, G ...... Water-reactive solid, self-heating, G ...... Water-reactive solid, n.o.s ...... 4.3 UN2813 I ...... 4.3 ...... IB4, N40, T9, TP7, G ...... Water-reactive solid, flammable, G ...... Water-reactive solid, corrosive, G ...... Water-reactive liquid, n.o.s ...... 4.3 UN3148 I ...... 4.3 ...... T13, TP2, TP7, TP41,

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None ...... 213 ...... 240 ...... Forbidden Forbidden D ...... 13, 148 None ...... 212 ...... 241 ...... 15 kg ...... 50 kg ...... E ...... 13, 74, None ...... 212 ...... 241None ...... 15 kg 213 ...... 50 kg 241 ...... D 25 kg ...... 13, 148 100 kg ...... D ...... 13, 148 None ...... 212 ...... 240 ...... 15 kg ...... 50 kg ...... E. None ...... 213 ...... 242 ...... 25 kg ...... 100 kg ...... A ...... 13, 52, 53, None ...... 212 ...... 242 ...... 15 kg ...... 50 kg ...... A ...... 13, 52, 53, None ...... 211 ...... 242 ...... Forbidden 15 kg ...... A ...... 13, 52, 53, 151 ...... 213 ...... 241 ...... 25 kg ...... 100 kg ...... A ...... 152 ...... 13, 148 212 ...... 242 ...... 5 kg ...... 25 kg ...... C ...... 13, 52, 66, T1, TP33, W31. N34, T3, TP33, W31, W40. N5, N34, T3, TP33, W31. TP33, W31. T3, TP33, W31, W40. W31. TP33, W31, W40. W31. TP33, W100. W100. II ...... 4.2 ...... A19, A20, IB6, IP2, III ...... 4.2 ...... B135, IB8, IP4, T1, III ...... 4.3, 4.2 IB8, IP4, T1, TP33, II ...... 4.3, 4.2 A19, IB7, IP2, T3, 4.2 UN2009 III ...... 4.2 ...... A1, A19, W31 ...... None ...... 213 ...... 240 ...... 25 kg ...... 100 kg ...... D ...... 13, 148 4.1 UN1517 I ...... 4.1 ...... 23, N41, W31 ...... None ...... 211 ...... None ...... 1 kg ...... 15 kg ...... D ...... 28, 36 4.1 UN1358 II ...... 4.1 ...... A19, A20, IB6, IP2, 4.1 UN2858 III ...... 4.1 ...... A1, W100 ...... 151 ...... 213 ...... 240 ...... 25 kg ...... 100 kg ...... A ...... 13, 147, ******* ******* ******* ******* ******* Zinc dust ...... 4.3 UN1436 I ...... 4.3, 4.2 A19, IB4, IP1, N40, not less than 20 percent water, by mass . less than 25 percent water (a visi- ble excess of water must be present) (a) mechanically pro- duced, particle size less than 53 microns; (b) chemically produced, particle size less than 840 mi- crons . or coiled wire . metal sheets, strip (thinner than 254 microns but not thinner than 18 microns) . Zirconium scrap ...... 4.2 UN1932 III ...... 4.2 ...... B135, IB8, IP4, N34, Zirconium picramate, wetted with Zirconium powder, dry ...... 4.2 UN2008 I ...... Zirconium powder, wetted with not 4.2 ...... T21, TP7, TP33, W31 None ...... 211 ...... 242 ...... Forbidden Forbidden D ...... 13, 148 Zirconium, dry, finished sheets, strip Zirconium hydride ...... 4.1 UN1437 II ...... 4.1 ...... A19, A20, IB4, N34, Zirconium, dry, coiled wire, finished Zinc phosphide ...... Zinc powder or 4.3 UN1714 I ...... 4.3, 6.1 A19, N40, W32 ...... None ...... 211 ...... None ...... Forbidden 15 kg ...... E ...... 13, 40, 52, Zinc ashes ...... 4.3 Zinc chloride, solution UN1435 ...... III ...... 4.3 ...... Zinc peroxide A1, A19, IB8, IP4, T1, ...... 8 UN1840 III ...... 5.1 8 UN1516 ...... II IB3, T4, TP2 ...... 154 5.1 ...... IB6, IP2, T3, TP33, 203 ...... 241 ...... 5 L ...... 60 L ...... A.

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* * * * * must be type D, E, or F, not requiring vehicles or equipment that contain a ■ 13. In Appendix B to § 172.101, the temperature control. The components fuel cell engine must be consigned List of Marine Pollutants is amended by may be placed in the same outer under the entries ‘‘Engine, fuel cell, adding six (6) entries in appropriate packaging provided they will not flammable gas powered’’ or ‘‘Engine, alphabetical order to read as follows: interact dangerously in the event of fuel cell, flammable liquid powered’’ or leakage. The Packing Group assigned ‘‘Vehicle, fuel cell, flammable gas Appendix B to § 172.101—List of will be II or III, according to the powered’’ or ‘‘Vehicle, fuel cell, Marine Pollutants classification criteria for either Class 3 flammable liquid powered,’’ as * * * * * or Division 4.1, as appropriate, applied appropriate. These entries include to the base material. Additionally, hybrid electric vehicles powered by a LIST OF MARINE POLLUTANTS unless otherwise excepted in this fuel cell engine, an internal combustion subchapter, polyester resin kits must be engine, and batteries. S.M.P. Marine pollutant packaged in specification combination 135 Internal combustion engines (1) (2) packagings based on the performance installed in a vehicle must be consigned level of the base material contained under the entries ‘‘Vehicle, flammable ***** within the kit. gas powered’’ or ‘‘Vehicle, flammable Hexanes. * * * * * liquid powered,’’ as appropriate. If a 134 This entry only applies to vehicle is powered by a flammable ***** vehicles powered by wet batteries, liquid and a flammable gas internal Hypochlorite solutions. sodium batteries, lithium metal batteries combustion engine, it must be or lithium ion batteries and equipment consigned under the entry ‘‘Vehicle, ***** flammable gas powered.’’ These entries Isoprene, stabilized. powered by wet batteries or sodium batteries that are transported with these include hybrid electric vehicles ***** batteries installed. powered by both an internal combustion N-Methylaniline. a. For the purpose of this special engine and wet, sodium or lithium provision, vehicles are self-propelled batteries installed. If a fuel cell engine ***** apparatus designed to carry one or more is installed in a vehicle, the vehicle Methylcyclohexane. persons or goods. Examples of such must be consigned using the entries vehicles are electrically-powered cars, ‘‘Vehicle, fuel cell, flammable gas ***** powered’’ or ‘‘Vehicle, fuel cell, Tripropylene. motorcycles, scooters, three- and four- wheeled vehicles or motorcycles, trucks, flammable liquid powered,’’ as ***** locomotives, bicycles (pedal cycles with appropriate. These entries include an electric motor) and other vehicles of hybrid electric vehicles powered by a ■ 14. In § 172.102: this type (e.g. self-balancing vehicles or fuel cell, an internal combustion engine, ■ a. In paragraph (c)(1): vehicles not equipped with at least one and wet, sodium or lithium batteries ■ 1. Revise special provisions 40, 134, seating position), lawn tractors, self- installed. For the purpose of this special and 135; propelled farming and construction provision, vehicles are self-propelled ■ 2. Add special provisions 157, 181, equipment, boats, aircraft, wheelchairs apparatus designed to carry one or more and 182; and other mobility aids. This includes persons or goods. Examples of such ■ 3. Revise special provisions 238 and vehicles transported in a packaging. In vehicles are cars, motorcycles, trucks, 369; and this case some parts of the vehicle may locomotives, scooters, three- and four- ■ 4. Add special provisions, 379, 387, be detached from its frame to fit into the wheeled vehicles or motorcycles, lawn and 422. packaging. tractors, self-propelled farming and ■ b. In paragraph (c)(2), special b. Examples of equipment are construction equipment, boats and provisions A210 and A212 are added. lawnmowers, cleaning machines or aircraft. ■ c. In paragraph (c)(3), special model boats and model aircraft. * * * * * provisions B134 and B135 are added. Equipment powered by lithium metal 157 When transported as a limited ■ d. In paragraph (c)(4), Table 2—IP batteries or lithium ion batteries must be quantity or a consumer commodity, the Codes is revised. consigned under the entries ‘‘Lithium maximum net capacity specified in ■ e. In paragraph (c)(5), special metal batteries contained in equipment’’ § 173.151(b)(1)(i) of this subchapter for provision N90 is revised and N92 is or ‘‘Lithium metal batteries packed with inner packagings may be increased to 5 added. equipment’’ or ‘‘Lithium ion batteries kg (11 pounds). ■ e. In paragraph (c)(9), special contained in equipment’’ or ‘‘Lithium * * * * * provisions W31, W32, W40, and W100 ion batteries packed with equipment’’ as 181 When a package contains a are added. appropriate. combination of lithium batteries The additions and revisions read as c. Self-propelled vehicles or contained in equipment and lithium follows: equipment that also contain an internal batteries packed with equipment, the combustion engine must be consigned following requirements apply: § 172.102 Special Provisions. under the entries ‘‘Engine, internal a. The shipper must ensure that all * * * * * combustion, flammable gas powered’’ or applicable requirements of § 173.185 are (c) * * * ‘‘Engine, internal combustion, met. The total mass of lithium batteries (1) * * * flammable liquid powered’’ or ‘‘Vehicle, contained in any package must not 40 Polyester resin kits consist of two flammable gas powered’’ or ‘‘Vehicle, exceed the quantity limits in columns components: A base material (either flammable liquid powered,’’ as 9A and 9B for passenger aircraft or cargo Class 3 or Division 4.1, Packing Group appropriate. These entries include aircraft, as applicable; II or III) and an activator (organic hybrid electric vehicles powered by b. except as provided in peroxide), each separately packed in an both an internal combustion engine and § 173.185(c)(3), the package must be inner packaging. The organic peroxide batteries. Additionally, self-propelled marked ‘‘UN 3091 Lithium metal

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batteries packed with equipment’’, or (3) The total amount of gas from all packages include fissile material ‘‘UN 3481 Lithium ion batteries packed detectors per outer packaging must not excepted by competent authority with equipment,’’ as appropriate. If a exceed 52 grams (1.83 ounces). approval. When a consignment is package contains both lithium metal c. Completed neutron radiation undeliverable, the consignment shall be batteries and lithium ion batteries detection systems containing detectors placed in a safe location and the packed with and contained in meeting the conditions of paragraph a(1) appropriate competent authority shall equipment, the package must be marked of this special provision must be be informed as soon as possible and a as required for both battery types. transported as follows: request made for instructions on further However, button cell batteries installed (1) The detectors must be contained in action. If it is evident that a package of in equipment (including circuit boards) a strong sealed outer casing; radioactive material, or conveyance need not be considered; and (2) The casing must contain include carrying unpackaged radioactive c. the shipping paper must indicate sufficient absorbent or adsorbent material, is leaking, or if it is suspected ‘‘UN 3091 Lithium metal batteries material to absorb or adsorb the entire that the package, or conveyance carrying packed with equipment’’ or ‘‘UN 3481 gas contents; unpackaged material, may have leaked, Lithium ion batteries packed with (3) The completed system must be the requirements of § 173.443(e) of this equipment,’’ as appropriate. If a package packed in strong outer packagings subchapter apply. contains both lithium metal batteries capable of withstanding a 1.8 meter (5.9 * * * * * and lithium ion batteries packed with feet) drop test without leakage unless a 379 When offered for transport by and contained in equipment, then the system’s outer casing affords equivalent highway, rail, or cargo vessel, shipping paper must indicate both ‘‘UN protection. anhydrous ammonia adsorbed or 3091 Lithium metal batteries packed d. Except for transportation by absorbed on a solid contained in with equipment’’ and ‘‘UN 3481 aircraft, neutron radiation detectors and ammonia dispensing systems or Lithium ion batteries packed with radiation detection systems containing receptacles intended to form part of equipment.’’ such detectors transported in such systems is not subject to the 182 Equipment containing only accordance with paragraph a. of this requirements of this subchapter if the lithium batteries must be classified as special provision are not subject to the following conditions in this provision either UN 3091 or UN 3481. labeling and placarding requirements of are met. In addition to meeting the * * * * * part 172 of this subchapter. conditions in this provision, transport 238 Neutron radiation detectors: a. e. When transported by highway, rail, on cargo aircraft only may be authorized Neutron radiation detectors containing vessel, or as cargo on an aircraft, with prior approval of the Associate non-pressurized boron trifluoride gas in neutron radiation detectors containing Administrator. excess of 1 gram (0.035 ounces) and not more than 1 gram of boron a. The adsorption or absorption radiation detection systems containing trifluoride, including those with solder presents the following properties: such neutron radiation detectors as glass joints are not subject to any other (1) The pressure at a temperature of ° ° components may be transported by requirements of this subchapter 20 C (68 F) in the receptacle is less highway, rail, vessel, or cargo aircraft in provided they meet the requirements in than 0.6 bar (60 kPa); paragraph a(1) of this special provision (2) The pressure at a temperature of accordance with the following: ° ° a. Each radiation detector must meet and are packed in accordance with 35 C (95 F) in the receptacle is less the following conditions: paragraph a(2) of this special provision. than 1 bar (100 kPa); Radiation detection systems containing (3) The pressure at a temperature of (1) The pressure in each neutron ° ° radiation detector must not exceed 105 such detectors are not subject to any 85 C (185 F) in the receptacle is less kPa absolute at 20 °C (68 °F); other requirements of this subchapter than 12 bar (1200 kPa). b. The adsorbent or absorbent material (2) The amount of gas must not provided they are packed in accordance shall not meet the definition or criteria exceed 13 grams (0.45 ounces) per with paragraph a(3) of this special provision. for inclusion in Classes 1 to 8; detector; and c. The maximum contents of a (3) Each neutron radiation detector * * * * * receptacle shall be 10 kg of ammonia; must be of welded metal construction 369 In accordance with § 173.2a, and with brazed metal to ceramic feed this radioactive material in an excepted d. Receptacles containing adsorbed or through assemblies. These detectors package possessing corrosive properties absorbed ammonia shall meet the must have a minimum burst pressure of is classified in Division 6.1 with a following conditions: 1800 kPa as demonstrated by design radioactive material and corrosive (1) Receptacles shall be made of a type qualification testing; and subsidiary risk. Uranium hexafluoride material compatible with ammonia as (4) Each detector must be tested to a may be classified under this entry only specified in ISO 11114–1:2012 (IBR, see × ¥10 3 1 10 cm /s leaktightness standard if the conditions of §§ 173.420(a)(4) and § 171.7 of this subchapter); before filling. (6), 173.420(d), 173.421(b) and (d), and, (2) Receptacles and their means of b. Radiation detectors transported as for fissile-excepted material, the closure shall be hermetically sealed and individual components must be conditions of 173.453 of this subchapter able to contain the generated ammonia; transported as follows: are met. In addition to the provisions (3) Each receptacle shall be able to (1) They must be packed in a sealed applicable to the transport of Division withstand the pressure generated at intermediate plastic liner with sufficient 6.1 substances, the provisions of 85 °C (185 °F) with a volumetric absorbent or adsorbent material to §§ 173.421(c), and 173.443(a) of this expansion no greater than 0.1%; absorb or adsorb the entire gas contents. subchapter apply. In addition, packages (4) Each receptacle shall be fitted with (2) They must be packed in strong shall be legibly and durably marked a device that allows for gas evacuation outer packagings and the completed with an identification of the consignor, once pressure exceeds 15 bar (1500 kPa) package must be capable of the consignee, or both. No Class 7 label without violent rupture, explosion or withstanding a 1.8 meter (5.9 feet) drop is required to be displayed. The projection; and without leakage of gas contents from consignor shall be in possession of a (5) Each receptacle shall be able to detectors. copy of each applicable certificate when withstand a pressure of 20 bar (2000

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kPa) without leakage when the pressure consideration include, but are not be transported on passenger aircraft relief device is deactivated. limited to, the capacity and geometry of irrespective of the indication of e. When offered for transport in an the packaging and the effect of any ‘‘forbidden’’ in columns (9A) of the ammonia dispenser, the receptacles insulation present, the temperature of § 172.101 table provided that: shall be connected to the dispenser in the material when offered for transport, a. Each inner packaging contains not such a way that the assembly is the duration of the journey, and the more than 30 mL; guaranteed to have the same strength as ambient temperature conditions b. Each inner packaging is contained a single receptacle. typically encountered in the journey in a sealed leak-proof intermediate f. The properties of mechanical (considering also the season of year), the packaging with sufficient absorbent strength mentioned in this special effectiveness and other properties of the material capable of containing the provision shall be tested using a stabilizer employed, applicable contents of the inner packaging; prototype of a receptacle and/or operational controls imposed by c. Intermediate packagings are dispenser filled to nominal capacity, by regulation (e.g., requirements to protect securely packed in an outer packaging increasing the temperature until the from sources of heat, including other of a type permitted by § 173.158(g) specified pressures are reached. cargo carried at a temperature above which meet the requirements of part 178 g. The test results shall be ambient) and any other relevant factors. of the HMR at the Packing Group I documented, shall be traceable, and * * * * * performance level; shall be made available to a 422 When labelling is required, the d. The maximum quantity of nitric representative of the Department upon label to be used must be the label shown acid in the package does not exceed 300 request. in § 172.447. Labels conforming to mL; and * * * * * requirements in place on December 31, e. Transport in accordance with this 387 When materials are stabilized by 2016 may continue to be used until special provision must be noted on the temperature control, the provisions of December 31, 2018. When a placard is shipping paper. § 173.21(f) apply. When chemical displayed, the placard must be the * * * * * stabilization is employed, the person placard shown in § 172.560. (3) * * * offering the material for transport shall * * * * * B134 For Large Packagings offered ensure that the level of stabilization is (2) * * * for transport by vessel, flexible or fibre sufficient to prevent the material as A210 This substance is forbidden for inner packagings shall be sift-proof and packaged from dangerous transport by air. It may be transported water-resistant or shall be fitted with a polymerization at 50 °C (122 °F). If on cargo aircraft only with the prior sift-proof and water-resistant liner. chemical stabilization becomes approval of the Associate Administrator. B135 For Large Packagings offered ineffective at lower temperatures within * * * * * for transport by vessel, flexible or fibre the anticipated duration of transport, A212 ‘‘UN 2031, Nitric acid, other inner packagings shall be hermetically temperature control is required and is than red fuming, with more than 20% sealed. forbidden by aircraft. In making this and less than 65% nitric acid’’ intended * * * * * determination factors to be taken into for use in sterilization devices only, may (4) * * *

TABLE 2—IP CODES

IP code

IP1 ...... IBCs must be packed in closed freight containers or a closed transport vehicle. IP2 ...... When IBCs other than metal or rigid plastics IBCs are used, they must be offered for transportation in a closed freight container or a closed transport vehicle. IP3 ...... Flexible IBCs must be sift-proof and water-resistant or must be fitted with a sift-proof and water-resistant liner. IP4 ...... Flexible, fiberboard or wooden IBCs must be sift-proof and water-resistant or be fitted with a sift-proof and water-resistant liner. IP5 ...... IBCs must have a device to allow venting. The inlet to the venting device must be located in the vapor space of the IBC under maximum filling conditions. IP6 ...... Non-specification bulk bins are authorized. IP7 ...... For UN identification numbers 1327, 1363, 1364, 1365, 1386, 1841, 2211, 2217, 2793 and 3314, IBCs are not required to meet the IBC performance tests specified in part 178, subpart N of this subchapter. IP8 ...... Ammonia solutions may be transported in rigid or composite plastic IBCs (31H1, 31H2 and 31HZ1) that have successfully passed, without leakage or permanent deformation, the hydrostatic test specified in § 178.814 of this subchapter at a test pressure that is not less than 1.5 times the vapor pressure of the contents at 55 °C (131 °F). IP13 ...... Transportation by vessel in IBCs is prohibited. IP14 ...... Air must be eliminated from the vapor space by nitrogen or other means. IP15 ...... For UN2031 with more than 55% nitric acid, rigid plastic IBCs and composite IBCs with a rigid plastic inner receptacle are au- thorized for two years from the date of IBC manufacture. IP16 ...... IBCs of type 31A and 31N are only authorized if approved by the Associate Administrator. IP19 ...... For UN identification numbers 3531, 3532, 3533, and 3534, IBCs must be designed and constructed to permit the release of gas or vapor to prevent a build-up of pressure that could rupture the IBCs in the event of loss of stabilization. IP20 ...... Dry sodium cyanide or potassium cyanide is also permitted in siftproof, water-resistant, fiberboard IBCs when transported in closed freight containers or transport vehicles.

* * * * * example metal closures or other metal with a small amount of metal must be (5) * * * fittings such as those mentioned in part designed such that the hazardous N90 Metal packagings are not 178 of this subchapter, are not material does not contact the metal. authorized. Packagings of other material considered metal packagings. * * * * * with a small amount of metal, for Packagings of other material constructed

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N92 Notwithstanding the provisions and water-resistant or must be fitted (iii) Transitional exception—For of § 173.24(g), packagings shall be with a sift-proof and water-resistant domestic transportation, a label in designed and constructed to permit the liner. conformance with the requirements of release of gas or vapor to prevent a * * * * * this paragraph in effect on December 31, build-up of pressure that could rupture ■ 15. In § 172.407, paragraphs (c)(1)(i) 2014, may continue to be used until the packagings in the event of loss of and (iii) are revised to read as follows: December 31, 2018. stabilization. * * * * * * * * * * § 172.407 Label specifications. (9) * * * * * * * * ■ 16. Section 172.447 is added to read W31 Packagings must be (c) * * * as follows: hermetically sealed. (1) * * * W32 Packagings shall be (i) If the size of the package so § 172.447 LITHIUM BATTERY label. hermetically sealed, except for solid requires, the dimensions of the label (a) Except for size and color, the fused material. and its features may be reduced LITHIUM BATTERY label must be as proportionally provided the symbol and W40 Bags are not allowed. follows: other elements of the label remain * * * * * BILLING CODE 4910–60–P W100 Flexible, fibreboard or clearly visible. wooden packagings must be sift-proof * * * * *

(b) In addition to complying with (b) In addition to the RADIOACTIVE § 173.4a Excepted quantities. § 172.407, the background on the placard which may be required by * * * * * LITHIUM BATTERY label must be § 172.504(e), each transport vehicle, (e) * * * white with seven black vertical stripes portable tank or freight container that (3) Each inner packaging must be on the top half. The black vertical contains 454 kg (1,001 pounds) or more securely packed in an intermediate stripes must be spaced, so that, visually, gross weight of non-fissile, fissile- packaging with cushioning material in they appear equal in width to the six excepted, or fissile uranium such a way that, under normal white spaces between them. The lower hexafluoride must be placarded with a conditions of transport, it cannot break, half of the label must be white with the CORROSIVE placard and a POISON be punctured or leak its contents. The symbol (battery group, one broken and placard on each side and each end. completed package as prepared for emitting flame) and class number ‘‘9’’ * * * * * transport must completely contain the underlined and centered at the bottom contents in case of breakage or leakage, in black. PART 173—SHIPPERS—GENERAL regardless of package orientation. For (c) Labels conforming to requirements REQUIREMENTS FOR SHIPMENTS liquid hazardous materials, the in place on December 31, 2016 may AND PACKAGINGS intermediate or outer packaging must continue to be used until December 31, ■ contain sufficient absorbent material 2018. 18. The authority citation for part 173 that: ■ 17. In § 172.505, paragraph (b) is continues to read as follows: (i) Will absorb the entire contents of revised to read as follows: Authority: 49 U.S.C. 5101–5128, 44701; 49 the inner packaging. CFR 1.81, 1.96 and 1.97. § 172.505 Placarding for subsidiary (ii) Will not react dangerously with hazards. ■ 19. In § 173.4a, paragraph (e)(3) is the material or reduce the integrity or * * * * * revised to read as follows: function of the packaging materials.

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(iii) When placed in the intermediate (e) FUMIGANT marking. (1) The must be as shown in the following packaging, the absorbent material may FUMIGANT marking must consist of figure. Where dimensions are not be the cushioning material. black letters on a white background that specified, all features shall be in * * * * * is a rectangle at least 400 mm (15.75 approximate proportion to those shown. inches) wide and at least 300 mm (11.8 (i) The marking, and all required ■ 20. In § 173.9, paragraph (e) is revised inches) high as measured to the outside information, must be capable of to read as follows: of the lines forming the border of the withstanding, without deterioration or a § 173.9 Transport vehicles or freight marking. The minimum width of the substantial reduction in effectiveness, a containers containing lading which has line forming the border must be 2 mm 30-day exposure to open weather been fumigated. and the text on the marking must not be conditions. less than 25 mm high. Except for size (ii) [Reserved] * * * * * and color, the FUMIGANT marking BILLING CODE 4910–60–P

BILLING CODE 4910–60–C § 173.21 Forbidden materials and of a dangerous quantity of heat or gas (2) The ‘‘*’’ shall be replaced with the packages. when decomposing or polymerizing, technical name of the fumigant. * * * * * unless the material is stabilized or * * * * * (f) A package containing a material inhibited in a manner to preclude such which is likely to decompose with a evolution. The SADT and SAPT may be ■ 21. In § 173.21, revise paragraph (f) to self-accelerated decomposition determined by any of the test methods read as follows: temperature (SADT) or a self-accelerated described in Part II of the UN Manual polymerization temperature (SAPT) of of Tests and Criteria (IBR, see § 171.7 of 50 °C (122 °F) or less, with an evolution this subchapter).

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(1) A package meeting the criteria of for a package shall be as specified in the may not be offered for transportation or paragraph (f) of this section may be table in this paragraph based upon the transported. The emergency temperature required to be shipped under controlled SADT or SAPT of the material. The is the temperature at which, due to temperature conditions. The control control temperature is the temperature imminent danger, emergency measures temperature and emergency temperature above which a package of the material must be initiated.

§ 173.21 TABLE—DERIVATION OF CONTROL AND EMERGENCY TEMPERATURE

SADT/SAPT 1 Control temperatures Emergency temperature

SADT/SAPT ≤20 °C (68 °F) ...... 20 °C (36 °F) below SADT/SAPT ...... 10 °C (18 °F) below SADT/SAPT. 20 °C (68 °F)

* * * * * UN tubes and MEGCs is prohibited for demonstrate a negligible probability of ■ 22. In § 173.40, paragraph (a)(1) is Hazard Zone A materials. accidental initiation or propagation. 2 revised to read as follows: * * * * * The risk from articles of Division 1.6 ■ 23. In § 173.50, paragraph (b)(6) is is limited to the explosion of a single § 173.40 General packaging requirements revised to read as follows: article. for toxic materials packaged in cylinders. * * * * * § 173.50 Class 1—Definitions. (a) * * * ■ 24. In § 173.52, in paragraph (b), in * * * * * Table 1, the entry for ‘‘Articles (1) A cylinder must conform to a DOT (b) * * * predominantly containing extremely specification or UN standard prescribed (6) Division 1.6 2 consists of extremely insensitive substances’’ is revised to in subpart C of part 178 of this insensitive articles that do not have a read as follows: subchapter, or a TC, CTC, CRC, or BTC mass explosion hazard. This division is cylinder authorized in § 171.12 of this comprised of articles which § 173.52 Classification codes and subchapter, except that acetylene predominately contain extremely compatibility groups of explosives. cylinders are not authorized. The use of insensitive substances and that (b) * * *

TABLE 1—CLASSIFICATION CODES

Compatibility Classification Description of substances or article to be classified group code

******* Articles predominantly containing extremely insensitive substances ...... N 1.6N

*******

■ 25. In § 173.62, in paragraph (b), in the § 173.62 Specific packaging requirements EXPLOSIVES TABLE—Continued Explosives Table, the entry for UN0510 for explosives. is added after UN0509; in paragraph (c), * * * * * ID No. PI in the Table of Packing Methods, (b) * * * ***** Packing Instructions 112(c), 114(b), 130, UN0510 ...... 130 and 137 are revised to read as follows: EXPLOSIVES TABLE ID No. PI *****

(c) * * *

TABLE OF PACKING METHODS

Inner Packing instruction packagings Intermediate packagings Outer packagings

******* 112(c) This packing instruction applies to solid dry Bags ...... Bags ...... Boxes. powders. PARTICULAR PACKING REQUIREMENTS OR EX- CEPTIONS:

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TABLE OF PACKING METHODS—Continued

Inner Packing instruction packagings Intermediate packagings Outer packagings

1. For UN 0004, 0076, 0078, 0154, 0216, 0219 paper, multiwall, water re- paper, multiwall, water re- steel (4A), aluminum (4B), and 0386, packagings must be lead free. sistant plastics, woven sistant, with inner lining other metal (4N), natural 2. For UN0209, bags, sift-proof (5H2) are rec- plastics, Receptacles, fi- plastics, Receptacles, wood,ordinary (4C1), ommended for flake or prilled TNT in the dry berboard, metal, plastics, metal, plastics, wood. natural wood, sift proof state. Bags must not exceed a maximum net wood. (4C2), plywood (4D), re- mass of 30 kg. constituted wood (4F), fi- 3. Inner packagings are not required if drums are berboard (4G), plastics, used as the outer packaging. solid (4H2), Drums, plas- 4. At least one of the packagings must be sift- tics (1H1 or 1H2), steel proof. (1A1 or 1A2), aluminum 5. For UN 0504, metal packagings must not be (1B1 or 1B2), other used. Packagings of other material with a small metal (1N1 or 1N2), ply- amount of metal, for example metal closures or wood (1D), fiber (1G). other metal fittings such as those mentioned in part 178 of this subchapter, are not considered metal packagings.

******* 114(b) ...... Bags ...... Not necessary ...... Boxes PARTICULAR PACKING REQUIREMENTS OR EX- CEPTIONS: 1. For UN Nos. 0077, 0132, 0234, 0235 and 0236, paper, kraft, plastics, tex- ...... natural wood, ordinary packagings must be lead free. tile, sift-proof, woven (4C1), natural wood, sift- 2. For UN0160 and UN0161, when metal drums (1A2, plastics, sift-proof. Re- proof walls (4C2), ply- 1B2 or 1N2) are used as the outer packaging, metal ceptacles, fiberboard, wood (4D), reconstituted packagings must be so constructed that the risk of metal, paper, plastics, wood (4F), fiberboard explosion, by reason of increased internal pressure wood, woven plastics, (4G), Drums. steel (1A1 from internal or external causes, is prevented. sift-proof. or 1A2), aluminum (1B1 3. For UN0160, UN0161, and UN0508, inner pack- or 1B2), other metal agings are not necessary if drums are used as the (1N1 or 1N2), plywood outer packaging. (1D), fiber (1G), plastics 4. For UN0508 and UN0509, metal packagings must (1H1 or 1H2). not be used. Packagings of other material with a small amount of metal, for example metal closures or other metal fittings such as those mentioned in part 178 of this subchapter, are not considered metal packagings.

******* 130 ...... Not necessary ...... Not necessary ...... Boxes. Particular Packaging Requirements: 1. The following applies to UN 0006, 0009, 0010, 0015, ...... Steel (4A), Aluminum (4B), 0016, 0018, 0019, 0034, 0035, 0038, 0039, 0048, Other metal (4N), Wood 0056, 0137, 0138, 0168, 0169, 0171, 0181, 0182, natural, ordinary (4C1), 0183, 0186, 0221, 0238, 0243, 0244, 0245, 0246, Wood natural, sift-proof 0254, 0280, 0281, 0286, 0287, 0297, 0299, 0300, walls (4C2), Plywood 0301, 0303, 0321, 0328, 0329, 0344, 0345, 0346, (4D), Reconstituted wood 0347, 0362, 0363, 0370, 0412, 0424, 0425, 0434, (4F), Fiberboard (4G), 0435, 0436, 0437, 0438, 0451, 0459, 0488, 0502 Plastics, expanded and 0510. Large and robust explosives articles, nor- (4H1), Plastics, solid mally intended for military use, without their means (4H2), Drums. Steel (1A1 of initiation or with their means of initiation containing or 1A2), Aluminum (1B1 at least two effective protective features, may be car- or 1B2), Other metal ried unpackaged. When such articles have propelling (1N1 or 1N2), Plywood charges or are self-propelled, their ignition systems (1D), Fiber (1G), Plastics must be protected against stimuli encountered during (1H1 or 1H2), Large normal conditions of transport. A negative result in Packagings, Steel (50A), Test Series 4 on an unpackaged article indicates Aluminum (50B), Metal that the article can be considered for transport other than steel or alu- unpackaged. Such unpackaged articles may be fixed minum (50N), Rigid plas- to cradles or contained in crates or other suitable tics (50H), Natural wood handling devices. (50C), Plywood (50D), 2. Subject to approval by the Associate Administrator, Reconstituted wood large explosive articles, as part of their operational (50F), Rigid fiberboard safety and suitability tests, subjected to testing that (50G). meets the intentions of Test Series 4 of the UN Man- ual of Tests and Criteria with successful test results, may be offered for transportation in accordance with the requirements of this subchapter.

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TABLE OF PACKING METHODS—Continued

Inner Packing instruction packagings Intermediate packagings Outer packagings

******* 137 ...... Bags ...... Not necessary ...... Boxes. PARTICULAR PACKING REQUIREMENTS OR EX- CEPTIONS: For UN 0059, 0439, 0440 and 0441, when the shaped plastics, Boxes, fiberboard, ...... steel (4A), aluminum (4B), charges are packed singly, the conical cavity must wood, Tubes, fiberboard, other metal (4N), wood, face downwards and the package marked in accord- metal, plastics, Dividing natural, ordinary (4C1), ance with § 172.312(b) of this subchapter. When the partitions in the outer wood, natural, sift proof shaped charges are packed in pairs, the conical cav- packagings. walls (4C2), plastics, ities must face inwards to minimize the jetting effect solid (4H2), plywood in the event of accidental initiation. (4D), reconstituted wood (4F), fiberboard (4G), Drums, steel (1A1 or 1A2), aluminum (1B1 or 1B2), other metal (1N1 or 1N2), plywood (1D), fiber (1G), plastics (1H1 or 1H2).

*******

* * * * * § 173.121 Class 3—Assignment of packing (1) * * * ■ group. 26. In § 173.121, (b)(1)(iv) is revised (iv) The viscosity 1 and flash point are and a new footnote 1 is added to read * * * * * in accordance with the following table: as follows: (b) * * *

Kinematic viscosity (extrapolated) Flow-time t in Jet diameter n (at near-zero Flash point c.c. shear rate) mm2/s seconds in mm at 23 °C (73.4 °F)

20 < n ≤ 80 ...... 20 < t ≤ 60 ...... 4 above 17 °C (62.6 °F). 80 < n ≤ 135 ...... 60 < t ≤ 100 ...... 4 above 10 °C (50 °F). 135 < n ≤ 220 ...... 20 < t ≤ 32 ...... 6 above 5 °C (41 °F). 220 < n ≤ 300 ...... 32 < t ≤ 44 ...... 6 above ¥1 °C (31.2 °F). 300 < n ≤ 700 ...... 44 < t ≤ 100 ...... 6 above ¥5 °C (23 °F). 700 < n ...... 100 < t ...... 6 No limit.

1 Viscosity determination: Where the (i) When dry are Explosives of Class (B) The material is forbidden from substance concerned is non-Newtonian, 1 other than those of compatibility being offered for transportation or where a flow-cup method of viscosity group A, which are wetted with according to § 172.101 of this determination is otherwise unsuitable, a sufficient water, alcohol, or plasticizer subchapter or § 173.21; variable shear-rate viscometer shall be to suppress explosive properties; and (C) The material meets the definition used to determine the dynamic viscosity (ii) Are specifically authorized by of an oxidizer or organic peroxide as coefficient of the substance, at 23 °C name either in the Hazardous Materials prescribed in subpart D of this part, in (73.4 °F), at a number of shear rates. The Table in § 172.101 or have been which case it must be so classed; values obtained are plotted against shear assigned a shipping name and hazard (D) The material meets one of the rate and then extrapolated to zero shear class by the Associate Administrator following conditions: rate. The dynamic viscosity thus under the provisions of— (1) Its heat of decomposition is less obtained, divided by the density, gives (A) A special permit issued under than 300 J/g; or (2) Its self-accelerating decomposition the apparent kinematic viscosity at near- subchapter A of this chapter; or zero shear rate. temperature (SADT) is greater than (B) An approval issued under 75 °C (167 °F) for a 50 kg package; or * * * * * § 173.56(i) of this part. ■ (3) It is an oxidizing substance in 27. Section 173.124 is revised to read (2)(i) Self-reactive materials that are as follows: Division 5.1 containing less than 5.0% thermally unstable and can undergo an combustible organic substances; or § 173.124 Class 4, Divisions 4.1, 4.2 and exothermic decomposition even without (E) The Associate Administrator has 4.3—Definitions. participation of oxygen (air). A material determined that the material does not (a) Division 4.1 (Flammable Solid). is excluded from this definition if any present a hazard which is associated For the purposes of this subchapter, of the following applies: with a Division 4.1 material. flammable solid (Division 4.1) means (A) The material meets the definition (ii) Generic types. Division 4.1 self- any of the following four types of of an explosive as prescribed in subpart reactive materials are assigned to a materials: C of this part, in which case it must be generic system consisting of seven (1) Desensitized explosives that— classed as an explosive; types. A self-reactive substance

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identified by technical name in the Self- (iii) Procedures for assigning a self- 75 °C (167 °F) or less under the Reactive Materials Table in § 173.224 is reactive material to a generic type. A conditions (with or without chemical assigned to a generic type in accordance self-reactive material must be assigned stabilization) as offered for transport in with that table. Self-reactive materials to a generic type based on— the packaging, IBC or portable tank in not identified in the Self-Reactive (A) Its physical state (i.e. liquid or which the material or mixture is to be Materials Table in § 173.224 are solid), in accordance with the definition transported. An appropriate packaging assigned to generic types under the of liquid and solid in § 171.8 of this for a polymerizing material must be procedures of paragraph (a)(2)(iii) of this subchapter; determined using the heating under section. (B) A determination as to its control confinement testing protocol from boxes (A) Type A. Self-reactive material type temperature and emergency 7, 8, 9, and 13 of Figure 20.1 (a) and (b) A is a self-reactive material which, as temperature, if any, under the (Flow Chart Scheme for Self-Reactive packaged for transportation, can provisions of § 173.21(f); Substances and Organic Peroxides) from detonate or deflagrate rapidly. (C) Performance of the self-reactive the UN Manual of Tests and Criteria Transportation of type A self-reactive material under the test procedures (IBR, see § 171.7 of this subchapter) by material is forbidden. specified in the UN Manual of Tests and successfully passing the UN Test Series (B) Type B. Self-reactive material type Criteria (IBR, see § 171.7 of this E at the ‘‘None’’ or ‘‘Low’’ level or by B is a self-reactive material which, as subchapter) and the provisions of an equivalent test method; packaged for transportation, neither paragraph (a)(2)(iii) of this section; and (ii) They exhibit a heat of reaction of detonates nor deflagrates rapidly, but is (D) Except for a self-reactive material more than 300 J/g; and liable to undergo a thermal explosion in which is identified by technical name in (iii) Do not meet the definition of any a package. the Self-Reactive Materials Table in other hazard class. (C) Type C. Self-reactive material type § 173.224(b) or a self-reactive material (b) Division 4.2 (Spontaneously C is a self-reactive material which, as which may be shipped as a sample Combustible Material). For the purposes packaged for transportation, neither under the provisions of § 173.224, the of this subchapter, spontaneously detonates nor deflagrates rapidly and self-reactive material is approved in combustible material (Division 4.2) cannot undergo a thermal explosion. writing by the Associate Administrator. means— (D) Type D. Self-reactive material type The person requesting approval shall (1) A pyrophoric material. A D is a self-reactive material which— submit to the Associate Administrator pyrophoric material is a liquid or solid (1) Detonates partially, does not the tentative shipping description and that, even in small quantities and deflagrate rapidly and shows no violent generic type and— without an external ignition source, can effect when heated under confinement; (1) All relevant data concerning ignite within five (5) minutes after (2) Does not detonate at all, physical state, temperature controls, and coming in contact with air when tested deflagrates slowly and shows no violent tests results; or according to UN Manual of Tests and effect when heated under confinement; (2) An approval issued for the self- Criteria. or reactive material by the competent (2) Self-heating material. A self- (3) Does not detonate or deflagrate at authority of a foreign government. heating material is a material that all and shows a medium effect when (iv) Tests. The generic type for a self- through a process where the gradual heated under confinement. reactive material must be determined reaction of that substance with oxygen (E) Type E. Self-reactive material type using the testing protocol from Figure (in air) generates heat. If the rate of heat E is a self-reactive material which, in 20.1 (a) and (b) (Flow Chart Scheme for production exceeds the rate of heat loss, laboratory testing, neither detonates nor Self-Reactive Substances and Organic then the temperature of the substance deflagrates at all and shows only a low Peroxides) from the UN Manual of Tests will rise which, after an induction time, or no effect when heated under and Criteria (IBR, see § 171.7 of this may lead to self-ignition and confinement. subchapter). combustion. A material of this type (F) Type F. Self-reactive material type (3) Readily combustible solids are which exhibits spontaneous ignition or F is a self-reactive material which, in materials that— if the temperature of the sample exceeds laboratory testing, neither detonates in (i) Are solids which may cause a fire 200 °C (392 °F) during the 24-hour test the cavitated state nor deflagrates at all through friction, such as matches; period when tested in accordance with and shows only a low or no effect when (ii) Show a burning rate faster than 2.2 UN Manual of Tests and Criteria (IBR; heated under confinement as well as mm (0.087 inches) per second when see § 171.7 of this subchapter), is low or no explosive power. tested in accordance with the UN classed as a Division 4.2 material. (G) Type G. Self-reactive material type Manual of Tests and Criteria (IBR, see (c) Division 4.3 (Dangerous when wet G is a self-reactive material which, in § 171.7 of this subchapter); or material). For the purposes of this laboratory testing, does not detonate in (iii) Any metal powders that can be chapter, dangerous when wet material the cavitated state, will not deflagrate at ignited and react over the whole length (Division 4.3) means a material that, by all, shows no effect when heated under of a sample in 10 minutes or less, when contact with water, is liable to become confinement, nor shows any explosive tested in accordance with the UN spontaneously flammable or to give off power. A type G self-reactive material is Manual of Tests and Criteria. flammable or toxic gas at a rate greater not subject to the requirements of this (4) Polymerizing materials are than 1 L per kilogram of the material, subchapter for self-reactive material of materials that are liable to undergo an per hour, when tested in accordance Division 4.1 provided that it is exothermic reaction resulting in the with UN Manual of Tests and Criteria. thermally stable (self-accelerating formation of larger molecules or ■ 28. Section 173.165, is revised to read ° decomposition temperature is 50 C resulting in the formation of polymers as follows: (122 °F) or higher for a 50 kg (110 under conditions normally encountered pounds) package). A self-reactive in transport. Such materials are § 173.165 Polyester resin kits. material meeting all characteristics of considered to be polymerizing (a) Polyester resin kits consisting of a type G except thermal stability is substances of Division 4.1 when: base material component (Class 3, classed as a type F self-reactive, (i) Their self-accelerating Packing Group II or III) or (Division 4.1, temperature control material. polymerization temperature (SAPT) is Packing Group II or III) and an activator

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component (Type D, E, or F organic package is calculated on a one-to-one must be packed in inner packagings not peroxide that does not require basis (i.e., 1 L equals 1 kg). over 5 kg (11 pounds) net capacity each temperature control)— (b) Polyester resin kits are eligible for for a Packing Group II and Packing (1) The organic peroxide component the Small Quantity exceptions in § 173.4 Group III solid. For transportation by must be packed in inner packagings not and the Excepted Quantity exceptions aircraft, the flammable solid component over 125 mL (4.22 fluid ounces) net in § 173.4a, as applicable. must be packed in inner packagings not capacity each for liquids or 500 g (17.64 (c) Limited quantities. Limited over 1 kg (2.2 pounds) net capacity each ounces) net capacity each for solids. quantity packages of polyester resin kits for a Packing Group II material. For (2) Except for transportation by are excepted from labeling transportation by aircraft, the flammable aircraft, the flammable liquid requirements, unless the material is solid component must be packed in component must be packaged in offered for transportation or transported metal or plastic inner packagings not suitable inner packagings. by aircraft, and are excepted from the over 5.0 kg (11 pounds) net capacity (i) For transportation by aircraft, a specification packaging requirements of each or glass inner packagings not over Class 3 Packing Group II base material this subchapter when packaged in 2.5 kg (5.5 pounds) net capacity each for is limited to a quantity of 5 L (1.3 combination packagings according to a Packing Group III material. gallons) in metal or plastic inner this paragraph. For transportation by (4) If the flammable liquid or solid packagings and 1 L (0.3 gallons) in glass aircraft, only hazardous material component and the organic peroxide inner packagings. A Class 3 Packing authorized aboard passenger-carrying component will not interact Group III base material is limited to a aircraft may be transported as a limited dangerously in the event of leakage, quantity of 10 L (2.6 gallons) in metal quantity. A limited quantity package they may be packed in the same outer or plastic inner packagings and 2.5 L that conforms to the provisions of this packaging. (0.66 gallons) in glass inner packagings. section is not subject to the shipping (5) For transportation by aircraft, the (ii) For transportation by aircraft, a paper requirements of subpart C of part following additional requirements Division 4.1 Packing Group II base 172 of this subchapter, unless the apply: material is limited to a quantity of 5 kg material meets the definition of a (i) Closures on inner packagings (11 pounds) in metal or plastic inner hazardous substance, hazardous waste, containing liquids must be secured by packagings and 1 kg (2.2 pounds) in marine pollutant, or is offered for secondary means as prescribed in glass inner packagings. A Division 4.1 transportation and transported by § 173.27(d); Packing Group III base material is aircraft or vessel, and is eligible for the (ii) Inner packagings containing limited to a quantity of 10 kg (22 lbs) in exceptions provided in § 173.156. In liquids must be capable of meeting the metal or plastic inner packagings and addition, shipments of limited pressure differential requirements 2.5 kg (5.5 pounds) in glass inner quantities are not subject to subpart F prescribed in § 173.27(c); and packagings. (Placarding) of part 172 of this (iii) The total quantity of activator and (3) If the flammable liquid or solid subchapter. Each package must conform base material may not exceed 1 kg (2.2 component and the organic peroxide to the general packaging requirements of pounds) per package for a Packing component will not interact subpart B of this part and may not Group II base material. The total dangerously in the event of leakage, exceed 30 kg (66 pounds) gross weight. quantity of activator and base material they may be packed in the same outer (1) Except for transportation by may not exceed 5 kg (11 pounds) per packaging. aircraft, the organic peroxide package for a Packing Group III base (4) The Packing Group assigned will component must be packed in inner material. The total quantity of polyester be II or III, according to the criteria for packagings not over 125 mL (4.22 fluid resin kits per package is calculated on Class 3, or Division 4.1, as appropriate, ounces) net capacity each for liquids or a one-to-one basis (i.e., 1 L equals 1 kg); applied to the base material. 500 g (17.64 ounces) net capacity each (iv) Drop test capability. Fragile inner Additionally, polyester resin kits must for solids. For transportation by aircraft, packagings must be packaged to prevent be packaged in specification the organic peroxide component must failure under conditions normally combination packagings, based on the be packed in inner packagings not over incident to transport. Packages of performance level required of the base 30 mL (1 fluid ounce) net capacity each consumer commodities must be capable material (II or III) contained within the for liquids or 100 g (3.5 ounces) net of withstanding a 1.2 m drop on solid kit, as prescribed in § 173.202, 173.203, capacity each for solids. concrete in the position most likely to 173.212, or 173.213 of this subchapter, (2) Except for transportation by cause damage; and as appropriate. aircraft, the flammable liquid (v) Stack test capability. Packages of (5) For transportation by aircraft, the component must be packed in inner consumer commodities must be capable following additional requirements packagings not over 5 L (1.3 gallons) net of withstanding, without failure or apply: capacity each for a Packing Group II and leakage of any inner packaging and (i) Closures on inner packagings Packing Group III liquid. For without any significant reduction in containing liquids must be secured by transportation by aircraft, the flammable effectiveness, a force applied to the top secondary means; liquid component must be packed in surface for a duration of 24 hours (ii) Inner packagings containing inner packagings not over 1 L (0.3 equivalent to the total weight of liquids must be capable of meeting the gallons) net capacity each for a Packing identical packages if stacked to a height pressure differential requirements Group II material. For transportation by of 3.0 m (including the test sample). prescribed in § 173.27(c); and aircraft, the flammable liquid (d) Consumer commodities. Until (iii) The total quantity of activator and component must be packed in metal or December 31, 2020, a limited quantity base material may not exceed 5 kg (11 plastic inner packagings not over 5.0 L package of polyester resin kits that are lbs) per package for a Packing Group II (1.3 gallons) net capacity each or glass also consumer commodities as defined base material. The total quantity of inner packagings not over 2.5 L (0.66 in § 171.8 of this subchapter may be activator and base material may not gallons) net capacity each for a Packing renamed ‘‘Consumer commodity’’ and exceed 10 kg (22 lbs) per package for a Group III material. reclassed as ORM–D or, until December Packing Group III base material. The (3) Except for transportation by 31, 2012, as ORM–D–AIR material and total quantity of polyester resin kits per aircraft, the flammable solid component offered for transportation and

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transported in accordance with the (c) * * * two lithium batteries contained in applicable provisions of this subchapter (2) Packaging. Each package, or the equipment, where there are not more in effect on October 1, 2010. completed package when packed with than two packages in the consignment. ■ 29. In § 173.185, the introductory or contained in equipment, must be (i) The mark must indicate the UN paragraph and paragraphs (c)(2), (c)(3), rigid. Except when lithium cells or (c)(4)(ii), (e), and (f)(4) are revised to batteries are contained in equipment, number, ‘UN3090’ for lithium metal read as follows: each package of lithium cells or cells or batteries or ‘UN 3480’ for batteries, or the completed package lithium ion cells or batteries. Where the § 173.185 Lithium cells and batteries. when packed with equipment must be lithium cells or batteries are contained As used in this section, lithium cell(s) capable of withstanding a 1.2 meter in, or packed with, equipment, the UN or battery(ies) includes both lithium drop test, in any orientation, without number ‘UN3091’ or ‘UN 3481’ as metal and lithium ion chemistries. damage to the cells or batteries appropriate must be indicated. Where a Equipment means the device or contained in the package, without package contains lithium cells or apparatus for which the lithium cells or shifting of the contents that would allow batteries assigned to different UN batteries will provide electrical power battery-to-battery (or cell-to-cell) numbers, all applicable UN numbers for its operation. Consignment means contact, and without release of the must be indicated on one or more one or more packages of hazardous contents of the package. marks. The package must be of such size materials accepted by an operator from (3) Hazard communication. Each that there is adequate space to affix the one shipper at one time and at one package must display the lithium mark on one side without the mark address, receipted for in one lot and battery mark except when a package being folded. [PHOTO] moving to one consignee at one contains button cell batteries installed BILLING CODE 4910–60–P destination address. in equipment (including circuit boards), * * * * * or no more than four lithium cells or

BILLING CODE 4910–60–C (C) The ‘‘*’’ must be replaced by the clearly visible through the overpack, or (A) The mark must be in the form of appropriate UN number(s) and the ‘‘**’’ the handling marking must also be a rectangle with hatched edging. The must be replaced by a telephone number affixed on the outside of the overpack, mark must be not less than 120 mm (4.7 for additional information; and and the overpack must be marked with inches) wide by 110 mm (4.3 inches) (D) Where dimensions are not the word ‘‘OVERPACK’’. high and the minimum width of the specified, all features shall be in hatching must be 5 mm (0.2 inches) approximate proportion to those shown. * * * * * except markings of 105 mm (4.1 inches) (ii) The provisions for marking (e) Low production runs and wide by 74 mm (2.9 inches) high may packages in effect on December 31, 2016 prototypes. Low production runs (i.e., be used on a package containing lithium may continue to be used until December annual production runs consisting of batteries when the package is too small 31, 2018. not more than 100 lithium cells or for the larger mark; (4) * * * batteries), or prototype lithium cells or (B) The symbols and letters must be (ii) When packages required to bear batteries, including equipment black on white or suitable contrasting the lithium battery mark in paragraph transported for purposes of testing, are background and the hatching must be (c)(3)(i) are placed in an overpack, the excepted from the testing and record red; lithium battery mark must either be

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keeping requirements of paragraph (a) of (6) Batteries or battery assemblies potential hazard and the engine when this section, provided: packaged in accordance with this held in any orientation will not release (1) Except as provided in paragraph paragraph are not permitted for any liquid fuel; (e)(3) of this section, each cell or battery transportation by passenger-carrying (2) The fuel tank contains a liquid or is individually packed in a non-metallic aircraft, and may be transported by gaseous fuel. A fuel tank may be inner packaging, inside an outer cargo aircraft only if approved by the considered as not containing fuel when packaging, and is surrounded by Associate Administrator prior to the fuel tank and the fuel lines have cushioning material that is non- transportation; and been completely drained, sufficiently combustible and non-conductive or (7) Shipping papers must include the cleaned of residue, and purged of vapors contained in equipment. Equipment following notation ‘‘Transport in to remove any potential hazard; must be constructed or packaged in a accordance with § 173.185(e).’’ (3) It is equipped with a wet battery manner as to prevent accidental * * * * * (including a non-spillable battery), a operation during transport; (f) * * * sodium battery or a lithium battery; or (2) Appropriate measures shall be (4) The outer package must be marked (4) Except as provided in paragraph taken to minimize the effects of with an indication that the package (f)(1) of this section, it contains other vibration and shocks and prevent contains a ‘‘Damaged/defective lithium hazardous materials subject to the movement of the cells or batteries ion battery’’ and/or ‘‘Damaged/defective requirements of this subchapter. (b) Requirements. Unless otherwise within the package that may lead to lithium metal battery’’ as appropriate. excepted in paragraph (b)(4) of this damage and a dangerous condition The marking required by this paragraph section, vehicles, engines, and during transport. Cushioning material must be in characters at least 12 mm equipment are subject to the following that is non-combustible and non- (0.47 inches) high. requirements: conductive may be used to meet this * * * * * (1) Flammable liquid fuel and fuels requirement ■ 30. In § 173.217, revise paragraph that are marine pollutants. (i) A fuel (3) The lithium cells or batteries are (c)(3) to read as follows: tank containing a flammable liquid fuel packed in inner packagings or contained must be drained and securely closed, in equipment. The inner packaging or § 173.217 Carbon dioxide, solid (dry ice). * * * * * except that up to 500 mL (17 ounces) of equipment is placed in one of the residual fuel may remain in the tank, following outer packagings that meet the (c) * * * (3) The quantity limits per package engine components, or fuel lines requirements of part 178, subparts L and provided they are securely closed to M at the Packing Group I level. Cells shown in Columns (9A) and (9B) of the Hazardous Materials Table in § 172.101 prevent leakage of fuel during and batteries, including equipment of transportation. Self-propelled vehicles different sizes, shapes or masses must are not applicable to dry ice being used as a refrigerant for other than hazardous containing diesel fuel are excepted from be placed into an outer packaging of a the requirement to drain the fuel tanks, tested design type listed in this section materials loaded in a unit load device. In such a case, the unit load device must provided that sufficient ullage space has provided the total gross mass of the been left inside the tank to allow fuel package does not exceed the gross mass be identified to the operator and allow the venting of the carbon dioxide gas to expansion without leakage, and the tank for which the design type has been caps are securely closed. tested. A cell or battery with a net mass prevent a dangerous build-up of pressure. (ii) Engines and machinery containing of more than 30 kg is limited to one cell liquid fuels meeting the definition of a * * * * * or battery per outer packaging; marine pollutant (see § 171.8 of this ■ 31. Section 173.220 is revised to read (i) Metal (4A, 4B, 4N), wooden (4C1, subchapter) and not meeting the as follows: 4C2, 4D, 4F), or solid plastic (4H2) box; classification criteria of any other Class (ii) Metal (1A2, 1B2, 1N2), plywood § 173.220 Internal combustion engines, or Division transported by vessel are (1D), or plastic (1H2) drum. vehicles, machinery containing internal subject to the requirements of § 176.906 (4) Lithium batteries that weigh 12 kg combustion engines, battery-powered of this subchapter. (26.5 pounds) or more and have a equipment or machinery, fuel cell-powered (2) Flammable liquefied or strong, impact-resistant outer casing or equipment or machinery. compressed gas fuel. (i) For assemblies of such batteries, may be (a) Applicability. An internal transportation by motor vehicle, rail car packed in strong outer packagings, in combustion engine, self-propelled or vessel, fuel tanks and fuel systems protective enclosures (for example, in vehicle, machinery containing an containing flammable liquefied or fully enclosed or wooden slatted crates), internal combustion engine that is not compressed gas fuel must be securely or on pallets or other handling devices, consigned under the ‘‘Dangerous goods closed. For transportation by vessel, the instead of packages meeting the UN in machinery or apparatus’’ UN 3363 requirements of §§ 176.78(k), 176.905, performance packaging requirements in entry, a battery-powered vehicle or and 176.906 of this subchapter apply. paragraphs (b)(3)(ii) and (iii) of this equipment, or a fuel cell-powered (ii) For transportation by aircraft: section. The battery or battery assembly vehicle or equipment, or any (A) Flammable gas-powered vehicles, must be secured to prevent inadvertent combination thereof, is subject to the machines, equipment or cylinders movement, and the terminals may not requirements of this subchapter when containing the flammable gas must be support the weight of other transported as cargo on a transport completely emptied of flammable gas. superimposed elements; vehicle, vessel, or aircraft if— Lines from vessels to gas regulators, and (5) Irrespective of the limit specified (1) The vehicle, engine, or machinery gas regulators themselves, must also be in column (9B) of the § 172.101 contains a liquid or gaseous fuel. drained of all traces of flammable gas. Hazardous Materials Table, the battery Vehicles, engines, or machinery may be To ensure that these conditions are met, or battery assembly prepared for considered as not containing fuel when gas shut-off valves must be left open and transport in accordance with this the engine components and any fuel connections of lines to gas regulators paragraph may have a mass exceeding lines have been completely drained, must be left disconnected upon delivery 35 kg gross weight when transported by sufficiently cleaned of residue, and of the vehicle to the operator. Shut-off cargo aircraft; purged of vapors to remove any valves must be closed and lines

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reconnected at gas regulators before (D) Each area or compartment in Equipment (other than vehicles, engines loading the vehicle aboard the aircraft; which a self-propelled vehicle is being or mechanical equipment) such as or alternatively; transported is suitably ventilated to consumer electronic devices containing (B) Flammable gas powered vehicles, prevent the accumulation of fuel vapors. fuel cells (fuel cell cartridges) must be machines or equipment, which have (c) Battery-powered or installed. described as ‘‘Fuel cell cartridges cylinders (fuel tanks) that are equipped Batteries must be securely installed, and contained in equipment’’ and with electrically operated valves, may wet batteries must be fastened in an transported in accordance with be transported under the following upright position. Batteries must be § 173.230. Where a vehicle could conditions: protected against a dangerous evolution possibly be handled in other than an (1) The valves must be in the closed of heat, short circuits, and damage to upright position, the vehicle must be position and in the case of electrically terminals in conformance with secured in a strong, rigid outer operated valves, power to those valves § 173.159(a) and leakage; or must be packaging. The vehicle must be secured must be disconnected; removed and packaged separately under by means capable of restraining the (2) After closing the valves, the § 173.159. Battery-powered vehicles, vehicle in the outer packaging to vehicle, equipment or machinery must machinery or equipment including prevent any movement during transport be operated until it stops from lack of battery-powered wheelchairs and which would change the orientation or fuel before being loaded aboard the mobility aids are not subject to any cause the vehicle to be damaged. aircraft; other requirements of this subchapter (f) Other hazardous materials. (1) (3) In no part of the closed system except § 173.21 of this subchapter when Items containing hazardous materials, shall the pressure exceed 5% of the transported by rail, highway or vessel. such as fire extinguishers, compressed maximum allowable working pressure Where a vehicle could possibly be gas accumulators, safety devices, and of the system or 290 psig (2000 kPa), handled in other than an upright other hazardous materials that are whichever is less; and position, the vehicle must be secured in integral components of the motor (4) There must not be any residual a strong, rigid outer packaging. The vehicle, engine, or mechanical liquefied gas in the system, including vehicle must be secured by means equipment, and that are necessary for the fuel tank. capable of restraining the vehicle in the the operation of the vehicle, engine, or (3) Truck bodies or trailers on flat outer packaging to prevent any mechanical equipment, or for the safety cars—flammable liquid or gas powered. movement during transport which of its operator or passengers, must be Truck bodies or trailers with automatic would change the orientation or cause securely installed in the motor vehicle, heating or refrigerating equipment of the the vehicle to be damaged. engine, or mechanical equipment. Such flammable liquid type may be shipped (d) Lithium batteries. Except as items are not otherwise subject to the with fuel tanks filled and equipment provided in § 172.102, special provision requirements of this subchapter. operating or inoperative, when used for A101, of this subchapter, vehicles, Equipment (other than vehicles, the transportation of other freight and engines, and machinery powered by engines, or mechanical equipment), loaded on flat cars as part of a joint rail lithium metal batteries, that are such as consumer electronic devices and highway movement, provided the transported with these batteries containing lithium batteries, must be equipment and fuel supply conform to installed, are forbidden aboard described as ‘‘Lithium metal batteries the requirements of § 177.834(l) of this passenger-carrying aircraft. Lithium contained in equipment’’ or ‘‘Lithium subchapter. batteries contained in vehicles, engines, ion batteries contained in equipment,’’ (4) Modal exceptions. Quantities of or mechanical equipment must be as appropriate, and transported in flammable liquid fuel greater than 500 securely fastened in the battery holder accordance with § 173.185, and mL (17 ounces) may remain in the fuel of the vehicle, engine, or mechanical applicable special provisions. tank in self-propelled vehicles engines, equipment, and be protected in such a Equipment (other than vehicles, and machinery only under the following manner as to prevent damage and short engines, or mechanical equipment), conditions: circuits (e.g., by the use of non- such as consumer electronic devices (i) For transportation by motor vehicle conductive caps that cover the terminals containing fuel cells (fuel cell or rail car, the fuel tanks must be entirely). Except for vehicles, engines, cartridges), must be described as ‘‘Fuel securely closed. or machinery transported by highway, cell cartridges contained in equipment’’ (ii) For transportation by vessel, the rail, or vessel with prototype or low and transported in accordance with shipment must conform to § 176.905 of production lithium batteries securely § 173.230. this subchapter for self-propelled installed, each lithium battery must be (2) Other hazardous materials must be vehicles and § 176.906 of this of a type that has successfully passed packaged and transported in accordance subchapter for engines and machinery. each test in the UN Manual of Tests and with the requirements of this (iii) For transportation by aircraft, Criteria (IBR, see § 171.7 of this subchapter. when carried in aircraft designed or subchapter), as specified in § 173.185, (g) Additional requirements for modified for vehicle ferry operations unless approved by the Associate internal combustion engines and when all the following conditions must Administrator. Where a vehicle could vehicles with certain electronic be met: possibly be handled in other than an equipment when transported by aircraft (A) Authorization for this type upright position, the vehicle must be or vessel. When an internal combustion operation has been given by the secured in a strong, rigid outer engine that is not installed in a vehicle appropriate authority in the government packaging. The vehicle must be secured or equipment is offered for of the country in which the aircraft is by means capable of restraining the transportation by aircraft or vessel, all registered; vehicle in the outer packaging to fuel, coolant or hydraulic systems (B) Each vehicle is secured in an prevent any movement during transport remaining in the engine must be drained upright position; which would change the orientation or as far as practicable, and all (C) Each fuel tank is filled in a cause the vehicle to be damaged. disconnected fluid pipes that previously manner and only to a degree that will (e) Fuel cells. A fuel cell must be contained fluid must be sealed with preclude spillage of fuel during loading, secured and protected in a manner to leak-proof caps that are positively unloading, and transportation; and prevent damage to the fuel cell. retained. When offered for

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transportation by aircraft, vehicles subchapter as applicable, the provisions evolved according to test U1 (Test equipped with theft-protection devices, of § 173.230(f), as applicable, other method for substances liable to evolve installed radio communications applicable requirements of this flammable vapors) of Part III, sub- equipment or navigational systems must subchapter, including shipping papers, section 38.4.4 of the UN Manual of Tests have such devices, equipment or emergency response information, and Criteria (IBR, see § 171.7 of this systems disabled. notification of pilot-in-command, subchapter), polymeric beads, (h) Exceptions. Except as provided in general packaging requirements, and the expandable need not be classed as Class paragraph (f)(2) of this section, requirements specified in § 173.27 must 9 (UN2211). This test should only be shipments made under the provisions of be met; and performed when de-classification of a this section— (3) For exceptions for transportation substance is considered. (1) Are not subject to any other by vessel; see § 176.905 of this ■ 33. In § 173.225: requirements of this subchapter for subchapter for vehicles, and § 176.906 ■ a. In paragraph (c), the ‘‘Organic transportation by motor vehicle or rail of this subchapter for engines and Peroxide Table’’ is revised. car; machinery. ■ ■ 32. In § 173.221, paragraph (d) is b. In paragraph (e), the ‘‘Organic (2) Are not subject to the requirements added to read as follows: Peroxide IBC Table’’ is revised. of subparts D, E, and F (marking, The revisions are to read as follows: labeling and placarding, respectively) of § 173.221 Polymeric beads, expandable part 172 of this subchapter or § 172.604 and plastic molding compound. § 173.225 Packaging requirements and other provisions for organic peroxides. of this subchapter (emergency response * * * * * telephone number) for transportation by (d) Exceptions. When it can be * * * * * aircraft. For transportation by aircraft, demonstrated that no flammable vapor, (c) * * * the provisions of § 173.159(b)(2) of this resulting in a flammable atmosphere, is (8) * * * ORGANIC PEROXIDE TABLE

Diluent Temperature Concentration (mass %) Water Packing ( °C) Technical name ID No. (mass %) (mass %) method Notes A B I Control Emergency

(1) (2) (3) (4a) (4b) (4c) (5) (6) (7a) (7b) (8)

Acetyl acetone peroxide ...... UN3105 ≤42 ...... ≥48 ...... ≥8 ...... OP7 ...... 2 Acetyl acetone peroxide [as a UN3106 ≤32 ...... OP7 ...... 21 paste]. Acetyl cyclohexanesulfonyl UN3112 ≤82 ...... ≥12 ...... OP4 ¥10 0 ...... peroxide. Acetyl cyclohexanesulfonyl UN3115 ≤32 ...... ≥68 ...... OP7 ¥10 0 ...... peroxide. tert-Amyl hydroperoxide ...... UN3107 ≤88 ...... ≥6 ...... ≥6 ...... OP8 ...... tert-Amyl peroxyacetate ...... UN3105 ≤62 ...... ≥38 ...... OP7 ...... tert-Amyl peroxybenzoate ...... UN3103 ≤100 ...... OP5 ...... tert-Amyl peroxy-2- UN3115 ≤100 ...... OP7 20 25 ...... ethylhexanoate. tert-Amyl peroxy-2-ethylhexyl UN3105 ≤100 ...... OP7 ...... carbonate. tert-Amyl peroxy isopropyl UN3103 ≤77 ...... ≥23 ...... OP5 ...... carbonate. tert-Amyl UN3115 ≤77 ...... ≥23 ...... OP7 0 10 ...... peroxyneodecanoate. tert-Amyl UN3119 ≤47 ...... ≥53 ...... OP8 0 10 ...... peroxyneodecanoate. tert-Amyl peroxypivalate ...... UN3113 ≤77 ...... ≥23 ...... OP5 10 15 ...... tert-Amyl peroxypivalate ...... UN3119 ≤32 ...... ≥68 ...... OP8 10 15 ...... tert-Amyl peroxy-3,5,5- UN3105 ≤100 ...... OP7 ...... trimethylhexanoate. tert-Butyl cumyl peroxide ...... UN3109 >42–100 ...... OP8 ...... 9 tert-Butyl cumyl peroxide ...... UN3108 ≤52 ...... ≥48 ...... OP8 ...... 9 n-Butyl-4,4-di-(tert- UN3103 >52–100 ...... OP5 ...... butylperoxy)valerate. n-Butyl-4,4-di-(tert- UN3108 ≤52 ...... ≥48 ...... OP8 ...... butylperoxy)valerate. tert-Butyl hydroperoxide ...... UN3103 >79–90 ...... ≥10 ...... OP5 ...... 13 tert-Butyl hydroperoxide ...... UN3105 ≤80 ...... ≥20 ...... OP7 ...... 4, 13 tert-Butyl hydroperoxide ...... UN3107 ≤79 ...... >14 ...... OP8 ...... 13, 16 tert-Butyl hydroperoxide ...... UN3109 ≤72 ...... ≥28 ...... OP8 ...... 13 tert-Butyl hydroperoxide [and] UN3103 <82 + >9 ...... ≥7 ...... OP5 ...... 13 Di-tert-butylperoxide. tert-Butyl monoperoxymaleate UN3102 >52–100 ...... OP5 ...... tert-Butyl monoperoxymaleate UN3103 ≤52 ...... ≥48 ...... OP6 ...... tert-Butyl monoperoxymaleate UN3108 ≤52 ...... ≥48 ...... OP8 ...... tert-Butyl monoperoxymaleate UN3108 ≤52 ...... OP8 ...... [as a paste]. tert-Butyl peroxyacetate ...... UN3101 >52–77 ...... ≥23 ...... OP5 ...... tert-Butyl peroxyacetate ...... UN3103 >32–52 ...... ≥48 ...... OP6 ...... tert-Butyl peroxyacetate ...... UN3109 ≤32 ...... ≥68 ...... OP8 ...... tert-Butyl peroxybenzoate ...... UN3103 >77–100 ...... OP5 ...... tert-Butyl peroxybenzoate ...... UN3105 >52–77 ...... ≥23 ...... OP7 ...... 1 tert-Butyl peroxybenzoate ...... UN3106 ≤52 ...... ≥48 ...... OP7 ...... tert-Butyl peroxybenzoate ...... UN3109 ≤32 ...... ≥68 ...... OP8 ......

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ORGANIC PEROXIDE TABLE—Continued

Diluent Temperature Concentration (mass %) Water Packing ( °C) Technical name ID No. (mass %) (mass %) method Notes A B I Control Emergency

(1) (2) (3) (4a) (4b) (4c) (5) (6) (7a) (7b) (8)

tert-Butyl peroxybutyl fuma- UN3105 ≤52 ...... ≥48 ...... OP7 ...... rate. tert-Butyl peroxycrotonate ...... UN3105 ≤77 ...... ≥23 ...... OP7 ...... tert-Butyl peroxydiethylacetate UN3113 ≤100 ...... OP5 20 25 ...... tert-Butyl peroxy-2- UN3113 >52–100 ...... OP6 20 25 ...... ethylhexanoate. tert-Butyl peroxy-2- UN3117 >32–52 ...... ≥48 ...... OP8 30 35 ...... ethylhexanoate. tert-Butyl peroxy-2- UN3118 ≤52 ...... ≥48 ...... OP8 20 25 ...... ethylhexanoate. tert-Butyl peroxy-2- UN3119 ≤32 ...... ≥68 ...... OP8 40 45 ...... ethylhexanoate. tert-Butyl peroxy-2- UN3106 ≤12 + ≤14 ...... ≥14 ...... ≥60 ...... OP7 ...... ethylhexanoate [and] 2,2-di- (tert-Butylperoxy)butane. tert-Butyl peroxy-2- UN3115 ≤31 + ≤36 ...... ≥33 ...... OP7 35 40 ...... ethylhexanoate [and] 2,2-di- (tert-Butylperoxy)butane. tert-Butyl peroxy-2- UN3105 ≤100 ...... OP7 ...... ethylhexylcarbonate. tert-Butyl peroxyisobutyrate ... UN3111 >52–77 ...... ≥23 ...... OP5 15 20 ...... tert-Butyl peroxyisobutyrate ... UN3115 ≤52 ...... ≥48 ...... OP7 15 20 ...... tert-Butylperoxy UN3103 ≤77 ...... ≥23 ...... OP5 ...... isopropylcarbonate. 1-(2-tert-Butylperoxy iso- UN3105 ≤77 ...... ≥23 ...... OP7 ...... propyl)-3- isopropenylbenzene. 1-(2-tert-Butylperoxy iso- UN3108 ≤42 ...... ≥58 ...... OP8 ...... propyl)-3- isopropenylbenzene. tert-Butyl peroxy-2- UN3103 ≤100 ...... OP5 ...... methylbenzoate. tert-Butyl UN3115 >77–100 ...... OP7 ¥5 5 ...... peroxyneodecanoate. tert-Butyl UN3115 ≤77 ...... ≥23 ...... OP7 0 10 ...... peroxyneodecanoate. tert-Butyl UN3119 ≤52 ...... OP8 0 10 ...... peroxyneodecanoate [as a stable dispersion in water]. tert-Butyl UN3118 ≤42 ...... OP8 0 10 ...... peroxyneodecanoate [as a stable dispersion in water (frozen)]. tert-Butyl UN3119 ≤32 ...... ≥68 ...... OP8 0 10 ...... peroxyneodecanoate. tert-Butyl UN3115 ≤77 ...... ≥23 ...... OP7 0 10 ...... peroxyneoheptanoate. tert-Butyl UN3117 ≤42 ...... OP8 0 10 ...... peroxyneoheptanoate [as a stable dispersion in water]. tert-Butyl peroxypivalate ...... UN3113 >67–77 ...... ≥23 ...... OP5 0 10 ...... tert-Butyl peroxypivalate ...... UN3115 >27–67 ...... ≥33 ...... OP7 0 10 ...... tert-Butyl peroxypivalate ...... UN3119 ≤27 ...... ≥73 ...... OP8 30 35 ...... tert-Butylperoxy UN3106 ≤100 ...... OP7 ...... stearylcarbonate. tert-Butyl peroxy-3,5,5- UN3105 >37–100 ...... OP7 ...... trimethylhexanoate. tert-Butyl peroxy-3,5,5- UN3106 ≤42 ...... ≥58 ...... OP7 ...... trimethlyhexanoate. tert-Butyl peroxy-3,5,5- UN3109 ≤37 ...... ≥63 ...... OP8 ...... trimethylhexanoate. 3-Chloroperoxybenzoic acid .. UN3102 >57–86 ...... ≥14 ...... OP1 ...... 3-Chloroperoxybenzoic acid .. UN3106 ≤57 ...... ≥3 ...... ≥40 ...... OP7 ...... 3-Chloroperoxybenzoic acid .. UN3106 ≤77 ...... ≥6 ...... ≥17 ...... OP7 ...... Cumyl hydroperoxide ...... UN3107 >90–98 ...... ≤10 ...... OP8 ...... 13 Cumyl hydroperoxide ...... UN3109 ≤90 ...... ≥10 ...... OP8 ...... 13, 15 Cumyl peroxyneodecanoate .. UN3115 ≤87 ...... ≥13 ...... OP7 ¥10 0 ...... Cumyl peroxyneodecanoate .. UN3115 ≤77 ...... ≥23 ...... OP7 ¥10 0 ...... Cumyl peroxyneodecanoate UN3119 ≤52 ...... OP8 ¥10 0 ...... [as a stable dispersion in water]. Cumyl peroxyneoheptanoate UN3115 ≤77 ...... ≥23 ...... OP7 ¥10 0 ...... Cumyl peroxypivalate ...... UN3115 ≤77 ...... ≥23 ...... OP7 ¥5 5 ...... Cyclohexanone peroxide(s) ... UN3104 ≤91 ...... ≥9 ...... OP6 ...... 13 Cyclohexanone peroxide(s) ... UN3105 ≤72 ...... ≥28 ...... OP7 ...... 5 Cyclohexanone peroxide(s) UN3106 ≤72 ...... OP7 ...... 5, 21 [as a paste].

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ORGANIC PEROXIDE TABLE—Continued

Diluent Temperature Concentration (mass %) Water Packing ( °C) Technical name ID No. (mass %) (mass %) method Notes A B I Control Emergency

(1) (2) (3) (4a) (4b) (4c) (5) (6) (7a) (7b) (8)

Cyclohexanone peroxide(s) ... Exempt ≤32 ...... >68 ...... Exempt ...... 29 Diacetone alcohol peroxides .. UN3115 ≤57 ...... ≥26 ...... ≥8 ...... OP7 40 45 5 Diacetyl peroxide ...... UN3115 ≤27 ...... ≥73 ...... OP7 20 25 8,13 Di-tert-amyl peroxide ...... UN3107 ≤100 ...... OP8 ...... ([3R- (3R, 5aS, 6S, 8aS, 9R, UN3106 ≤100 ...... OP7 ...... 10R, 12S, 12aR**)]- Decahydro-10-methoxy-3, 6, 9-trimethyl-3, 12-epoxy- 12H-pyrano [4, 3- j]-1, 2- benzodioxepin). 2,2-Di-(tert-amylperoxy)-bu- UN3105 ≤57 ...... ≥43 ...... OP7 ...... tane. 1,1-Di-(tert- UN3103 ≤82 ...... ≥18 ...... OP6 ...... amylperoxy)cyclohexane. Dibenzoyl peroxide ...... UN3102 >52–100 ...... ≤48 ...... OP2 ...... 3 Dibenzoyl peroxide ...... UN3102 >77–94 ...... ≥6 ...... OP4 ...... 3 Dibenzoyl peroxide ...... UN3104 ≤77 ...... ≥23 ...... OP6 ...... Dibenzoyl peroxide ...... UN3106 ≤62 ...... ≥28 ...... ≥10 ...... OP7 ...... Dibenzoyl peroxide [as a UN3106 >52–62 ...... OP7 ...... 21 paste]. Dibenzoyl peroxide ...... UN3106 >35–52 ...... ≥48 ...... OP7 ...... Dibenzoyl peroxide ...... UN3107 >36–42 ...... ≥18 ...... ≤40 ...... OP8 ...... Dibenzoyl peroxide [as a UN3108 ≤56.5 ...... ≥15 ...... OP8 ...... paste]. Dibenzoyl peroxide [as a UN3108 ≤52 ...... OP8 ...... 21 paste]. Dibenzoyl peroxide [as a sta- UN3109 ≤42 ...... OP8 ...... ble dispersion in water]. Dibenzoyl peroxide ...... Exempt ≤35 ...... ≥65 ...... Exempt ...... 29 Di-(4-tert- UN3114 ≤100 ...... OP6 30 35 ...... butylcyclohexy- l)peroxydicarbonate. Di-(4-tert- UN3119 ≤42 ...... OP8 30 35 ...... butylcyclohexy- l)peroxydicarbonate [as a stable dispersion in water]. Di-tert-butyl peroxide ...... UN3107 >52–100 ...... OP8 ...... Di-tert-butyl peroxide ...... UN3109 ≤52 ...... ≥48 ...... OP8 ...... 24 Di-tert-butyl peroxyazelate ..... UN3105 ≤52 ...... ≥48 ...... OP7 ...... 2,2-Di-(tert- UN3103 ≤52 ...... ≥48 ...... OP6 ...... butylperoxy)butane. 1,6-Di-(tert- UN3103 ≤72 ...... ≥28 ...... OP5 ...... butylperoxycarbonylox- y)hexane. 1,1-Di-(tert- UN3101 >80–100 ...... OP5 ...... butylperoxy)cyclohexane. 1,1-Di-(tert- UN3103 >52–80 ...... ≥20 ...... OP5 ...... butylperoxy)cyclohexane. 1,1-Di-(tert-butylperoxy)- UN3103 ≤72 ...... ≥28 ...... OP5 ...... 30 cyclohexane. 1,1-Di-(tert- UN3105 >42–52 ...... ≥48 ...... OP7 ...... butylperoxy)cyclohexane. 1,1-Di-(tert- UN3106 ≤42 ...... ≥13 ...... ≥45 ...... OP7 ...... butylperoxy)cyclohexane. 1,1-Di-(tert- UN3107 ≤27 ...... ≥25 ...... OP8 ...... 22 butylperoxy)cyclohexane. 1,1-Di-(tert- UN3109 ≤42 ...... ≥58 ...... OP8 ...... butylperoxy)cyclohexane. 1,1-Di-(tert-Butylperoxy) UN3109 ≤37 ...... ≥63 ...... OP8 ...... cyclohexane. 1,1-Di-(tert- UN3109 ≤25 ...... ≥25 ...... ≥50 ...... OP8 ...... butylperoxy)cyclohexane. 1,1-Di-(tert- UN3109 ≤13 ...... ≥13 ...... ≥74 ...... OP8 ...... butylperoxy)cyclohexane. Di-n-butyl peroxydicarbonate UN3115 >27–52 ...... ≥48 ...... OP7 ¥15 ¥5 ...... Di-n-butyl peroxydicarbonate UN3117 ≤27 ...... ≥73 ...... OP8 ¥10 0 ...... Di-n-butyl peroxydicarbonate UN3118 ≤42 ...... OP8 ¥15 ¥5 ...... [as a stable dispersion in water (frozen)]. Di-sec-butyl UN3113 >52–100 ...... OP4 ¥20 ¥10 6 peroxydicarbonate. Di-sec-butyl UN3115 ≤52 ...... ≥48 ...... OP7 ¥15 ¥5 ...... peroxydicarbonate. Di-(tert-butylperoxyisopropyl) UN3106 >42–100 ...... ≤57 ...... OP7 ...... 1, 9 benzene(s). Di-(tert-butylperoxyisopropyl) Exempt ≤42 ...... ≥58 ...... Exempt ...... benzene(s).

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ORGANIC PEROXIDE TABLE—Continued

Diluent Temperature Concentration (mass %) Water Packing ( °C) Technical name ID No. (mass %) (mass %) method Notes A B I Control Emergency

(1) (2) (3) (4a) (4b) (4c) (5) (6) (7a) (7b) (8)

Di-(tert-butylperoxy)phthalate UN3105 >42–52 ...... ≥48 ...... OP7 ...... Di-(tert-butylperoxy)phthalate UN3106 ≤52 ...... OP7 ...... 21 [as a paste]. Di-(tert-butylperoxy)phthalate UN3107 ≤42 ...... ≥58 ...... OP8 ...... 2,2-Di-(tert- UN3105 ≤52 ...... ≥48 ...... OP7 ...... butylperoxy)propane. 2,2-Di-(tert- UN3106 ≤42 ...... ≥13 ...... ≥45 ...... OP7 ...... butylperoxy)propane. 1,1-Di-(tert-butylperoxy)-3,3,5- UN3101 >90–100 ...... OP5 ...... trimethylcyclohexane. 1,1-Di-(tert-butylperoxy)-3,3,5- UN3103 >57–90 ...... ≥10 ...... OP5 ...... trimethylcyclohexane. 1,1-Di-(tert-butylperoxy)-3,3,5- UN3103 ≤77 ...... ≥23 ...... OP5 ...... trimethylcyclohexane. 1,1-Di-(tert-butylperoxy)-3,3,5- UN3103 ≤90 ...... ≥10 ...... OP5 ...... 30 trimethylcyclohexane. 1,1-Di-(tert-butylperoxy)-3,3,5- UN3110 ≤57 ...... ≥43 ...... OP8 ...... trimethylcyclohexane. 1,1-Di-(tert-butylperoxy)-3,3,5- UN3107 ≤57 ...... ≥43 ...... OP8 ...... trimethylcyclohexane. 1,1-Di-(tert-butylperoxy)-3,3,5- UN3107 ≤32 ...... ≥26 ...... ≥42 ...... OP8 ...... trimethylcyclohexane. Dicetyl peroxydicarbonate ...... UN3120 ≤100 ...... OP8 30 35 ...... Dicetyl peroxydicarbonate [as UN3119 ≤42 ...... OP8 30 35 ...... a stable dispersion in water]. Di-4-chlorobenzoyl peroxide .. UN3102 ≤77 ...... ≥23 ...... OP5 ...... Di-4-chlorobenzoyl peroxide .. Exempt ≤32 ...... ≥68 ...... Exempt ...... 29 Di-2,4-dichlorobenzoyl per- UN3118 ≤52 ...... OP8 ...... 20 25 ...... oxide [as a paste]. Di-4-chlorobenzoyl peroxide UN3106 ≤52 ...... OP7 ...... 21 [as a paste]. Dicumyl peroxide ...... UN3110 >52–100 ...... ≤48 ...... OP8 ...... 9 Dicumyl peroxide ...... Exempt ≤52 ...... ≥48 ...... Exempt ...... 29 Dicyclohexyl UN3112 >91–100 ...... OP3 10 15 ...... peroxydicarbonate. Dicyclohexyl UN3114 ≤91 ...... ≥9 ...... OP5 10 15 ...... peroxydicarbonate. Dicyclohexyl UN3119 ≤42 ...... OP8 15 20 ...... peroxydicarbonate [as a stable dispersion in water]. Didecanoyl peroxide ...... UN3114 ≤100 ...... OP6 30 35 ...... 2,2-Di-(4,4-di(tert- UN3106 ≤42 ...... ≥58 ...... OP7 ...... butylperox- y)cyclohexyl)propane. 2,2-Di-(4,4-di(tert- UN3107 ≤22 ...... ≥78 ...... OP8 ...... butylperox- y)cyclohexyl)propane. Di-2,4-dichlorobenzoyl per- UN3102 ≤77 ...... ≥23 ...... OP5 ...... oxide. Di-2,4-dichlorobenzoyl per- UN3106 ≤52 ...... OP7 ...... oxide [as a paste with sili- cone oil]. Di-(2-ethoxyethyl) UN3115 ≤52 ...... ≥48 ...... OP7 ¥10 0 ...... peroxydicarbonate. Di-(2-ethylhexyl) UN3113 >77–100 ...... OP5 ¥20 ¥10 ...... peroxydicarbonate. Di-(2-ethylhexyl) UN3115 ≤77 ...... ≥23 ...... OP7 ¥15 ¥5 ...... peroxydicarbonate. Di-(2-ethylhexyl) UN3119 ≤62 ...... OP8 ¥15 ¥5 ...... peroxydicarbonate [as a stable dispersion in water]. Di-(2-ethylhexyl) UN3119 ≤52 ...... OP8 ¥15 ¥5 ...... peroxydicarbonate [as a stable dispersion in water]. Di-(2-ethylhexyl) UN3120 ≤52 ...... OP8 ¥15 ¥5 ...... peroxydicarbonate [as a stable dispersion in water (frozen)]. 2,2-Dihydroperoxypropane .... UN3102 ≤27 ...... ≥73 ...... OP5 ...... Di-(1- UN3106 ≤100 ...... OP7 ...... hydroxycyclohexyl)peroxide. Diisobutyryl peroxide ...... UN3111 >32–52 ...... ≥48 ...... OP5 ¥20 ¥10 ...... Diisobutyryl peroxide ...... UN3115 ≤32 ...... ≥68 ...... OP7 ¥20 ¥10 ...... Diisopropylbenzene UN3106 ≤82 ...... ≥5 ...... ≥5 ...... OP7 ...... 17 dihydroperoxide. Diisopropyl peroxydicarbonate UN3112 >52–100 ...... OP2 ¥15 ¥5 ......

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ORGANIC PEROXIDE TABLE—Continued

Diluent Temperature Concentration (mass %) Water Packing ( °C) Technical name ID No. (mass %) (mass %) method Notes A B I Control Emergency

(1) (2) (3) (4a) (4b) (4c) (5) (6) (7a) (7b) (8)

Diisopropyl peroxydicarbonate UN3115 ≤52 ...... ≥48 ...... OP7 ¥20 ¥10 ...... Diisopropyl peroxydicarbonate UN3115 ≤32 ...... ≥68 ...... OP7 ¥15 ¥5 ...... Dilauroyl peroxide ...... UN3106 ≤100 ...... OP7 ...... Dilauroyl peroxide [as a sta- UN3109 ≤42 ...... OP8 ...... ble dispersion in water]. Di-(3-methoxybutyl) UN3115 ≤52 ...... ≥48 ...... OP7 ¥5 5 ...... peroxydicarbonate. Di-(2-methylbenzoyl)peroxide UN3112 ≤87 ...... ≥13 ...... OP5 30 35 ...... Di-(4-methylbenzoyl)peroxide UN3106 ≤52 ...... OP7 ...... [as a paste with silicone oil]. Di-(3-methylbenzoyl) peroxide UN3115 ≤20 + ...... ≥58 ...... OP7 35 40 ...... + Benzoyl (3- methylbenzoyl) peroxide + Dibenzoyl peroxide...... ≤18 + ≤4 ...... 2,5-Dimethyl-2,5-di- UN3102 >82–100 ...... OP5 ...... (benzoylperoxy)hexane. 2,5-Dimethyl-2,5-di- UN3106 ≤82 ...... ≥18 ...... OP7 ...... (benzoylperoxy)hexane. 2,5-Dimethyl-2,5-di- UN3104 ≤82 ...... ≥18 ...... OP5 ...... (benzoylperoxy)hexane. 2,5-Dimethyl-2,5-di-(tert- UN3103 >90–100 ...... OP5 ...... butylperoxy)hexane. 2,5-Dimethyl-2,5-di-(tert- UN3105 >52–90 ...... ≥10 ...... OP7 ...... butylperoxy)hexane. 2,5-Dimethyl-2,5-di-(tert- UN3108 ≤77 ...... ≥23 ...... OP8 ...... butylperoxy)hexane. 2,5-Dimethyl-2,5-di-(tert- UN3109 ≤52 ...... ≥48 ...... OP8 ...... butylperoxy)hexane. 2,5-Dimethyl-2,5-di-(tert- UN3108 ≤47 ...... OP8 ...... butylperoxy)hexane [as a paste]. 2,5-Dimethyl-2,5-di-(tert- UN3101 >86–100 ...... OP5 ...... butylperoxy)hexyne-3. 2,5-Dimethyl-2,5-di-(tert- UN3103 >52–86 ...... ≥14 ...... OP5 ...... butylperoxy)hexyne-3. 2,5-Dimethyl-2,5-di-(tert- UN3106 ≤52 ...... ≥48 ...... OP7 ...... butylperoxy)hexyne-3. 2,5-Dimethyl-2,5-di-(2- UN3113 ≤100 ...... OP5 20 25 ...... ethylhexanoylperox- y)hexane. 2,5-Dimethyl-2,5- UN3104 ≤82 ...... ≥18 ...... OP6 ...... dihydroperoxyhexane. 2,5-Dimethyl-2,5-di-(3,5,5- UN3105 ≤77 ...... ≥23 ...... OP7 ...... trimethylhexanoylperox- y)hexane. 1,1-Dimethyl-3- UN3117 ≤52 ...... ≥48 ...... OP8 0 10 ...... hydroxybutylperoxyneohept- anoate. Dimyristyl peroxydicarbonate UN3116 ≤100 ...... OP7 20 25 ...... Dimyristyl peroxydicarbonate UN3119 ≤42 ...... OP8 20 25 ...... [as a stable dispersion in water]. Di-(2- UN3115 ≤52 ...... ≥48 ...... OP7 ¥10 0 ...... neodecanoylperoxyisoprop- yl)benzene. Di-(2-neodecanoyl- UN3119 ≤42 ...... OP8 ¥15 ¥5 ...... peroxyisopropyl) benzene, as stable dispersion in water. Di-n-nonanoyl peroxide ...... UN3116 ≤100 ...... OP7 0 10 ...... Di-n-octanoyl peroxide ...... UN3114 ≤100 ...... OP5 10 15 ...... Di-(2- UN3102 >85–100 ...... OP5 ...... phenoxyethy- l)peroxydicarbonate. Di-(2- UN3106 ≤85 ...... ≥15 ...... OP7 ...... phenoxyethy- l)peroxydicarbonate. Dipropionyl peroxide ...... UN3117 ≤27 ...... ≥73 ...... OP8 15 20 ...... Di-n-propyl peroxydicarbonate UN3113 ≤100 ...... OP3 ¥25 ¥15 ...... Di-n-propyl peroxydicarbonate UN3113 ≤77 ...... ≥23 ...... OP5 ¥20 ¥10 ...... Disuccinic acid peroxide ...... UN3102 >72–100 ...... OP4 ...... 18 Disuccinic acid peroxide ...... UN3116 ≤72 ...... ≥28 ...... OP7 10 15 ...... Di-(3,5,5-trimethylhexanoyl) UN3115 >52–82 ...... ≥18 ...... OP7 0 10 ...... peroxide.

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ORGANIC PEROXIDE TABLE—Continued

Diluent Temperature Concentration (mass %) Water Packing ( °C) Technical name ID No. (mass %) (mass %) method Notes A B I Control Emergency

(1) (2) (3) (4a) (4b) (4c) (5) (6) (7a) (7b) (8)

Di-(3,5,5- UN3119 ≤52 ...... OP8 10 15 ...... trimethylhexanoyl)peroxide [as a stable dispersion in water]. Di-(3,5,5- UN3119 ≤38 ...... ≥62 ...... OP8 20 25 ...... trimethylhexanoyl)peroxide. Ethyl 3,3-di-(tert- UN3105 ≤67 ...... ≥33 ...... OP7 ...... amylperoxy)butyrate. Ethyl 3,3-di-(tert- UN3103 >77–100 ...... OP5 ...... butylperoxy)butyrate. Ethyl 3,3-di-(tert- UN3105 ≤77 ...... ≥23 ...... OP7 ...... butylperoxy)butyrate. Ethyl 3,3-di-(tert- UN3106 ≤52 ...... ≥48 ...... OP7 ...... butylperoxy)butyrate. 1-(2-ethylhexanoylperoxy)- UN3115 ≤52 ...... ≥45 ...... ≥10 ...... OP7 ¥20 ¥10 ...... 1,3-Dimethylbutyl peroxypivalate. tert-Hexyl UN3115 ≤71 ...... ≥29 ...... OP7 0 10 ...... peroxyneodecanoate. tert-Hexyl peroxypivalate ...... UN3115 ≤72 ...... ≥28 ...... OP7 10 15 ...... 3-Hydroxy-1,1-dimethylbutyl UN3115 ≤77 ...... ≥23 ...... OP7 ¥5 5 ...... peroxyneodecanoate. 3-Hydroxy-1,1-dimethylbutyl UN3119 ≤52 ...... OP8 ¥5 5 ...... peroxyneodecanoate [as a stable dispersion in water]. 3-Hydroxy-1,1-dimethylbutyl UN3117 ≤52 ...... ≥48 ...... OP8 ¥5 5 ...... peroxyneodecanoate. Isopropyl sec-butyl UN3111 ≤52 + ≤28 ...... OP5 ¥20 ¥10 ...... peroxydicarbonat + Di-sec- butyl peroxydicarbonate + Di-isopropyl peroxydicarbonate...... + ≤22 ...... Isopropyl sec-butyl UN3115 ≤32 + ≤15 ...... ≥38 ...... OP7 ¥20 ¥10 ...... peroxydicarbonate + Di- sec-butyl peroxydicarbonate + Di-isopropyl peroxydicarbonate. ¥18 ...... + ≤12 ...... ¥15 ...... Isopropylcumyl hydroperoxide UN3109 ≤72 ...... ≥28 ...... OP8 ...... 13 p-Menthyl hydroperoxide ...... UN3105 >72–100 ...... OP7 ...... 13 p-Menthyl hydroperoxide ...... UN3109 ≤72 ...... ≥28 ...... OP8 ...... Methylcyclohexanone per- UN3115 ≤67 ...... ≥33 ...... OP7 35 40 ...... oxide(s). Methyl ethyl ketone per- UN3101 ≤52 ...... ≥48 ...... OP5 ...... 5, 13 oxide(s). Methyl ethyl ketone per- UN3105 ≤45 ...... ≥55 ...... OP7 ...... 5 oxide(s). Methyl ethyl ketone per- UN3107 ≤40 ...... ≥60 ...... OP8 ...... 7 oxide(s). Methyl isobutyl ketone per- UN3105 ≤62 ...... ≥19 ...... OP7 ...... 5, 23 oxide(s). Methyl isopropyl ketone per- UN3109 (See remark 31) ≥70 ...... OP8 ...... 31 oxide(s). Organic peroxide, liquid, sam- UN3103 ...... OP2 ...... 12 ple. Organic peroxide, liquid, sam- UN3113 ...... OP2 ...... 12 ple, temperature controlled. Organic peroxide, solid, sam- UN3104 ...... OP2 ...... 12 ple. Organic peroxide, solid, sam- UN3114 ...... OP2 ...... 12 ple, temperature controlled. 3,3,5,7,7-Pentamethyl-1,2,4- UN3107 ≤100 ...... OP8 ...... Trioxepane. Peroxyacetic acid, type D, UN3105 ≤43 ...... OP7 ...... 13, 20 stabilized. Peroxyacetic acid, type E, UN3107 ≤43 ...... OP8 ...... 13, 20 stabilized. Peroxyacetic acid, type F, UN3109 ≤43 ...... OP8 ...... 13, 20, 28 stabilized. Peroxyacetic acid or peracetic UN3107 ≤36 ...... ≥15 ...... OP8 ...... 13, 20, 28 acid [with not more than 7% hydrogen peroxide].

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ORGANIC PEROXIDE TABLE—Continued

Diluent Temperature Concentration (mass %) Water Packing ( °C) Technical name ID No. (mass %) (mass %) method Notes A B I Control Emergency

(1) (2) (3) (4a) (4b) (4c) (5) (6) (7a) (7b) (8)

Peroxyacetic acid or peracetic Exempt ≤6 ...... ≥60 ...... Exempt ...... 28 acid [with not more than 20% hydrogen peroxide]. Peroxyacetic acid or peracetic UN3109 ≤17 ...... OP8 ...... 13, 20, 28 acid [with not more than 26% hydrogen peroxide]. Peroxylauric acid ...... UN3118 ≤100 ...... OP8 35 40 ...... Pinanyl hydroperoxide ...... UN3105 >56–100 ...... OP7 ...... 13 Pinanyl hydroperoxide ...... UN3109 ≤56 ...... ≥44 ...... OP8 ...... Polyether poly-tert- UN3107 ≤52 ...... ≥48 ...... OP8 ...... butylperoxycarbonate. Tetrahydronaphthyl UN3106 ≤100 ...... OP7 ...... hydroperoxide. 1,1,3,3-Tetramethylbutyl UN3105 ≤100 ...... OP7 ...... hydroperoxide. 1,1,3,3-Tetramethylbutyl UN3115 ≤100 ...... OP7 15 20 ...... peroxy-2-ethylhexanoate. 1,1,3,3-Tetramethylbutyl UN3115 ≤72 ...... ≥28 ...... OP7 ¥5 5 ...... peroxyneodecanoate. 1,1,3,3-Tetramethylbutyl UN3119 ≤52 ...... OP8 ¥5 5 ...... peroxyneodecanoate [as a stable dispersion in water]. 1,1,3,3-tetramethylbutyl UN3115 ≤77 ...... ≥23 ...... OP7 0 10 ...... peroxypivalate. 3, 6, 9-Triethyl-3, 6, 9- UN3110 ≤17 ...... ≥18 ...... ≥65 ...... OP8 ...... trimethyl-1, 4, 7- triperoxonane. 3,6,9-Triethyl-3,6,9-trimethyl- UN3105 ≤42 ...... ≥58 ...... OP7 ...... 26 1,4,7-triperoxonane. Di-(3, 5, 5-trimethylhexanoyl) UN3119 >38–52 ...... ≥48 ...... OP8 10 15 ...... peroxide. 1. For domestic shipments, OP8 is authorized. 2. Available oxygen must be <4.7%. 3. For concentrations <80% OP5 is allowed. For concentrations of at least 80% but <85%, OP4 is allowed. For concentrations of at least 85%, maximum package size is OP2. 4. The diluent may be replaced by di-tert-butyl peroxide. 5. Available oxygen must be ≤9% with or without water. 6. For domestic shipments, OP5 is authorized. 7. Available oxygen must be ≤8.2% with or without water. 8. Only non-metallic packagings are authorized. 9. For domestic shipments this material may be transported under the provisions of paragraph (h)(3)(xii) of this section. 10. [Reserved] 11. [Reserved] 12. Samples may only be offered for transportation under the provisions of paragraph (b)(2) of this section. 13. ‘‘Corrosive’’ subsidiary risk label is required. 14. [Reserved] 15. No ‘‘Corrosive’’ subsidiary risk label is required for concentrations below 80%. 16. With <6% di-tert-butyl peroxide. 17. With ≤8% 1-isopropylhydroperoxy-4-isopropylhydroxybenzene. 18. Addition of water to this organic peroxide will decrease its thermal stability. 19. [Reserved] 20. Mixtures with hydrogen peroxide, water and acid(s). 21. With diluent type A, with or without water. 22. With ≥36% diluent type A by mass, and in addition ethylbenzene. 23. With ≥19% diluent type A by mass, and in addition methyl isobutyl ketone. 24. Diluent type B with boiling point >100 C. 25. No ‘‘Corrosive’’ subsidiary risk label is required for concentrations below 56%. 26. Available oxygen must be ≤7.6%. 27. Formulations derived from distillation of peroxyacetic acid originating from peroxyacetic acid in a concentration of not more than 41% with water, total active ox- ygen less than or equal to 9.5% (peroxyacetic acid plus hydrogen peroxide). 28. For the purposes of this section, the names ‘‘Peroxyacetic acid’’ and ‘‘Peracetic acid’’ are synonymous. 29. Not subject to the requirements of this subchapter for Division 5.2. 30. Diluent type B with boiling point >130 °C (266 °F). 31. Available oxygen ≤6.7%.

* * * * * (e) ** *

ORGANIC PEROXIDE IBC TABLE

Maximum Control Emergency UN No. Organic peroxide Type of IBC quantity (liters) temperature temperature

3109 ...... ORGANIC PEROXIDE, TYPE F, LIQUID...... tert-Butyl cumyl peroxide ...... 31HA1 1000 ...... tert-Butyl hydroperoxide, not more than 72% with water ...... 31A 1250 ...... tert-Butyl peroxyacetate, not more than 32% in diluent type A 31A 1250 ......

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ORGANIC PEROXIDE IBC TABLE—Continued

Maximum Control Emergency UN No. Organic peroxide Type of IBC quantity (liters) temperature temperature

31HA1 1000 ...... tert-Butyl peroxybenzoate, not more than 32% in diluent type 31A 1250 ...... A. tert-Butyl peroxy-3,5,5-trimethylhexanoate, not more than 31A 1250 ...... 37% in diluent type A. 31HA1 1000 ...... Cumyl hydroperoxide, not more than 90% in diluent type A .... 31HA1 1250 ...... Dibenzoyl peroxide, not more than 42% as a stable disper- 31H1 1000 ...... sion. Di-tert-butyl peroxide, not more than 52% in diluent type B .... 31A 1250 ...... 31HA1 1000 ...... 1,1-Di-(tert-Butylperoxy) cyclohexane, not more than 37% in 31A 1250 ...... diluent type A. 1,1-Di-(tert-butylperoxy) cyclohexane, not more than 42% in 31H1 1000 ...... diluent type A. Dicumyl peroxide, less than or equal to 100% ...... 31A 1250 ...... 31HA1 1000 ...... Dilauroyl peroxide, not more than 42%, stable dispersion, in 31HA1 1000 ...... water. Isopropyl cumyl hydroperoxide, not more than 72% in diluent 31HA1 1250 ...... type A. p-Menthyl hydroperoxide, not more than 72% in diluent type 31HA1 1250 ...... A. Peroxyacetic acid, stabilized, not more than 17% ...... 31A 1500 ...... 31H1 1500 ...... 31H2 1500 ...... 31HA1 1500 ...... Peroxyacetic acid, with not more than 26% hydrogen per- 31A 1500 ...... oxide. 31HA1 1500 ...... Peroxyacetic acid, type F, stabilized ...... 31A 1500 ...... 31HA1 1500 ...... 3110 ORGANIC PEROXIDE TYPE F, SOLID...... Dicumyl peroxide, less than or equal to 100% ...... 31A 2000 ...... 31H1 ...... 31HA1 ...... 3119 ORGANIC PEROXIDE, TYPE F, LIQUID, TEMPERATURE ...... CONTROLLED. tert-Amyl peroxypivalate, not more than 32% in diluent type A 31A 1250 + 10 °C ...... + 15 °C tert-Butyl peroxy-2-ethylhexanoate, not more than 32% in dil- 31HA1 1000 + 30 °C ...... + 35 °C uent type B. 31A 1250 + 30 °C ...... + 35 °C tert-Butyl peroxyneodecanoate, not more than 32% in diluent 31A 1250 0 °C ...... + 10 °C type A. tert-Butyl peroxyneodecanoate, not more than 52%, stable 31A 1250 ¥5 °C ...... + 5 °C dispersion, in water. tert-Butyl peroxypivalate, not more than 27% in diluent type B 31HA1 1000 + 10 °C ...... + 15 °C 31A 1250 + 10 °C ...... + 15 °C Di-(4-tert-butylcyclohexyl) peroxydicarbonate, not more than 31HA1 1000 + 30 °C ...... + 35 °C 42%, stable dispersion, in water. Dicetyl peroxydicarbonate, not more than 42%, stable disper- 31HA1 1000 + 30 °C ...... + 35 °C sion, in water. Dicyclohexylperoxydicarbonate, not more than 42% as a sta- 31A 1250 + 10 °C ...... + 15 °C ble dispersion, in water. Di-(2-ethylhexyl) peroxydicarbonate, not more than 62%, sta- 31A 1250 ¥20 °C ...... ¥10 °C ble dispersion, in water. 31HA1 1000 ¥20 ßC ...... ¥10 ßC Diisobutyryl peroxide, not more than 28% as a stable disper- 31HA1 1000 ¥20 °C ...... ¥10 °C sion in water. 31A 1250 ¥20 °C ...... ¥10 °C Diisobutyryl peroxide, not more than 42% as a stable disper- 31HA1 1000 ¥25 °C ...... ¥15 °C sion in water. 31A 1250 ¥25 °C ...... ¥15 °C Dimyristyl peroxydicarbonate, not more than 42%, stable dis- 31HA1 1000 + 15 °C ...... + 20 °C persion, in water. Di-(2-neodecanoylperoxyisopropyl) benzene, not more than 31A 1250 ¥15 °C ...... ¥5 °C 42%, stable dispersion, in water. Di-(3,5,5-trimethylhexanoyl) peroxide, not more than 52% in 31HA1 1000 + 10 °C ...... + 15 °C diluent type A. 31A 1250 + 10 °C ...... + 15 °C

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ORGANIC PEROXIDE IBC TABLE—Continued

Maximum Control Emergency UN No. Organic peroxide Type of IBC quantity (liters) temperature temperature

Di-(3,5,5-trimethylhexanoyl) peroxide, not more than 52%, 31A 1250 + 10 °C ...... + 15 °C stable dispersion, in water. 3-Hydroxy-1,1-dimethylbutyl peroxy-neodecanoate, not more 31A 1250 ¥15 °C ...... ¥5 °C than 52%, stable dispersion, in water. 1,1,3,3-Tetramethylbutyl peroxy-2-ethylhexanoate, not more 31HA1 1000 +15 ßC ...... +20 ßC than 67%, in diluent type A. 1,1,3,3-Tetramethylbutyl peroxyneodecanoate, not more than 31A 1250 ¥5 °C ...... + 5 °C 52%, stable dispersion, in water. 31HA1 1000 ¥5 °C ...... + 5 °C

* * * * * transport of acetylene gas as specified in pressure of the pressure receptacles. The ■ 34. In § 173.301b, paragraphs (a)(2), this section. vapor pressures and volumetric (c)(1), and (g) are revised to read as (i) Each UN acetylene cylinder must expansions of all substances in the follows: conform to ISO 3807:2013:Gas pressure receptacles shall be cylinders—Acetylene cylinders—Basic considered. The maximum filling limits § 173.301b Additional general requirements and type testing (IBR, see may be determined using the procedure requirements for shipment of UN pressure § 171.7 of this subchapter), have a receptacles. in (3)(e) of P200 of the UN homogeneous monolithic porous mass Recommendations. (a) * * * filler and be charged with acetone or a * * * * * (2) The gases or gas mixtures must be suitable solvent as specified in the compatible with the UN pressure ■ 37. Section 173.310, is revised to read standard. UN acetylene cylinders must as follows: receptacle and valve materials as have a minimum test pressure of 52 bar prescribed for metallic materials in ISO and may be filled up to the pressure § 173.310 Exceptions for radiation 11114–1:2012 (IBR, see § 171.7 of this limits specified in ISO 3807–2013. The detectors. subchapter) and for non-metallic use of UN tubes and MEGCs is not materials in ISO 11114–2:2013 Gas Radiation detectors, radiation sensors, authorized. electron tube devices, or ionization cylinders—Compatibility of cylinder (ii) Until December 31, 2020, and valve materials with gas contents— chambers, herein referred to as cylinders conforming to the ‘‘radiation detectors,’’ that contain only Part 2: Non-metallic materials (IBR, see requirements in ISO 3807–2: Cylinders § 171.7 of this subchapter). Division 2.2 gases in non-refillable for acetylene—Basic requirements—Part cylinders, are excepted from the * * * * * 2: Cylinders with fusible plugs. (IBR, see specification packaging in this (c) * * * § 171.7 of this subchapter), having a subchapter and, except when (1) When the use of a valve is homogeneous monolithic porous mass transported by air, from labeling and prescribed, the valve must conform to filler and charged with acetone or a placarding requirements of this the requirements in ISO 10297:2006 suitable solvent as specified in the subchapter when designed, packaged, (IBR, see § 171.7 of this subchapter). standard are authorized. UN acetylene and transported as follows: Until December 31, 2020, the cylinders must have a minimum test (a) Radiation detectors must be single- manufacture of a valve conforming to pressure of 52 bar and may be filled up the requirements in ISO 10297:2006 trip, hermetically sealed, welded metal to the pressure limits specified in ISO inside containers that will not fragment (IBR, see § 171.7 of this subchapter) is 3807–2. authorized. Until December 31, 2008, upon impact. * * * * * (b) Radiation detectors must not have the manufacture of a valve conforming ■ 36. In 173.304b, paragraph (b)(5) is a design pressure exceeding 5.00 MPa to the requirements in ISO 10297:1999 added to read as follows: (IBR, see § 171.7 of this subchapter) is (725 psig) and a capacity exceeding 405 authorized. § 173.304b Additional requirements for fluid ounces (731 cubic inches). They must be designed and fabricated with a * * * * * shipment of liquefied compressed gases in UN pressure receptacles. burst pressure of not less than three (g) Composite cylinders in underwater times the design pressure if the use. A composite cylinder certified to * * * * * radiation detector is equipped with a ISO–11119–2 or ISO–11119–3 may not (b) * * * (5) For liquefied gases charged with pressure relief device, and not less than be used for underwater applications compressed gases, both components— four times the design pressure if the unless the cylinder is manufactured in the liquid phase and the compressed detector is not equipped with a pressure accordance with the requirements for gas—have to be taken into consideration relief device. underwater use and is marked ‘‘UW’’ as in the calculation of the internal (c) Radiation detectors must be prescribed in § 178.71(q)(18) of this pressure in the pressure receptacle. The shipped in a strong outer packaging subchapter. ■ 35. In § 173.303, paragraph (f)(1) is maximum mass of contents per liter of capable of withstanding a drop test of at revised to read as follows: water capacity shall not exceed 95 least 1.2 meters (4 feet) without percent of the density of the liquid breakage of the radiation detector or § 173.303 Charging of cylinders with phase at 50 °C (122 °F); in addition, the rupture of the outer packaging. If the compressed gas in a solution (acetylene). liquid phase shall not completely fill radiation detector is shipped as part of * * * * * the pressure receptacle at any other equipment, the equipment must (f) * * * temperature up to 60 °C (140 °F). When be packaged in strong outer packaging (1) UN cylinders and bundles of filled, the internal pressure at 65 °C or the equipment itself must provide an cylinders are authorized for the (149 °F) shall not exceed the test equivalent level of protection.

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(d) Emergency response information aircraft and must accomplish this location need to be provided. For accompanying each shipment and through the development, consumer commodities, the information available from each emergency response implementation, and maintenance of a provided may be either the gross mass telephone number for radiation passenger notification system. of each package or the average gross detectors must identify those (b) Passenger notification system mass of the packages as shown on the receptacles that are not fitted with a requirements. The passenger shipping paper; pressure relief device and provide notification system required by * * * * * appropriate guidance for exposure to paragraph (a) of this section must ensure ■ 43. Section 175.900 is revised to read fire. that: as follows: (e) Transport in accordance with this (1) A passenger is presented with section must be noted on the shipping information required under paragraph § 175.900 Handling requirements for paper. (a) of this section at the point of ticket carbon dioxide, solid (dry ice). (f) Radiation detectors, including purchase or, if this is not practical, in Carbon dioxide, solid (dry ice) when detectors in radiation detection systems, another way prior to boarding pass shipped by itself or when used as a are not subject to any other issuance; refrigerant for other commodities, may requirements of this subchapter if the (2) A passenger is presented with be carried only if the operator has made detectors meet the requirements in information required under paragraph suitable arrangements based on the paragraphs (a) through (d) of this section (a) of this section at the point of aircraft type, the aircraft ventilation and the capacity of detector receptacles boarding pass issuance (i.e., check-in), rates, the method of packing and does not exceed 50 ml (1.69 fluid or when no boarding pass is issued, stowing, whether animals will be ounces). prior to boarding the aircraft; carried on the same flight and other ■ 38. In § 173.335, paragraph (a) is (3) A passenger, where the ticket factors. The operator must ensure that revised to read as follows: purchase and/or boarding pass issuance the ground staff is informed that the dry can be completed by a passenger ice is being loaded or is on board the § 173.335 Chemical under pressure n.o.s. without the involvement of another aircraft. For arrangements between the (a) General requirements. A cylinder person, acknowledges that they have shipper and operator, see § 173.217 of filled with a chemical under pressure been presented with the information this subchapter. Where dry ice is must be offered for transportation in required under paragraph (a) of this contained in a unit load device (ULD) accordance with the requirements of section; and prepared by a single shipper in this section and § 172.301 of this (4) A passenger is presented with accordance with § 173.217 of this subchapter. In addition, a DOT information required under paragraph subchapter and the operator after the specification cylinder must meet the (a) of this section at each of the places acceptance adds additional dry ice, the requirements in §§ 173.301a, 173.302, at an airport where tickets are issued, operator must ensure that the 173.302a, and 173.305, as applicable. boarding passes are issued, passenger information provided to the pilot-in- UN pressure receptacles must meet the baggage is dropped off, aircraft boarding command and the marking on the ULD requirements in §§ 173.301b, 173.302b, areas are maintained, and at any other when used as a packaging reflects that and 173.304b, as applicable. Where location where boarding passes are revised quantity of dry ice. more than one section applies to a issued and/or checked baggage is cylinder, the most restrictive accepted. This information must PART 176—CARRIAGE BY VESSEL requirements must be followed. include visual examples of forbidden ■ 44. The authority citation for part 176 * * * * * hazardous materials. (c) Aircraft operator manual continues to read as follows: PART 175—CARRIAGE BY AIRCRAFT requirements. For certificate holders Authority: 49 U.S.C. 5101–5128; 49 CFR under 14 CFR parts 121 and 135, 1.81 and 1.97. ■ 39. The authority citation for part 175 procedures and information necessary ■ 45. In § 176.83, paragraph (a)(4)(ii) is continues to read as follows: to allow personnel to implement and revised to read as follows: Authority: 49 U.S.C. 5101–5128, 44701; 49 maintain the passenger notification CFR 1.81 and 1.97. system required in paragraphs (a) and § 176.83 Segregation. ■ 40. In § 175.10, revise paragraph (a)(7) (b) of this section must be described in (a) * * * to read as follows: an operations manual and/or other (4) * * * appropriate manuals in accordance with (ii) Between hazardous materials of § 175.10 Exceptions for passengers, 14 CFR parts 121 or 135. different classes which comprise a crewmembers, and air operators. ■ 42. In § 175.33, revise paragraph (a)(3) group of substances that do not react * * * * * to read as follows: dangerously with each other. The (a) * * * following materials are grouped by (7) A small medical or clinical § 175.33 Shipping paper and notification of compatibility: mercury thermometer for personal use, pilot-in-command. (A) Hydrogen peroxide, aqueous when carried in a protective case in * * * * * solutions with not less than 8 percent checked baggage. (a) * * * but less than 20 percent hydrogen * * * * * (3) The net quantity or gross weight, peroxide (stabilized as necessary); ■ 41. Section 175.25 is revised to read as applicable, for each package except Hydrogen peroxide, aqueous solutions as follows: those containing Class 7 (radioactive) with not less than 20 percent but not materials. For a shipment consisting of more than 40 percent hydrogen § 175.25 Passenger notification system. multiple packages containing hazardous peroxide; Hydrogen peroxide, aqueous (a) Each person who engages in for materials bearing the same proper solutions with more than 40 percent but hire air transportation of passengers shipping name and identification not more than 60 percent hydrogen must effectively inform passengers number, only the total quantity and an peroxide; Hydrogen peroxide and about hazardous materials that indication of the quantity of the largest peroxyacetic acid mixtures, stabilized passengers are forbidden to transport on and smallest package at each loading with acids, water and not more than 5

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percent peroxyacetic acid; Organic reactive, Organometallic substance, reactive, flammable, and Organometallic peroxide type D, liquid; Organic liquid, pyrophoric, water-reactive, substance, solid, self-heating. peroxide type E, liquid; Organic Organometallic substance, solid, water- * * * * * peroxide type F, liquid; reactive, Organometallic substance, ■ 46. In § 176.84(b), table provisions 149 (B) Dichlorosilane, Silicon solid, water-reactive, flammable, and 150 are added: tetrachloride, and Trichlorosilane; and Organometallic substance, solid, water- (C) Organometallic substance, solid, reactive, self-heating, Organometallic § 176.84 Other requirements for stowage, cargo handling, and segregation for cargo pyrophoric, Organometallic substance, substance, liquid, water-reactive, liquid, pyrophoric, Organometallic vessels and passenger vessels. Organometallic substance, liquid, water- substance, solid, pyrophoric, water- (b) * * *

Code Provisions

******* 149 ...... For engines or machinery containing fuels with flash point equal or greater than 23 °C (73.4 °F) , stowage Category A. 150 ...... For uranium metal pyrophoric and thorium metal pyrophoric stowage, category D applies.

*******

* * * * * otherwise approved by the Associate (i) Exceptions. A vehicle is not subject ■ 47. Section 176.905 is revised as Administrator. to the requirements of this subchapter if follows: (5) Whenever possible, each vehicle any of the following are met: must be stowed to allow for its (1) The vehicle is stowed in a hold or § 176.905 Stowage of vehicles. inspection during transportation. compartment designated by the (a) A vehicle powered by an internal (6) Vehicles may be refueled when administration of the country in which combustion engine, a fuel cell, batteries necessary in the hold of a vessel in the vessel is registered as specially or a combination thereof is subject to accordance with § 176.78. designed and approved for vehicles and the following requirements when (b) All equipment used for handling there are no signs of leakage from the carried as cargo on a vessel: vehicles must be designed so that the battery, engine, fuel cell, compressed (1) Before being loaded on a vessel, fuel tank and the fuel system of the gas cylinder or accumulator, or fuel each vehicle must be inspected for signs vehicle are protected from stress that tank, as appropriate. For vehicles with of leakage from batteries, engines, fuel might cause rupture or other damage batteries connected and fuel tanks cells, compressed gas cylinders or incident to handling. containing gasoline transported by U.S. accumulators, or fuel tank(s) when (c) Two hand-held, portable, dry vessels, see 46 CFR 70.10–1 and 90.10– applicable, and any identifiable faults in chemical fire extinguishers of at least 38; the electrical system that could result in 4.5 kg (10 pounds) capacity each must (i) For vehicles powered solely by short circuit or other unintended be separately located in an accessible lithium batteries and hybrid electric electrical source of ignition. A vehicle location in each hold or compartment in showing any signs of leakage or vehicles powered by both an internal which any vehicle is stowed. combustion engine and lithium metal or electrical fault may not be transported. (d) ‘‘NO SMOKING’’ signs must be ion batteries offered in accordance with (2) For flammable liquid powered conspicuously posted at each access this paragraph, the lithium batteries, vehicles, the fuel tank(s) containing the opening to the hold or compartment. flammable liquid, may not be more than (e) Each portable electrical light, except for prototype or those produced one fourth full and the flammable liquid including a flashlight, used in the in low production, must be of a type must not exceed 250 L (66 gal) unless stowage area must be an approved, that has successfully passed each test in otherwise approved by the Associate explosion-proof type. All electrical the UN Manual of Tests and Criteria Administrator. connections for any light must be made (IBR, see § 171.7 of this subchapter), as (3) For flammable gas powered to outlets outside the space in which specified in § 173.185(a) of this vehicles, the fuel shut-off valve of the any vehicle is stowed. subchapter. Where a lithium battery fuel tank(s) must be securely closed. (f) Each hold or compartment must be installed in a vehicle is damaged or (4) For vehicles with batteries ventilated and fitted with an overhead defective, the battery must be removed. installed, the batteries shall be protected water sprinkler system or fixed fire (ii) [Reserved]. from damage, short circuit, and extinguisher system. (2) The vehicle is powered by a accidental activation during transport. (g) Each hold or compartment must be flammable liquid that has a flashpoint of Except for vehicles with prototype or equipped with a smoke or fire detection 38 °C (100 °F) or above, the fuel tank low production lithium batteries (see system capable of alerting personnel on contains 450 L (119 gallons) of fuel or § 173.185(d) of this subchapter) securely the bridge. less, there are no leaks in any portion installed, each lithium battery must be (h) All electrical equipment in the of the fuel system, and installed of a type that has successfully passed hold or compartment other than fixed batteries are protected from short each test in the UN Manual of Tests and explosion-proof lighting must be circuit; Criteria (IBR, see § 171.7 of this disconnected from its power source at a (3) The vehicle is powered by a subchapter), as specified in § 173.185(a) location outside the hold or flammable liquid fuel that has a of this subchapter, unless approved by compartment during the handling and flashpoint less than 38 °C (100 °F), the the Associate Administrator. Where a transportation of any vehicle. Where the fuel tank is empty, and installed lithium battery installed in a vehicle is disconnecting means is a switch or batteries are protected from short damaged or defective, the battery must circuit breaker, it must be locked in the circuit. Vehicles are considered to be be removed and transported according open position until all vehicles have empty of flammable liquid fuel when to § 173.185(f) of this subchapter, unless been removed. the fuel tank has been drained and the

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vehicles cannot be operated due to a be separately located in an accessible § 172.101 of this subchapter, if the lack of fuel. Engine components such as location in each hold or compartment in following are met: fuel lines, fuel filters and injectors do which engine or machinery is stowed. (i) Any valves or openings (e.g. not need to be cleaned, drained or (d) ‘‘NO SMOKING’’ signs must be venting devices) for liquid fuels must be purged to be considered empty. The fuel conspicuously posted at each access closed during transport; tank does not need to be cleaned or opening to the hold or compartment. (ii) The engines or machinery must be purged; (e) Each portable electrical light, oriented to prevent inadvertent leakage (4) The vehicle is powered by a including a flashlight, used in the of dangerous goods and secured by flammable gas (liquefied or stowage area must be an approved, means capable of restraining the engines compressed), the fuel tanks are empty explosion-proof type. All electrical or machinery to prevent any movement and the positive pressure in the tank connections for any light must be made during transport which would change does not exceed 2 bar (29 psig), the fuel to outlets outside the space in which the orientation or cause them to be shut-off or isolation valve is closed and any engine or machinery is stowed. damaged; secured, and installed batteries are (f) Each hold or compartment must be (iii) For UN 3528 and UN 3530: protected from short circuit; ventilated and fitted with an overhead (A) Where the engine or machinery (5) The vehicle is solely powered by water sprinkler system or fixed fire contains more than 60 L (16 Gal) of a wet or dry electric storage battery or extinguisher system. liquid fuel and has a capacity of not a sodium battery, and the battery is (g) Each hold or compartment must be more than 450 L (119 Gal), it shall be protected from short circuit; or equipped with a smoke or fire detection labelled in accordance with subpart E of (6) The vehicle is powered by a fuel system capable of alerting personnel on part 172 of this subchapter; cell engine, the engine is protected from the bridge. (B) Where the engine or machinery (h) All electrical equipment in the inadvertent operation by closing fuel contains more than 60 L of liquid fuel hold or compartment other than fixed supply lines or by other means, and the and has a capacity of more than 450 L explosion-proof lighting must be fuel supply reservoir has been drained (119 Gal) but not more than 3,000 L (793 disconnected from its power source at a and sealed. Gal), it shall be labeled on two opposing location outside the hold or (j) Except as provided in § 173.220(f) sides in accordance with § 172.406(e) of compartment during the handling and of this subchapter, the provisions of this this subchapter; transportation of any engine or subchapter do not apply to items of (C) Where the engine or machinery machinery. Where the disconnecting equipment such as fire extinguishers, contains more than 60 L (16 Gal) of means is a switch or circuit breaker, it compressed gas accumulators, airbag liquid fuel and has a capacity of more must be locked in the open position inflators and the like which are installed than 3,000 L (793 Gal), it shall be until all engines or machinery has been in the vehicle if they are necessary for placarded on two opposing sides in the operation of the vehicle, or for the removed. (i) Exceptions. (1) An engine or accordance with subpart F of part 172 safety of its operator or passengers. of this subchapter; and ■ machinery is not subject to the 48. Section 176.906 is added to read (D) For UN 3530 the marking as follows: requirements of this subchapter if the engine or machinery is empty of liquid requirements of § 172.322 of this § 176.906 Stowage of engines and or gaseous fuel(s), does not contain subchapter also apply. machinery. other dangerous goods, and installed (iv) For UN 3529: (a) Any engine or machinery powered batteries are protected from short (A) Where the fuel tank of the engine by internal combustion systems, with or circuit. An engine and machinery is or mechanical equipment has a water without batteries installed, is subject to considered to be empty of fuel when: capacity of not more than 450 L (119 the following requirements when (i) For liquid fuels, the liquid fuel Gal), the labeling requirements of carried as cargo on a vessel: tank has been drained and the subpart E of part 172 of this subchapter (1) Before being loaded on a vessel, mechanical equipment cannot be shall apply; each engine or machinery must be operated due to a lack of fuel. Engine (B) Where the fuel tank of the inspected for fuel leaks and identifiable and machinery components such as fuel mechanical equipment has a water faults in the electrical system that could lines, fuel filters and injectors do not capacity of more than 450 L (119 Gal) result in short circuit or other need to be cleaned, drained or purged but not more than 1,000 L (264 Gal), it unintended electrical source of ignition. to be considered empty of liquid fuels. shall be labeled on two opposing sides Engines or machinery showing any In addition, the liquid fuel tank does not in accordance with § 172.406(e) of this signs of leakage or electrical fault may need to be cleaned or purged; subchapter; not be transported. (ii) For gaseous fuels, the gaseous fuel (C) Where the fuel tank of the (2) The fuel tanks of an engine or tanks are empty of liquid (for liquefied mechanical equipment has a water machinery powered by liquid fuel may gases), the positive pressure in the tanks capacity of more than 1,000 L (264 Gal), not be more than one-fourth full. does not exceed 2 bar (29 psig) and the it shall be placarded on two opposing (3) Whenever possible, each engine or fuel shut-off or isolation valve is closed sides in accordance with subpart F of machinery must be stowed to allow for and secured; or this subchapter. its inspection during transportation. (iii) The engine or machinery is (v) Except for engines or machinery (b) All equipment used for handling powered by a fuel cell engine and the offered in accordance with paragraph engines or machinery must be designed engine is protected from inadvertent (i)(1) of this section, a shipping paper so that the fuel tank and the fuel system operation by closing fuel supply lines or prepared in accordance with part 172 of of the engines or machinery are by other means, and the fuel supply this subchapter is required and shall protected from stress that might cause reservoir has been drained and sealed. contain the following additional rupture or other damage incident to (2) An engine or machinery is not statement ‘‘Transport in accordance handling. subject to the requirements of this with § 176.906.’’ For transportation in (c) Two hand-held, portable, dry subchapter except for § 173.185 of this accordance with the IMDG Code (IBR, chemical fire extinguishers of at least subchapter and the vessel stowage see § 171.7 of this subchapter) the 4.5 kg (10 pounds) capacity each must provisions of column 10 of table following alternative statement is

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authorized ‘‘Transport in accordance 4: Stainless steel cylinders with an Rm testing—Part 1: Hoop wrapped fibre with special provision 363.’’ value of less than 1 100 MPa (IBR, see reinforced composite gas cylinders and (j) Except as provided in § 173.220(f) § 171.7 of this subchapter). tubes up to 450 l (IBR, see § 171.7 of this of this subchapter, the provisions of this (h) Design and construction subchapter). Until December 31, 2020, subchapter do not apply to items of requirements for UN refillable seamless cylinders conforming to the equipment such as fire extinguishers, aluminum alloy cylinders. In addition to requirements in ISO 11119–1(E), Gas compressed gas accumulators, airbag the general requirements of this section, cylinders—Gas cylinders of composite inflators and the like which are installed UN refillable seamless aluminum construction—Specification and test in the engine or machinery if they are cylinders must conform to ISO methods—Part 1: Hoop-wrapped necessary for the operation of the engine 7866:2012 Gas cylinders—Refillable composite gas cylinders, First edition, or machinery, or for the safety of its seamless aluminium alloy gas May 2002 (IBR, see § 171.7 of this operator or passengers. cylinders—Design, construction and subchapter) are authorized. testing (including Technical (ii) ISO 11119–2:2012 Gas cylinders— PART 178—SPECIFICATIONS FOR Corrigendum 1) (IBR, see § 171.7 of this Refillable composite gas cylinders and PACKAGINGS subchapter). Until December 31, 2020, tubes—Design, construction and ■ 49. The authority citation for part 178 cylinders conforming to the testing—Part 2: Fully wrapped fibre continues to read as follows: requirements in ISO 7866: Gas reinforced composite gas cylinders and cylinders—Refillable seamless tubes up to 450 l with load-sharing Authority: 49 U.S.C. 5101–5128; 49 CFR aluminum alloy gas cylinders—Design, metal liners (including Amendment 1.81 and 1.97. construction and testing (IBR, see 1:2014) (IBR, see § 171.7 of this ■ 50. In § 178.71: § 171.7 of this subchapter) are subchapter). Until December 31, 2020, ■ a. Revise paragraph (d)(2); authorized. The use of Aluminum alloy cylinders conforming to the ■ b. Add paragraph (g)(4), 6351–T6 or equivalent is prohibited. requirements in ISO 11119–2(E), Gas ■ c. Revise paragraphs (h), (k)(2), (l), and * * * * * cylinders—Gas cylinders of composite (o)(2); construction—Specification and test ■ d. Add paragraphs (q)(20) and (21); (k) * * * (2) The porous mass in an acetylene methods—Part 2: Fully wrapped fibre and reinforced composite gas cylinders with ■ cylinder must conform to ISO e. Revise paragraph (r). load-sharing metal liners, First edition, The revisions and additions read as 3807:2013: Gas cylinders—Acetylene May 2002 (IBR, see § 171.7 of this follows: cylinders—Basic requirements and type testing (IBR, see § 171.7 of this subchapter) are authorized. § 178.71 Specifications for UN pressure subchapter). Until December 31, 2020, (iii) ISO 11119–3:2013 Gas receptacles. the manufacture of a cylinder cylinders—Refillable composite gas * * * * * conforming to the requirements in ISO cylinders and tubes—Design, (d) * * * 3807–2: Cylinders for acetylene—Basic construction and testing—Part 3: Fully (2) Service equipment must be requirements—Part 2: Cylinders with wrapped fibre reinforced composite gas configured or designed to prevent fusible plugs (IBR, see § 171.7 of this cylinders and tubes up to 450 l with damage that could result in the release subchapter) is authorized. non-load-sharing metallic or non- of the pressure receptacle contents (l) Design and construction metallic liners (IBR, see § 171.7 of this during normal conditions of handling requirements for UN composite subchapter). Until December 31, 2020, and transport. Manifold piping leading cylinders and tubes. (1) In addition to cylinders conforming to the to shut-off valves must be sufficiently the general requirements of this section, requirements in ISO 11119–3(E), Gas flexible to protect the valves and the UN composite cylinders and tubes must cylinders of composite construction— piping from shearing or releasing the be designed for a design life of not less Specification and test methods—Part 3: pressure receptacle contents. The filling than 15 years. Composite cylinders and Fully wrapped fibre reinforced and discharge valves and any protective tubes with a design life longer than 15 composite gas cylinders with non-load- caps must be secured against years must not be filled after 15 years sharing metallic or non-metallic liners, unintended opening. The valves must from the date of manufacture, unless the First edition, September 2002, (IBR, see conform to ISO 10297:2014 Gas design has successfully passed a service § 171.7 of this subchapter) are cylinders—Cylinder valves— life test program. The service life test authorized. Specification and type testing, or ISO program must be part of the initial (iv) ISO 11515:2013 Gas cylinders— 13340 (IBR, see § 171.7 of this design type approval and must specify Refillable composite reinforced tubes of subchapter) for non-refillable pressure inspections and tests to demonstrate water capacity between 450 L and 3000 receptacles, and be protected as that cylinders manufactured accordingly L—Design, construction and testing specified in § 173.301b(f) of this remain safe to the end of their design (IBR, see § 171.7 of this subchapter). subchapter. Until December 31, 2020, life. The service life test program and (2) ISO 11119–2 and ISO 11119–3 gas the manufacture of a valve conforming the results must be approved by the cylinders of composite construction to the requirements in ISO 10297:2006 competent authority of the country of manufactured in accordance with the (IBR, see § 171.7 of this subchapter) is approval that is responsible for the requirements for underwater use must authorized. Until December 31, 2008, initial approval of the cylinder design. bear the ‘‘UW’’ mark. the manufacture of a valve conforming The service life of a composite cylinder * * * * * to the requirements in ISO 10297:1999 or tube must not be extended beyond its (o) * * * (IBR, see § 171.7 of this subchapter) is initial approved design life. (2) ISO 11114–2:2013 Gas cylinders— authorized. Additionally, composite cylinders and Compatibility of cylinder and valve * * * * * tubes must conform to the following ISO materials with gas contents—Part 2: (g) * * * standards, as applicable: Non-metallic materials (IBR, see § 171.7 (4) ISO 9809–4:2014 Gas cylinders— (i) ISO 11119–1:2012 Gas cylinders— of this subchapter). Refillable seamless steel gas cylinders— Refillable composite gas cylinders and * * * * * Design, construction and testing—Part tubes—Design, construction and (q) * * *

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(20) For composite cylinders and date of manufacture (initial inspection) paragraphs (q)(13) through (19) of this tubes having a limited design life, the shown as the year (four digits) followed section. letters ‘‘FINAL’’ followed by the design by followed by the month (two digits) (2) The middle grouping contains life shown as the year (four digits) separated by a slash (i.e. ‘‘/’’). operational marks described in followed by the month (two digits) (r) Marking sequence. The marking paragraphs (q)(6) through (11) of this separated by a slash (i.e. ‘‘/’’). section. required by paragraph (q) of this section (21) For composite cylinders and (3) The bottom grouping contains must be placed in three groups as tubes having a limited design life greater certification marks and must appear than 15 years and for composite shown in the example below: consecutively in the sequence given in cylinders and tubes having non-limited (1) The top grouping contains paragraphs (q)(1) through (5) of this design life, the letters ‘‘SERVICE’’ manufacturing marks and must appear section. followed by the date 15 years from the consecutively in the sequence given in BILLING CODE 4910–60–P

BILLING CODE 4910–60–C (f) A venting device must be fitted to ■ 54. In § 180.205, paragraph (c) is ■ 51. In § 178.75, existing paragraph Flexible Bulk Containers intended to revised to read as follows: (d)(3)(iv) is redesignated as (d)(3)(v), transport hazardous materials that may and new paragraph (d)(3)(iv) is added to § 180.205 General requirements for develop dangerous accumulation of requalification of specification cylinders. read as follows: gases within the Flexible Bulk * * * * * § 178.75 Specifications for MEGCs. Container. Any venting device must be (c) Periodic requalification of designed so that external foreign (d) * * * cylinders. Each cylinder bearing a DOT substances or the ingress of water are specification marking must be (3) * * * prevented from entering the Flexible requalified and marked as specified in (iv) ISO 9809–4:2014 Gas cylinders— Bulk Container through the venting the Requalification Table in this Refillable seamless steel gas cylinders— device under conditions normally subpart. Each cylinder bearing a DOT Design, construction and testing—Part incident to transportation. special permit number must be 4: Stainless steel cylinders with an Rm requalified and marked in conformance value of less than 1 100 MPa (IBR, see PART 180—CONTINUING with this section and the terms of the § 171.7 of this subchapter). QUALIFICATION AND MAINTENANCE applicable special permit. Each CRC, * * * * * OF PACKAGINGS BTC, CTC or TC cylinder must be ■ 52. In § 178.1015 paragraph (f) is requalified and marked as specified in ■ 53. The authority citation for part 180 revised to read as follows: the Transport Canada TDG Regulations continues to read as follows: (IBR, see § 171.7 of this subchapter). No § 178.1015 General Flexible Bulk Container Authority: 49 U.S.C. 5101–5128; 49 CFR cylinder may be filled with a hazardous standards. 1.81 and 1.97. material and offered for transportation * * * * * in commerce unless that cylinder has

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been successfully requalified and ■ 55. In § 180.207, paragraph (d)(3) is (B) The facility is registered in marked in accordance with this subpart. revised to read as follows: accordance with the Transport Canada A cylinder may be requalified at any TDG Regulations to repair the time during or before the month and § 180.207 Requirements for requalification corresponding TC specification; and of UN pressure receptacles. year that the requalification is due. (C) All repairs are performed using However, a cylinder filled before the * * * * * the quality control procedures used to requalification becomes due may remain (d) * * * obtain the Certificate of Authorization. in service until it is emptied. A cylinder (3) Dissolved acetylene UN cylinders: (b) Repair. The suitability of each with a specified service life may not be Each dissolved acetylene cylinder must repair affecting the structural integrity refilled and offered for transportation be requalified in accordance with ISO or lading retention capability of the after its authorized service life has 10462:2013 Gas cylinders—Acetylene cargo tank must be determined by the expired. cylinders—Periodic inspection and testing required either in the applicable (1) Each cylinder that is requalified in maintenance (IBR, see § 171.7 of this manufacturing specification or in accordance with the requirements subchapter). Until December 31, 2018 § 180.407(g)(1)(iv). Except for a repair specified in this section must be marked requalification may be done in performed by a facility in Canada in in accordance with § 180.213, or in the accordance with ISO 10462 (E), Gas accordance with paragraph (a)(1)(iii) of case of a CRC, BTC, CTC or TC cylinder, cylinders—Transportable cylinders for this section, each repair of a cargo tank in accordance with the requirements of dissolved acetylene—Periodic involving welding on the shell or head the Transport Canada TDG Regulations. inspection and maintenance, Second must be certified by a Registered (2) Each cylinder that fails edition, February 2005 (IBR, see § 171.7 Inspector. The following provisions requalification must be: of this subchapter). The porous mass apply to specific cargo tank repairs: (i) Rejected and may be repaired or and the shell must be requalified no sooner than 3 years, 6 months, from the * * * * * rebuilt in accordance with § 180.211 or ■ 57. In § 180.605, paragraph (g)(1) is § 180.212, as appropriate; or date of manufacture. Thereafter, subsequent requalifications of the revised to read as follows: (ii) Condemned in accordance with porous mass and shell must be paragraph (i) of this section. § 180.605 Requirements for periodic performed at least once every ten years. (3) For DOT specification cylinders, testing, inspection and repair of portable tanks. the marked service pressure may be * * * * * changed upon approval of the Associate ■ 56. In § 180.413, paragraph (a)(1)(iii) * * * * * Administrator and in accordance with is added and the introductory text of (g) * * * written procedures specified in the paragraph (b) is revised to read as (1) The shell is inspected for pitting, approval. follows: corrosion, or abrasions, dents, distortions, defects in welds or any (4) For a specification 3, 3A, 3AA, § 180.413 Repair, modification, stretching, 3AL, 3AX, 3AXX, 3B, 3BN, or 3T rebarrelling, or mounting of specification other conditions, including leakage, that cylinder filled with gases in other than cargo tanks. might render the portable tank unsafe for transportation. The wall thickness Division 2.2, from the first (a) * * * must be verified by appropriate requalification due on or after December (1) * * * measurement if this inspection indicates 31, 2003, the burst pressure of a CG–1, (iii) A repair, as defined in § 180.403, a reduction of wall thickness; CG–4, or CG–5 pressure relief device of a DOT specification cargo tank used must be at test pressure with a tolerance for the transportation of hazardous * * * * * of plus zero to minus 10%. An materials in the United States may be Issued in Washington, DC, on August 23, additional 5% tolerance is allowed performed by a facility in Canada in 2016, under authority delegated in 49 CFR when a combined rupture disc is placed accordance with the Transport Canada 1.97. inside a holder. This requirement does TDG Regulations (IBR, see § 171.7 of William Schoonover, not apply if a CG–2, CG–3 or CG–9 this subchapter) provided: Acting Associate Administrator for thermally activated relief device or a (A) The facility holds a valid Hazardous Materials Safety, Pipeline and CG–7 reclosing pressure valve is used Certificate of Authorization from a Hazardous Materials Safety Administration. on the cylinder. provincial pressure vessel jurisdiction [FR Doc. 2016–20580 Filed 9–6–16; 8:45 am] * * * * * for repair; BILLING CODE 4910–60–P

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