§ 172.102 49 CFR Ch. I (10–1–02 Edition)

LIST OF MARINE POLLUTANTS—Continued LIST OF MARINE POLLUTANTS—Continued

S.M.P. Marine pollutant S.M.P. Marine pollutant (1) (2) (1) (2)

PP Polyhalogenated biphenyls, liquid or Terphenyls liq- Trichlorobenzenes, liquid uid Trichlorobutene PP Polyhalogenated biphenyls, solid or Terphenyls, Trichlorobutylene solid Trichloromethane sulphuryl chloride PP Potassium cuprocyanide Trichloromethyl sulphochloride Potassium cyanide, solid Trichloronat Potassium cyanide, solution (less than 1% ortho-isomer) PP Potassium cyanocuprate (I) PP Tricresyl phosphate, not less than 1% ortho-isomer PP Potassium cyanomercurate but not more than 3% orthoisomer PP Potassium mercuric iodide PP Tricresyl phosphate with more than 3 per cent ortho isomer Propachlor Triethylbenzene Propaphos Triisopropylated phenyl phosphates Propenal, inhibited Trimethylene dichloride PP Triphenylphosphate Triphenyl phosphate/tert-butylated triphenyl Prussic acid, anhydrous, stabilized phosphates mixtures containing 5% to 10% Prussic acid, anhydrous, stabilized, absorbed in a triphenyl phosphates porous inert material PP Triphenyl phosphate/tert-butylated triphenyl PP Pyrazophos phosphates mixtures containing 10% to 48% triphenyl phosphates PP Quizalofop PP Triphenyltin compounds PP Quizalofop-p-ethyl Tritolyl phosphate (less than 1% ortho-isomer) Rotenone PP Tritolyl phosphate (not less than 1% ortho-isomer) Salithion Trixylenyl phosphate PP Vinylidene chloride, stabilized Silver arsenite Warfarin (and salts of) Silver cyanide PP White , dry Silver orthoarsenite PP White phosphorus, wet PP Sodium copper cyanide, solid PP Sodium copper cyanide solution White spirit, low (15-20%) aromatic PP Sodium cuprocyanide, solid PP Yellow phosphorus, dry PP Sodium cuprocyanide, solution PP Yellow phosphorus, wet Sodium cyanide, solid Zinc bromide Sodium cyanide, solution Zinc cyanide Sodium dinitro-o-cresolate, dry or wetted with less than 15 per cent water, by mass [Amdt. 172–127, 57 FR 52935, Nov. 5, 1992] Sodium dinitro-ortho-cresolate, wetted with not less than 15 per cent water, by mass EDITORIAL NOTE: For FEDERAL REGISTER ci- PP Sodium pentachlorophenate tations affecting appendix B to § 172.101, see Strychnine or Strychnine salts the List of CFR Sections Affected which ap- PP Sulprophos pears in the Finding Aids section of the Tallow nitrile printed volume and on GPO Access. Temephos TEPP § 172.102 Special provisions. PP Terbufos Tetrabromoethane (a) General. When column 7 of the Tetrabromomethane § 172.101 table refers to a special provi- 1,1,2,2-Tetrachloroethane sion for a hazardous material, the Tetrachloroethylene Tetrachloromethane meaning and requirements of that pro- Tetrachlorophenol vision are as set forth in this section. Tetraethyl dithiopyrophosphate When a special provision specifies PP Tetraethyl lead, liquid packaging or packaging require- Tetramethyllead ments— Thallium chlorate (1) The special provision is in addi- Thallium compounds, n.o.s. tion to the standard requirements for Thallium compounds (pesticides) Thallium nitrate all packagings prescribed in § 173.24 of Thallium sulfate this subchapter and any other applica- Thallous chlorate ble packaging requirements in subparts Thiocarbonyl tetrachloride A and B of part 173 of this subchapter; Triaryl phosphates, isopropylated PP Triaryl phosphates, n.o.s. and Triazophos (2) To the extent a special provision Tribromomethane imposes limitations or additional re- PP Tributyltin compounds Trichlorfon quirements on the packaging provi- PP 1,2,3—Trichlorobenzene sions set forth in column 8 of the

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§ 172.101 table, packagings must con- 2 This material is poisonous by inhalation form to the requirements of the special (see § 171.8 of this subchapter) in Hazard provision. Zone B (see § 173.116(a) or § 173.133(a) of this (b) Description of codes for special pro- subchapter), and must be described as an inhalation hazard under the provisions of visions. Special provisions contain this subchapter. packaging provisions, prohibitions, ex- 3 This material is poisonous by inhalation ceptions from requirements for par- (see § 171.8 of this subchapter) in Hazard ticular quantities or forms of materials Zone C (see § 173.116(a) of this subchapter), and requirements or prohibitions appli- and must be described as an inhalation cable to specific modes of transpor- hazard under the provisions of this sub- tation, as follows: chapter. (1) A code consisting only of numbers 4 This material is poisonous by inhalation (for example, ‘‘11’’) is multi-modal in (see § 171.8 of this subchapter) in Hazard Zone D (see § 173.116(a) of this subchapter), application and may apply to bulk and and must be described as an inhalation non-bulk packagings. hazard under the provisions of this sub- (2) A code containing the letter ‘‘A’’ chapter. refers to a special provision which ap- 5 If this material meets the definition for a plies only to transportation by air- material poisonous by inhalation (see craft. § 171.8 of this subchapter), a shipping name (3) A code containing the letter ‘‘B’’ must be selected which identifies the inha- refers to a special provision which ap- lation hazard, in Division 2.3 or Division plies only to bulk packaging require- 6.1, as appropriate. 6 This material is poisonous-by-inhalation ments. Unless otherwise provided in and must be described as an inhalation this subchapter, these special provi- hazard under the provisions of this sub- sions do not apply to IM portable chapter. tanks. 7 An ammonium nitrate fertilizer is a fer- (4) A code containing the letter ‘‘H’’ tilizer formulation, containing 90% or refers to a special provision which ap- more ammonium nitrate and no more than plies only to transportation by high- 0.2% organic combustible material (cal- way. culated as carbon), which does not meet (5) A code containing the letter ‘‘N’’ the definition and criteria of a Class 1 (ex- plosive) material (See § 173.50 of this sub- refers to a special provision which ap- chapter). plies only to non-bulk packaging re- 8 A hazardous substance that is not a haz- quirements. ardous waste may be shipped under the (6) A code containing the letter ‘‘R’’ shipping description ‘‘Other regulated sub- refers to a special provision which ap- stances, liquid or solid, n.o.s.’’, as appro- plies only to transportation by rail. priate. In addition, for solid materials, spe- (7) A code containing the letter ‘‘T’’ cial provision B54 applies. refers to a special provision which ap- 9 Packaging for certain PCBs for disposal plies only to transportation in IM port- and storage is prescribed by EPA in 40 CFR 761.60 and 761.65. able tanks. 10 An ammonium nitrate mixed fertilizer is (8) A code containing the letter ‘‘W’’ a fertilizer formulation, containing less refers to a special provision which ap- than 90% ammonium nitrate and other in- plies only to transportation by water. gredients, which does not meet the defini- (c) Tables of special provisions. The fol- tion and criteria of a Class 1 (explosive) lowing tables list, and set forth the re- material (See § 173.50 of this subchapter). quirements of, the special provisions 11 The hazardous material must be pack- referred to in column 7 of the § 172.101 aged as either a liquid or a solid, as appro- table. priate, depending on its physical form at 55 °C (131 °F) at atmospheric pressure. (1) Numeric provisions. These provi- 12 In concentrations greater than 40 per- sions are multi-modal and apply to cent, this material has strong oxidizing bulk and non-bulk packagings: properties and is capable of starting fires in contact with combustible materials. If Code/Special Provisions appropriate, a package containing this ma- 1 This material is poisonous by inhalation terial must conform to the additional la- (see § 171.8 of this subchapter) in Hazard beling requirements of § 172.402 of this sub- Zone A (see § 173.116(a) or § 173.133(a) of this chapter. subchapter), and must be described as an 13 The words ‘‘Inhalation Hazard’’ shall be inhalation hazard under the provisions of entered on each shipping paper in associa- this subchapter. tion with the shipping description, shall be

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marked on each non-bulk package in asso- atmosphere) and is free of corroding com- ciation with the proper shipping name and ponents, to not more than the service identification number, and shall be marked pressure of the cylinder. on two opposing sides of each bulk pack- c. A fire extinguisher may not contain age. Size of marking on bulk package must more than 30% carbon dioxide by volume conform to § 172.302(b) of this subchapter. or any other corrosive extinguishing The requirements of §§ 172.203(m) and agent. 172.505 of this subchapter do not apply. d. Each fire extinguisher must be protected 14 Motor fuel antiknock mixtures are: externally by suitable corrosion-resisting a. Mixtures of one or more organic lead coating. mixtures (such as tetraethyl lead, 19 For domestic transportation only, the triethylmethyl lead, diethyldimethyl identification number ‘‘UN1075’’ may be lead, ethyltrimethyl lead, and used in place of the identification number tetramethyl lead) with one or more halo- specified in column (4) of the § 172.101 table. gen compounds (such as ethylene The identification number used must be dibromide and ethylene dichloride), hy- consistent on package markings, shipping drocarbon solvents or other equally effi- papers and emergency response informa- cient stabilizers; or tion. b. tetraethyl lead. 21 This material must be stabilized by ap- 15 Chemical kits and first aid kits are propriate means (e.g., addition of chemical boxes, cases, etc., containing small inhibitor, purging to remove oxygen) to amounts of various compatible dangerous prevent dangerous polymerization (see goods which are used for medical, analyt- § 173.21(f) of this subchapter). ical, or testing purposes and for which ex- 22 If the hazardous material is in dispersion ceptions are provided in this subchapter. in organic liquid, the organic liquid must For transportation by aircraft, any haz- ° ° ardous materials forbidden in passenger have a flash point above 50 C (122 F). aircraft may not be included in these kits. 23 This material may be transported under Inner packagings may not exceed 250 mL the provisions of Division 4.1 only if it is so for liquids or 250 g for solids and must be packed that the percentage of diluent will protected from other materials in the kit. not fall below that stated in the shipping The total quantity of hazardous materials description at any time during transport. in any one kit may not exceed either 1 L or Quantities of not more than 500 g per pack- 1 kg. The packing group assigned to the kit age with not less than 10 percent water by as a whole must be the most stringent mass may also be classed in Division 4.1, packing group assigned to any individual provided a negative test result is obtained substance contained in the kit. Kits must when tested in accordance with test series be packed in wooden boxes (4C1, 4C2), ply- 6(c) of the UN Manual of Tests and Criteria wood boxes (4D), reconstituted wood boxes (see § 171.7 of this subchapter). (4F), fiberboard boxes (4G) or plastic boxes 24 Alcoholic beverages containing more (4H1, 4H2); these packagings must meet the than 70 percent alcohol by volume must be requirements appropriate to the packing transported as materials in Packing Group group assigned to the kit as a whole. The II. Alcoholic beverages containing more total quantity of hazardous materials in than 24 percent but not more than 70 per- any one package may not exceed either 10 cent alcohol by volume must be trans- L or 10 kg. Kits which are carried on board ported as materials in Packing Group III. transport vehicles for first-aid or operating 26 This entry does not include ammonium purposes are not subject to the require- permanganate, the transport of which is ments of this subchapter. prohibited except when approved by the 16 This description applies to smokeless Associate Administrator. powder and other solid propellants that are 28 The dihydrated sodium salt of used as powder for small arms and have dichloroisocyanuric acid is not subject to been classed as Division 1.3 and 4.1 in ac- the requirements of this subchapter. cordance with § 173.56 of this subchapter. 29 Lithium cells and batteries and equip- 18 This description is authorized only for fire ment containing or packed with lithium extinguishers listed in § 173.309(b) of this cells and batteries which do not comply subchapter meeting the following condi- with the provisions of § 173.185 of this sub- tions: chapter may be transported only if they a. Each fire extinguisher may only have are approved by the Associate Adminis- extinguishing contents that are nonflam- trator. mable, non-poisonous, non-corrosive and 30 is not subject to the requirements commercially free from corroding com- of this subchapter if transported in a non- ponents. bulk packaging or if formed to a specific b. Each fire extinguisher must be charged shape (e.g., prills, granules, pellets, pas- with a nonflammable, non-poisonous, dry tilles, or flakes). gas that has a dew-point at or below 31 Materials which have undergone suffi- minus 46.7 °C (minus 52 °F) at 101 kPa (1 cient heat treatment to render them non–

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hazardous are not subject to the require- ing to the criteria for Class 3, applied to ments of this subchapter. the base material. 32 Polymeric beads and molding compounds 43 The membrane filters, including paper may be made from polystyrene, separators and coating or backing mate- poly(methyl methacrylate) or other poly- rials, that are present in transport, must meric material. not be able to propagate a detonation as 33 Ammonium nitrites and mixtures of an tested by one of the tests described in the inorganic nitrite with an ammonium salt UN Manual of Tests and Criteria, Part I, are prohibited. Test series 1(a) (see § 171.7 of this sub- 34 The commercial grade of calcium nitrate chapter). On the basis of the results of fertilizer, when consisting mainly of a dou- suitable burning rate tests, and taking ble salt (calcium nitrate and ammonium into account the standard tests in the UN nitrate) containing not more than 10 per- Manual of Tests and Criteria, Part III, sub- cent ammonium nitrate and at least 12 per- section 33.2.1 (see § 171.7 of this sub- cent water of crystallization, is not subject chapter), nitrocellulose membrane filters to the requirements of this subchapter. in the form in which they are to be trans- 35 Antimony sulphides and oxides which do ported that do not meet the criteria for a not contain more than 0.5 percent of ar- Division 4.1 material are not subject to the senic calculated on the total mass do not requirements of this subchapter. Pack- meet the definition of Division 6.1. agings must be so constructed that explo- 36 The maximum net quantity per package sion is not possible by reason of increased is 5 L (1 gallon) or 5 kg (11 pounds). internal pressure. Nitrocellulose mem- 37 Unless it can be demonstrated by testing brane filters covered by this entry, each that the sensitivity of the substance in its with a mass not exceeding 0.5 g, are not frozen state is no greater than in its liquid subject to the requirements of this sub- state, the substance must remain liquid chapter when contained individually in an during normal transport conditions. It article or a sealed packet. must not freeze at temperatures above ¥15 44 The formulation must be prepared so °C (5 °F). that it remains homogeneous and does not 38 If this material shows a violent effect in separate during transport. Formulations laboratory tests involving heating under with low nitrocellulose contents and nei- confinement, the labeling requirements of ther showing dangerous properties when Special Provision 53 apply, and the mate- tested for their ability to detonate, rial must be packaged in accordance with deflagrate or explode when heated under packing method OP6 in § 173.225 of this sub- defined confinement by the appropriate chapter. If the SADT of the technically test methods and criteria in the UN Rec- pure substance is higher than 75 °C, the ommendations, Tests and Criteria, not technically pure substance and formula- classed as a Division 4.1 (flammable solid) tions derived from it are not self-reactive when tested in accordance with the proce- materials and, if not meeting any other dures specified in § 173.124 of this sub- hazard class, are not subject to the re- chapter (chips, if necessary, crushed and quirements of this subchapter. sieved to a particle size of less than 1.25 39 This substance may be carried under pro- mm) are not subject to the requirements of visions other than those of Class 1 only if this subchapter. it is so packed that the percentage of 45 Temperature should be maintained be- water will not fall below that stated at any tween 18 °C (64.4 °F) and 40 °C (104 °F). time during transport. When phlegmatized Tanks containing solidified methacrylic with water and inorganic inert material, acid must not be reheated during trans- the content of urea nitrate must not ex- port. ceed 75 percent by mass and the mixture 46 This material must be packed in accord- should not be capable of being detonated ance with packing method OP6 (see § 173.225 by test 1(a)(i) or test 1(a) (ii) in the UN of this subchapter). During transport, it Recommendations Tests and Criteria (see must be protected from direct sunshine § 171.7 of this subchapter). and stored (or kept) in a cool and well-ven- 40 Polyester resin kits consist of two com- tilated place, away from all sources of ponents: a base material (Class 3, Packing heat. Group II or III) and an activator (organic 47 Mixtures of solids which are not subject peroxide), each separately packed in an to this subchapter and flammable liquids inner packaging. The organic peroxide may be transported under this entry with- must be type D, E, or F, not requiring tem- out first applying the classification cri- perature control, and be limited to a quan- teria of Division 4.1, provided there is no tity of 125 mL (4.22 ounces) per inner pack- free liquid visible at the time the material aging if liquid, and 500 g (1 pound) if solid. is loaded or at the time the packaging or The components may be placed in the same transport unit is closed. Each packaging outer packaging provided they will not must correspond to a design type that has interact dangerously in the event of leak- passed a leakproofness test at the Packing age. Packing group will be II or III, accord- Group II level. Small inner packagings

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consisting of sealed packets containing each electric detonator and the detonating less than 10 mL of a Class 3 liquid in Pack- cord ends of the jet perforating guns before ing Group II or III absorbed onto a solid the charged jet perforating guns are of- material are not subject to this subchapter fered for transportation. provided there is no free liquid in the pack- 57 Maneb or Maneb preparations stabilized et. against self-heating need not be classified 48 Mixtures of solids which are not subject in Division 4.2 when it can be dem- to this subchapter and toxic liquids may be onstrated by testing that a volume of 1 m3 transported under this entry without first of substance does not self-ignite and that applying the classification criteria of Divi- the temperature at the center of the sam- sion 6.1, provided there is no free liquid ° visible at the time the material is loaded ple does not exceed 200 C, when the sample or at the time the packaging or transport is maintained at a temperature of not less ° ± ° unit is closed. Each packaging must cor- than 75 C 2 C for a period of 24 hours, in respond to a design type that has passed a accordance with procedures set forth for leakproofness test at the Packing Group II testing self-heating materials in the UN level. This entry may not be used for solids Manual of Tests and Criteria (see § 171.7 of containing a Packing Group I liquid. this subchapter). 49 Mixtures of solids which are not subject 58 Aqueous solutions of Division 5.1 inor- to this subchapter and corrosive liquids ganic solid nitrate substances are consid- may be transported under this entry with- ered as not meeting the criteria of Division out first applying the classification cri- 5.1 if the concentration of the substances teria of Class 8, provided there is no free in solution at the minimum temperature liquid visible at the time the material is encountered in transport is not greater loaded or at the time the packaging or than 80% of the saturation limit. transport unit is closed. Each packaging 59 Ferrocerium, stabilized against corro- must correspond to a design type that has sion, with a minimum iron content of 10 passed a leakproofness test at the Packing percent is not subject to the requirements Group II level. of this subchapter. 50 Cases, cartridge, empty with primer 60 After September 30, 1997, an oxygen gen- which are made of metallic or plastic cas- ings and meeting the classification criteria erator, chemical, that is shipped with its of Division 1.4 are not regulated for domes- means of initiation attached must incor- tic transportation. porate at least two positive means of pre- 51 This description applies to items pre- venting unintentional actuation of the viously described as ‘‘Toy propellant de- generator, and be classed and approved by vices, Class C’’ and includes reloadable the Associate Administrator. The proce- kits. Model rocket motors containing 30 dures for approval of a chemical oxygen grams or less propellant are classed as Di- generator that contains an explosive vision 1.4S and items containing more than means of initiation (e.g., a primer or elec- 30 grams of propellant but not more than tric match) are specified in § 173.56 of this 62.5 grams of propellant are classed as Di- subchapter. Each person who offers a vision 1.4C. chemical oxygen generator for transpor- 52 Ammonium nitrate fertilizers may not tation after September 30, 1997, shall: (1) meet the definition and criteria of Class 1 ensure that it is offered in conformance (explosive) material (see § 173.50 of this sub- with the conditions of the approval; (2) chapter). maintain a copy of the approval at each fa- 53 Packages of these materials must bear cility where the chemical oxygen gener- the subsidiary risk label, ‘‘EXPLOSIVE’’, ator is packaged; and (3) mark the ap- unless otherwise provided in this sub- proval number on the outside of the pack- chapter or through an approval issued by age. the Associate Administrator, or the com- 61 A chemical oxygen generator is spent if petent authority of the country of origin. its means of ignition and all or a part of its A copy of the approval shall accompany chemical contents have been expended. the shipping papers. 64 The group of alkali metals includes lith- 54 Maneb or maneb preparations not meet- ium, sodium, potassium, rubidium, and ing the definition of Division 4.3 or any caesium. other hazard class are not subject to the requirements of this subchapter when 65 The group of alkaline earth metals in- transported by motor vehicle, rail car, or cludes magnesium, calcium, strontium, aircraft. and barium. 55 This device must be approved in accord- 66 Formulations of these substances con- ance with § 173.56 of this subchapter by the taining not less than 30 percent non-vola- Associate Administrator. tile, non-flammable phlegmatizer are not 56 A means to interrupt and prevent deto- subject to this subchapter. nation of the detonator from initiating the 70 Black powder that has been classed in ac- detonating cord must be installed between cordance with the requirements of § 173.56

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of this subchapter may be reclassed and of- 108 Fireworks must be so constructed and fered for domestic transportation as a Di- packaged that loose pyrotechnic composi- vision 4.1 material if it is offered for trans- tion will not be present in packages during portation and transported in accordance transportation. with the limitations and packaging re- 109 Rocket motors must be nonpropulsive quirements of § 173.170 of this subchapter. in transportation unless approved in ac- 74 During transport, this material must be cordance with § 173.56 of this subchapter. A protected from direct sunshine and stored rocket motor to be considered ‘‘nonpropul- or kept in a cool and well-ventilated place, sive’’ must be capable of unrestrained away from all sources of heat. burning and must not appreciably move in 77 For domestic transportation, a Division any direction when ignited by any means. 5.1 subsidiary risk label is required only if 110 Fire extinguishers transported under a carbon dioxide and oxygen mixture con- UN1044 may include installed actuating tains more than 23.5% oxygen. cartridges (cartridges, power device of Di- 78 This entry may not be used to describe vision 1.4C or 1.4S), without changing the compressed air which contains more than classification of Division 2.2, provided the 23.5 percent oxygen. An oxidizer label is aggregate quantity of deflagrating (propel- not required for any oxygen concentration lant) explosives does not exceed 3.2 grams of 23.5 percent or less. per extinguishing unit. 79 This entry may not be used for mixtures 111 Explosive substances of Division 1.1 that meet the definition for oxidizing gas. Compatibility Group A (1.1A) are forbidden 81 Polychlorinated biphenyl items, as de- for transportation if dry or not desen- fined in 40 CFR 761.3, for which specifica- sitized, unless incorporated in a device. tion packagings are impractical, may be 113 The sample must be given a tentative packaged in non-specification packagings approval by an agency or laboratory in ac- meeting the general packaging require- cordance with § 173.56 of this subchapter. ments of subparts A and B of part 173 of 114 Jet perforating guns, charged, oil well, this subchapter. Alternatively, the item without detonator may be reclassed to Di- itself may be used as a packaging if it vision 1.4 Compatibility Group D (1.4D) if meets the general packaging requirements the following conditions are met: of subparts A and B of part 173 of this sub- a. The total weight of the explosive contents chapter. of the shaped charges assembled in the 101 The name of the particular substance or guns does not exceed 90.5 kg (200 pounds) article must be specified. per vehicle; and 102 The ends of the detonating cord must be b. The guns are packaged in accordance with tied fast so that the explosive cannot es- Packing Method US 1 as specified in § 173.62 cape.The articles may be transported as in of this subchapter. Division 1.4 Compatibility Group D (1.4D) if 115 Boosters with detonator, detonator as- all of the conditions specified in § 173.63(a) semblies and boosters with detonators in of this subchapter are met. which the total explosive charge per unit 103 Detonators which will not mass deto- does not exceed 25 g, and which will not nate and undergo only limited propagation mass detonate and undergo only limited in the shipping package may be assigned to propagation in the shipping package may 1.4B classification code. Mass detonate be assigned to 1.4B classification code. means that more than 90 percent of the de- Mass detonate means more than 90 percent vices tested in a package explode prac- of the devices tested in a package explode tically simultaneously. Limited propaga- practically simultaneously. Limited propa- tion means that if one detonator near the gation means that if one booster near the center of a shipping package is exploded, center of the package is exploded, the ag- the aggregate weight of explosives, exclud- gregate weight of explosives, excluding ig- ing ignition and delay charges, in this and nition and delay charges, in this and all all additional detonators in the outside additional boosters in the outside pack- packaging that explode may not exceed 25 aging that explode may not exceed 25 g. grams. 116 Fuzes, detonating may be classed in Di- 105 The word ‘‘Agents’’ may be used instead vision 1.4 if the fuzes do not contain more of ‘‘Explosives’’ when approved by the As- than 25 g of explosive per fuze and are sociate Administrator. made and packaged so that they will not 106 The recognized name of the particular cause functioning of other fuzes, explosives explosive may be specified in addition to or other explosive devices if one of the the type. fuzes detonates in a shipping packaging or 107 The classification of the substance is ex- in adjacent packages. pected to vary especially with the particle 117 If shipment of the explosive substance is size and packaging but the border lines to take place at a time that freezing have not been experimentally determined; weather is anticipated, the water con- appropriate classifications should be tained in the explosive substance must be verified following the test procedures in mixed with denatured alcohol so that §§ 173.57 and 173.58 of this subchapter. freezing will not occur.

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118 This substance may not be transported 130 Batteries, dry are not subject to the re- under the provisions of Division 4.1 unless quirements of this subchapter only when specifically authorized by the Associate they are offered for transportation in a Administrator. manner that prevents the dangerous evo- 119 This substance, when in quantities of lution of heat (for example, by the effec- not more than 11.5 kg (25.3 pounds), with tive insulation of exposed terminals). not less than 10 percent water, by mass, 131 This material may not be offered for also may be classed in Division 4.1, pro- transportation unless approved by the As- vided a negative test result is obtained when tested in accordance with test series sociate Administrator. 6(c) of the UN Manual of Tests and Cri- 132 Ammonium nitrate fertilizers of this teria. composition are not subject to the require- 120 The phlegmatized substance must be ments of this subchapter if shown by a significantly less sensitive than dry PETN. trough test (see United Nations Rec- 121 This substance, when containing less al- ommendations on the Transport of Dan- cohol, water or phlegmatizer than speci- gerous Goods, Manual Tests and Criteria, fied, may not be transported unless ap- Part III, sub-section 38.2) (see § 171.7 of this proved by the Associate Administrator. subchapter) not to be liable to self-sus- 123 Any explosives, blasting, type C con- taining decomposition and provided that taining chlorates must be segregated from they do not contain an excess of nitrate explosives containing ammonium nitrate greater than 10% by mass (calculated as or other ammonium salts. potassium nitrate). 125 Lactose or glucose or similar materials 133 This description applies to articles may be used as a phlegmatizer provided that the substance contains not less than which are used as life-saving vehicle air 90%, by mass, of phlegmatizer. These mix- bag inflators or air bag modules or seat- tures may be classified in Division 4.1 when belt pretensioners, containing a gas or a tested in accordance with test series 6(c) of mixture of compressed gases classified the UN Manual of Tests and Criteria (see under Division 2.2, and with or without § 171.7 of this subchapter) and approved by small quantities of pyrotechnic material. the Associate Administrator. Testing must For units with pyrotechnic material, initi- be conducted on at least three packages as ated explosive effects must be contained prepared for transport. Mixtures con- within the pressure vessel (cylinder) such taining at least 98%, by mass, of that the unit may be excluded from Class phlegmatizer are not subject to the re- 1 in accordance with paragraphs 1.11(b) and quirements of this subchapter. Packages 16.6.1.4.7(a)(ii) of the UN Manual of Tests containing mixtures with not less than 90% and Criteria, Part 1 (see § 171.7 of this sub- by mass, of phlegmatizer need not bear a chapter). In addition, units must be de- POISON subsidiary risk label. signed or packaged for transport so that 127 Mixtures containing oxidizing and or- ganic materials transported under this when engulfed in a fire there will be no entry may not meet the definition and cri- fragmentation of the pressure vessel or teria of a Class 1 material. (See § 173.50 of projection hazard. This may be determined this subchapter.) by analysis or test. The pressure vessel 128 Regardless of the provisions of must be in conformance with the require- § 172.101(c)(12), aluminum smelting by-prod- ments of this subchapter for the gas(es) ucts and aluminum remelting by-products contained in the pressure vessel or as spe- described under this entry, meeting the cifically authorized by the Associate Ad- definition of Class 8, Packing Group II and ministrator. III may be classed as a Division 4.3 mate- 134 This entry only applies to vehicles, ma- rial and transported under this entry. The chinery and equipment which are powered presence of a Class 8 hazard must be com- by wet batteries or sodium batteries and municated as required by this Part for sub- which are transported with these batteries sidiary hazards. installed. Examples of such items are elec- 129 These materials may not be classified trically-powered cars, lawn mowers, wheel- and transported unless authorized by the chairs and other mobility aids. Self-pro- Associate Administrator on the basis of re- pelled vehicles which also contain an inter- sults from Series 2 Test and a Series 6(c) nal combustion engine must be consigned Test from the UN Manual of Tests and Cri- teria (see § 171.7 of this subchapter) on under the entry ‘‘Vehicle, flammable gas packages as prepared for transport. The powered’’ or ‘‘Vehicle, flammable liquid packing group assignment and packaging powered’’, as appropriate. must be approved by the Associate Admin- 135 The entries ‘‘Vehicle, flammable gas istrator for Hazardous Materials Safety on powered’’ or ‘‘Vehicle, flammable liquid the basis of the criteria in § 173.21 of this powered’’, as appropriate, must be used subchapter and the package type used for when internal combustion engines are in- the Series 6(c) test. stalled in a vehicle.

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136 This entry only applies to machinery with the requirements of subpart B of part and apparatus containing hazardous mate- 107 of this subchapter. rials as in integral element of the machin- 140 This material is regulated only when it ery or apparatus. It may not be used to de- meets the defining criteria for a hazardous scribe machinery or apparatus for which a substance or a marine pollutant. In addi- proper shipping name exists in the § 172.101 tion, the column 5 reference is modified to Table. Except when approved by the Asso- read ‘‘III’’ on those occasions when this ciate Administrator, machinery or appa- material is offered for transportation or ratus may only contain hazardous mate- transported by highway or rail. rials for which exceptions are referenced in 142 These hazardous materials may not be Column (8) of the § 172.101 Table and are classified and transported unless author- provided in part 173, subpart D, of this sub- ized by the Associate Administrator. The chapter. Hazardous materials shipped Associate Administrator will base the au- under this entry are excepted from the la- thorization on results from Series 2 tests beling requirements of this subchapter un- and a Series 6(c) test from the UN Manual less offered for transportation or trans- of Tests and Criteria (see § 171.7 of this sub- ported by aircraft and are not subject to chapter) on packages as prepared for trans- the placarding requirements of part 172, port in accordance with the requirements subpart F, of this subchapter. Orientation of this subchapter. markings as described in § 172.312 (a)(2) are 143 These articles may contain: required when liquid hazardous materials a. Division 2.2 compressed gases, including may escape due to incorrect orientation. oxygen; The machinery or apparatus, if b. Signal devices (Class 1) which may in- unpackaged, or the packaging in which it clude smoke and illumination signal is contained shall be marked ‘‘Dangerous flares. Signal devices must be packed in goods in machinery’’ or ‘‘Dangerous goods plastic or fiberboard inner packagings; in apparatus’’, as appropriate, with the c. Electric storage batteries; identification number UN3363. For trans- d. First aid kits; or portation by aircraft, machinery or appa- e. Strike anywhere matches. ratus may not contain any material forbid- (2) ‘‘A’’ codes. These provisions apply den for transportation by passenger or only to transportation by aircraft: cargo aircraft. The Associate Adminis- trator may except from the requirements Code/Special Provisions of this subchapter, equipment, machinery and apparatus provided: A1 Single packagings are not permitted on passenger aircraft. a. It is shown that it does not pose a sig- A2 Single packagings are not permitted on nificant risk in transportation; aircraft. b. The quantities of hazardous materials do A3 For combination packagings, if glass not exceed those specified in § 173.4 of inner packagings (including ampoules) are this subchapter; and used, they must be packed with absorbent c. The equipment, machinery or apparatus material in tightly closed metal recep- conforms with § 173.222 of this sub- tacles before packing in outer packagings. chapter. A4 Liquids having an inhalation toxicity of 137 Cotton, dry is not subject to the re- Packing Group I are not permitted on air- quirements of this subchapter when it is craft. baled in accordance with ISO 8115, ‘‘Cotton A5 Solids having an inhalation toxicity of Bales—Dimensions and Density’’ to a den- Packing Group I are not permitted on pas- sity of at least 360 kg/m3 (22.4lb/ft3) and it senger aircraft and may not exceed a max- is transported in a freight container or imum net quantity per package of 15 kg (33 closed transport vehicle. pounds) on cargo aircraft. 138 Lead compounds which, when mixed in a A6 For combination packagings, if plastic ratio of 1:1000 with 0.07M (Molar concentra- inner packagings are used, they must be tion) hydrochloric acid and stirred for one packed in tightly closed metal receptacles hour at a temperature of 23 °C ±2 °C, ex- before packing in outer packagings. hibit a of 5% or less are consid- A7 Steel packagings must be corrosion-re- ered insoluble. sistant or have protection against corro- 139 Use of the ‘‘special arrangement’’ proper sion. shipping names for international ship- A8 For combination packagings, if glass ments must be made under an IAEA Cer- inner packagings (including ampoules) are tificate of Competent Authority issued by used, they must be packed with cushioning the Associate Administrator in accordance material in tightly closed metal recep- with the requirements in § 173.471, § 173.472, tacles before packing in outer packagings. or § 173.473 of this subchapter. Use of these A9 For combination packagings, if plastic proper shipping names for domestic ship- bags are used, they must be packed in ments may be made only under a DOT ex- tightly closed metal receptacles before emption, as defined in, and in accordance packing in outer packagings.

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A10 When aluminum or aluminum alloy ciation (ATA) Specification 300 for Cat- construction materials are used, they must egory I shipping containers. be resistant to corrosion. A53 Refrigerating machines and refrig- A11 For combination packagings, when erating machine components are not sub- metal inner packagings are permitted, ject to the requirements of this subchapter only specification cylinders constructed of when containing less than 12 kg (26.4 metals which are compatible with the haz- pounds) of a non-flammable gas or when ardous material may be used. containing 12 L (3 gallons) or less of ammo- A13 Non-bulk packagings conforming to nia solution (UN2672) (see § 173.307 of this § 173.197 of this subchapter not exceeding 16 subchapter). kg (35 pounds) gross mass containing only used sharps are permitted for transpor- (3) ‘‘B’’ codes. These provisions apply tation by aircraft. Maximum liquid con- only to bulk packagings, other than tent in each inner packaging may not ex- IBCs: ceed 50 mL (1.7 ounces). A14 Non-bulk packagings of regulated med- Code/Special Provisions ical waste conforming to § 173.197 of this subchapter not exceeding 16 kg (35 pounds) B1 If the material has a flash point at or gross mass for solid waste or 12 L (3 gal- above 38 °C (100 °F) and below 93 °C (200 °F), lons) total volume for liquid waste may be then the bulk packaging requirements of transported by passenger and cargo air- § 173.241 of this subchapter are applicable. craft when means of transportation other If the material has a flash point of less than air are impracticable or not avail- than 38 °C (100 °F), then the bulk packaging able. requirements of § 173.242 of this subchapter A19 Combination packagings consisting of are applicable. outer fiber drums or plywood drums, with B2 MC 300, MC 301, MC 302, MC 303, MC 305, inner plastic packagings, are not author- and MC 306 and DOT 406 cargo tanks are ized for transportation by aircraft. not authorized. A20 Plastic bags as inner receptacles of combination packagings are not authorized B3 MC 300, MC 301, MC 302, MC 303, MC 305, for transportation by aircraft. and MC 306 and DOT 406 cargo tanks and A29 Combination packagings consisting of DOT 57 portable tanks are not authorized. outer expanded plastic boxes with inner B4 MC 300, MC 301, MC 302, MC 303, MC 305, plastic bags are not authorized for trans- and MC 306 and DOT 406 cargo tanks are portation by aircraft. not authorized. A30 Ammonium permanganate is not au- B5 Only ammonium nitrate solutions with thorized for transportation on aircraft. 35 percent or less water that will remain A34 Aerosols containing a corrosive liquid completely in solution under all conditions in Packing Group II charged with a gas are of transport at a maximum lading tem- not permitted for transportation by air- perature of 116 °C (240 °F) are authorized craft. for transport in the following bulk pack- A35 This includes any material which is not agings: MC 307, MC 312, DOT 407 and DOT covered by any of the other classes but 412 cargo tanks with at least 172 kPa (25 which has an anesthetic, narcotic, noxious psig) design pressure. The packaging shall or other similar properties such that, in be designed for a working temperature of the event of spillage or leakage on an air- at least 121 °C (250 °F). Only Specifications craft, extreme annoyance or discomfort MC 304, MC 307 or DOT 407 cargo tank could be caused to crew members so as to motor vehicles are authorized for transpor- prevent the correct performance of as- tation by vessel. signed duties. B6 Packagings shall be made of steel. A37 This entry applies only to a material B7 Safety relief devices are not authorized meeting the definition in § 171.8 of this sub- on multi-unit tank car tanks. Openings for chapter for self-defense spray. safety relief devices on multi–unit tank car A51 When transported by cargo-only air- tanks shall be plugged or blank flanged. craft, an oxygen generator must conform to the provisions of an approval issued B8 Packagings shall be made of nickel, under Special Provision 60 and be con- stainless steel, or steel with nickel, stain- tained in a packaging prepared and origi- less steel, lead or other suitable corrosion nally offered for transportation by the ap- resistant metallic lining. proval holder. B9 Bottom outlets are not authorized. A52 A cylinder containing Oxygen, com- B10 MC 300, MC 301, MC 302, MC 303, MC 305, pressed, may not be loaded into a pas- and MC 306 and DOT 406 cargo tanks, and senger-carrying aircraft or in an inacces- DOT 57 portable tanks are not authorized. sible cargo location on a cargo-only air- B11 Tank car tanks must have a test pres- craft unless it is placed in an overpack or sure of at least 2,068.5 kPa (300 psig). Cargo outer packaging that conforms to the per- and portable tanks must have a design formance criteria of Air Transport Asso- pressure of at least 1,207 kPa (175 psig).

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B13 A nonspecification cargo tank motor container must be filled with water to vehicle authorized in § 173.247 of this sub- the tank’s capacity. After unloading, the chapter must be at least equivalent in de- residual material also must be covered sign and in construction to a DOT 406 with an inert gas or the container must cargo tank or MC 306 cargo tank (if con- be filled with water to the tank’s capac- structed before August 31, 1995), except as ity. follows: B27 Tanks must have a service pressure of a. Packagings equivalent to MC 306 cargo 1,034 kPa (150 psig). Tank car tanks must tanks are excepted from the certifi- have a test pressure rating of 1,379 kPa (200 cation, venting, and emergency flow re- psig). Lading must be blanketed at all quirements of the MC 306 specification. times with a dry inert gas at a pressure not b. Packagings equivalent to DOT 406 cargo to exceed 103 kPa (15 psig). tanks are excepted from §§ 178.345–7(d)(5), B28 Packagings must be made of stainless circumferential reinforcements; 178.345– steel. 10, pressure relief; 178.345–11, outlets; B30 MC 312, MC 330, MC 331 and DOT 412 178.345–14, marking, and 178.345–15, cer- cargo tanks and DOT 51 portable tanks tification. must be made of stainless steel, except c. Packagings are excepted from the design that steel other than stainless steel may stress limits at elevated temperatures, as be used in accordance with the provisions described in the ASME Code. However, of § 173.24b(b) of this subchapter. Thickness the design stress limits may not exceed of stainless steel for tank shell and heads 25 percent of the stress, as specified in for cargo tanks and portable tanks must be the Aluminum Association’s ‘‘Aluminum the greater of 7.62 mm (0.300 inch) or the Standards and Data’’ (7th Edition June thickness required for a tank with a design 1982), for 0 temper at the maximum de- pressure at least equal to 1.5 times the sign temperature of the cargo tank. vapor pressure of the lading at 46 °C (115 B14 Each bulk packaging, except a tank car °F). In addition, MC 312 and DOT 412 cargo or a multi-unit-tank car tank, must be in- tank motor vehicles must: sulated with an insulating material so that a. Be ASME Code (U) stamped for 100% ra- the overall thermal conductance at 15.5 °C diography of all pressure-retaining welds; (60 °F) is no more than 1.5333 kilojoules per b. Have accident damage protection which hour per square meter per degree Celsius conforms with § 178.345–8 of this sub- (0.075 Btu per hour per square foot per de- chapter; gree Fahrenheit) temperature differential. c. Have a MAWP or design pressure of at Insulating materials must not promote least 87 psig: and corrosion to steel when wet. d. Have a bolted manway cover. B15 Packagings must be protected with B32 MC 312, MC 330, MC 331, DOT 412 cargo non-metallic linings impervious to the lad- tanks and DOT 51 portable tanks must be ing or have a suitable corrosion allowance. made of stainless steel, except that steel B16 The lading must be completely covered other than stainless steel may be used in with nitrogen, inert gas or other inert ma- accordance with the provisions of terials. § 173.24b(b) of this subchapter. Thickness of B18 Open steel hoppers or bins are author- stainless steel for tank shell and heads for ized. cargo tanks and portable tanks must be B23 Tanks must be made of steel that is the greater of 6.35 mm (0.250 inch) or the rubber lined or unlined. Unlined tanks thickness required for a tank with a design must be passivated before being placed in pressure at least equal to 1.3 times the service. If unlined tanks are washed out vapor pressure of the lading at 46 °C (115 with water, they must be repassivated °F). In addition, MC 312 and DOT 412 cargo prior to return to service. Lading in un- tank motor vehicles must: lined tanks must be inhibited so that the a. Be ASME Code (U) stamped for 100% radi- corrosive effect on steel is not greater than ography of all pressure-retaining welds; that of hydrofluoric acid of 65 percent con- b. Have accident damage protection which centration. conforms with § 178.345–8 of this sub- B25 Packagings must be made from monel chapter; or nickel or monel-lined or nickel-lined c. Have a MAWP or design pressure of at steel. least 87 psig; and B26 Tanks must be insulated. Insulation d. Have a bolted manway cover. must be at least 100 mm (3.9 inches) ex- B33 MC 300, MC 301, MC 302, MC 303, MC 305, cept that the insulation thickness may MC 306, and DOT 406 cargo tanks equipped be reduced to 51 mm (2 inches) over the with a 1 psig normal vent used to transport exterior heater coils. Interior heating gasoline must conform to table 1 of this coils are not authorized. The packaging Special Provision. Based on the volatility may not be loaded with a material out- class determined by using ASTM D439 and side of the packaging’s design tempera- the Reid vapor pressure (RVP) of the par- ture range. In addition, the material also ticular gasoline, the maximum lading pres- must be covered with an inert gas or the sure and maximum ambient temperature

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permitted during the loading of gasoline pressure set at no more than 1551 kPa (225 may not exceed that listed in table I. psig). B50 Each valve outlet of a multi-unit tank TABLE I—MAXIMUM AMBIENT TEMPERATURE— car tank must be sealed by a threaded solid GASOLINE plug or a threaded cap with inert luting or gasket material. Valves must be of stain- Maximum lading and less steel and the caps, plugs, and valve ASTM D439 volatility class ambient temperature seats must be of a material that will not (see note 1) deteriorate as a result of contact with the A ...... 131 °F lading. (RVP<=9.0 psia) B52 Notwithstanding the provisions of B ...... 124 °F § 173.24b of this subchapter, non-reclosing (RVP<=10.0 psia) pressure relief devices are authorized on C ...... 116 °F DOT 57 portable tanks. (RVP<=11.5 psia) B53 Packagings must be made of either alu- ° D ...... 107 F minum or steel. (RVP<=13.5 psia) E ...... 100 °F B54 Open-top, sift-proof rail cars are also (RVP<=15.0 psia) authorized. B55 Water-tight, sift-proof, closed-top, Note 1: Based on maximum lading pressure of 1 psig at metal-covered hopper cars, equipped with a top of cargo tank. venting arrangement (including flame ar- B35 Tank cars containing hydrogen cyanide restors) approved by the Associate Admin- may be alternatively marked ‘‘Hydro- istrator are also authorized. cyanic acid, liquefied’’ if otherwise con- B56 Water-tight, sift-proof, closed-top, forming to marking requirements in sub- metal-covered hopper cars are also author- part D of this part. Tank cars marked ized if the particle size of the hazardous ‘‘HYDROCYANIC ACID’’ prior to October material is not less than 149 microns. 1, 1991 do not need to be remarked. B57 Class 115A tank car tanks used to trans- B37 The amount of nitric oxide charged into port chloroprene must be equipped with a any tank car tank may not exceed 1,379 non-reclosing pressure relief device of a di- kPa (200 psig) at 21 °C (70 °F). ameter not less than 305 mm (12 inches) B42 Tank cars must have a test pressure of with a maximum rupture disc pressure of 34.47 Bar (500 psig) or greater and conform 310 kPa (45 psig). to Class 105J. Each tank car must have a B59 Water-tight, sift-proof, closed-top, reclosing pressure relief device having a metal-covered hopper cars are also author- start-to-discharge pressure of 10.34 Bar (150 ized provided that the lading is covered psig). The tank car specification may be with a nitrogen blanket. marked to indicate a test pressure of 13.79 B60 DOT Specification 106A500X multi-unit Bar (200 psig). tank car tanks that are not equipped with B44 All parts of valves and safety relief de- a pressure relief device of any type are au- vices in contact with lading must be of a thorized. For the transportation of phos- material which will not cause formation of gene, the outage must be sufficient to pre- acetylides. vent tanks from becoming liquid full at 55 B45 Each tank must have a reclosing com- °C (130 °F). bination pressure relief device equipped B61 Written procedures covering details of with stainless steel or platinum rupture tank car appurtenances, dome fittings, discs approved by the AAR Tank Car Com- safety devices, and marking, loading, han- mittee. dling, inspection, and testing practices B46 The detachable protective housing for must be approved by the Associate Admin- the loading and unloading valves of multi- istrator before any single unit tank car unit tank car tanks must withstand tank tank is offered for transportation. test pressure and must be approved by the B64 Each single unit tank car tank built Associate Administrator. after December 31, 1990 must be equipped B47 Each tank may have a reclosing pres- with a tank head puncture resistance sys- sure relief device having a start-to-dis- tem that conforms to § 179.16 of this sub- charge pressure setting of 310 kPa (45 psig). chapter. B48 Portable tanks in sodium metal service B65 Tank cars must have a test pressure of may be visually inspected at least once 34.47 Bar (500 psig) or greater and conform every 5 years instead of being retested to Class 105A. Each tank car must have a hydrostatically. Date of the visual inspec- pressure relief device having a start-to-dis- tion must be stenciled on the tank near charge pressure of 15.51 Bar (225 psig). The the other required markings. tank car specification may be marked to B49 Tanks equipped with interior heater indicate a test pressure of 20.68 Bar (300 coils are not authorized. Single unit tank psig). car tanks must have a reclosing pressure B66 Each tank must be equipped with gas relief device having a start-to-discharge tight valve protection caps. Outage must

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be sufficient to prevent tanks from becom- forated with a 3.2 mm (0.13 inch) diameter ing liquid full at 55 °C (130 °F). Specifica- hole. If a tank car tank is equipped with a tion 110A500W tanks must be stainless reclosing pressure relief valve, the tank steel. must also be equipped with a vacuum relief B67 All valves and fittings must be pro- valve. tected by a securely attached cover made B80 Each cargo tank must have a minimum of metal not subject to deterioration by design pressure of 276 kPa (40 psig). the lading, and all valve openings, except B81 Venting and pressure relief devices for safety valve, must be fitted with screw tank car tanks and cargo tanks must be plugs or caps to prevent leakage in the approved by the Associate Administrator. event of valve failure. B82 Cargo tanks and portable tanks are not B68 Sodium must be in a molten condition authorized. when loaded and allowed to solidify before B83 Bottom outlets are prohibited on tank shipment. Outage must be at least 5 per- car tanks transporting sulfuric acid in con- cent at 98 °C (208 °F). Bulk packagings must have exterior heating coils fusion centrations over 65.25 percent. welded to the tank shell which have been B84 Packagings must be protected with properly stress relieved. The only tank car non-metallic linings impervious to the lad- tanks authorized are Class DOT 105 tank ing or have a suitable corrosion allowance cars having a test pressure of 2,069 kPa (300 for sulfuric acid or spent sulfuric acid in psig) or greater. concentration up to 65.25 percent. B69 Dry sodium cyanide or potassium cya- B85 Cargo tanks must be marked with the nide may be shipped in sift-proof weather- name of the lading in accordance with the resistant metal covered hopper cars, cov- requirements of § 172.302(b). ered motor vehicles, portable tanks or non- B90 Steel tanks conforming or equivalent specification bins. Siftproof, water-resist- to ASME specifications which contain ant, fiberboard IBCs are permitted when solid or semisolid residual motor fuel anti- transported in closed freight containers or knock mixture (including rust, scale, or transport vehicles. Bins must be approved other contaminants) may be shipped by by the Associate Administrator. rail freight or highway. The tank must B70 If DOT 103ANW tank car tank is used: have been designed and constructed to be All cast metal in contact with the lading capable of withstanding full vacuum. All must have 96.7 percent nickel content; and openings must be closed with gasketed the lading must be anhydrous and free blank flanges or vapor tight threaded clo- from any impurities. sures. B71 Tank cars must have a test pressure of B115 Rail cars, highway trailers, roll-on/ 20.68 Bar (300 psig) or greater and conform roll-off bins, or other non-specification to Class 105, 112, 114 or 120. bulk packagings are authorized. Pack- B72 Tank cars must have a test pressure of agings must be sift-proof, prevent liquid 34.47 Bar (500 psig) or greater and conform water from reaching the hazardous mate- to Class 105J, 106, or 110. rial, and be provided with sufficient vent- B74 Tank cars must have a test pressure of ing to preclude dangerous accumulation of 20.68 Bar (300 psig) or greater and conform flammable, corrosive, or toxic gaseous to Class 105S, 106, 110, 112J, 114J or 120S. emissions such as methane, hydrogen, and B76 Tank cars must have a test pressure of ammonia. The material must be loaded 20.68 Bar (300 psig) or greater and conform dry. to Class 105S, 112J, 114J or 120S. Each tank car must have a reclosing pressure relief (4) Table 1, Table 2, and Table 3–IB device having a start-to-discharge pressure Codes, Organic Peroxide IBC Code, and of 10.34 Bar (150 psig). The tank car speci- IP Special IBC Packing Provisions. These fication may be marked to indicate a test provisions apply only to transportation pressure of 13.79 Bar (200 psig). B77 Other packaging are authorized when in IBCs. IBCs may be used for the approved by the Associate Administrator. transportation of hazardous materials B78 Tank cars must have a test pressure of when no IBC code is assigned in the 4.14 Bar (60 psig) or greater and conform to § 172.101 Table for the specific material Class 103, 104, 105, 109, 111, 112, 114 or 120. only when approved by the Associate Heater pipes must be of welded construc- Administrator. The letter ‘‘Z’’ shown tion designed for a test pressure of 500 psig. in the marking code for composite IBCs A 25 mm (1 inch) woven lining of asbestos must be replaced with a capital code or other approved material must be placed between the bolster slabbing and the bot- letter designation found in tom of the tank. If a tank car tank is § 178.702(a)(2) of this subchapter to equipped with a non-reclosing pressure re- specify the material used for the outer lief device, the rupture disc must be per- packaging. Tables 1, 2, and 3 follow:

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TABLE 1.—IB CODES (IBC CODES)

IBC Code Authorized IBCs

IB1 ...... Authorized IBCs: Metal (31A, 31B and 31N). Additional Requirement: Only liquids with a vapor pressure less than or equal to 110 kPa at 50 °C (1.1 bar at 122 °F), or 130 kPa at55 °C (1.3 bar at 131 °F) are authorized. IB2 ...... Authorized IBCs: Metal (31A, 31B and 31N); Rigid plastics (31H1 and 31H2); Composite (31HZ1). Additional Requirement: Only liquids with a vapor pressure less than or equal to 110 kPa at 50 °C (1.1 bar at 122 °F), or 130kPa at 55 °C (1.3 bar at 131 °F) are authorized. IB3 ...... Authorized IBCs: Metal (31A, 31B and 31N); Rigid plastics (31H1 and 31H2); Composite (31HZ1 and 31HA2, 31HB2, 31HN2, 31HD2 and 31HH2). Additional Requirement: Only liquids with a vapor pressure less than or equal to 110 kPa at 50 °C (1.1 bar at 122 °F), or 130 kPa at 55 °C (1.3 bar at 131 °F) are authorized. IB4 ...... Authorized IBCs: Metal (11A, 11B, 11N, 21A, 21B, 21N, 31A, 31B and 31N). IB5 ...... Authorized IBCs: Metal (11A, 11B, 11N, 21A, 21B, 21N, 31A, 31B and 31N); Rigid plastics (11H1, 11H2, 21H1, 21H2, 31H1 and 31H2); Composite (11HZ1, 21HZ1 and 31HZ1). IB6 ...... Authorized IBCs: Metal (11A, 11B, 11N, 21A, 21B, 21N, 31A, 31B and 31N); Rigid plastics (11H1, 11H2, 21H1, 21H2, 31H1 and 31H2); Composite (11HZ1, 11HZ2, 21HZ1, 21HZ2, 31HZ1 and 31HZ2). Additional Requirement: Composite IBCs 11HZ2 and 21HZ2 may not be used when the hazardous mate- rials being transported may become liquid during transport. IB7 ...... Authorized IBCs: Metal (11A, 11B, 11N, 21A, 21B, 21N, 31A, 31B and 31N); Rigid plastics (11H1, 11H2, 21H1, 21H2, 31H1 and 31H2); Composite (11HZ1, 11HZ2, 21HZ1, 21HZ2, 31HZ1 and 31HZ2); Wooden (11C, 11D and 11F). Additional Requirement: Liners of wooden IBCs must be sift-proof. IB8 ...... Authorized IBCs: Metal (11A, 11B, 11N, 21A, 21B, 21N, 31A, 31B and 31N); Rigid plastics (11H1, 11H2, 21H1, 21H2, 31H1 and 31H2); Composite (11HZ1, 11HZ2, 21HZ1, 21HZ2, 31HZ1 and 31HZ2); Fiber- board (11G); Wooden (11C, 11D and 11F); Flexible (13H1, 13H2, 13H3, 13H4, 13H5, 13L1, 13L2, 13L3, 13L4, 13M1 or 13M2). IB99 ...... IBCs are only authorized if approved by the Associate Administrator.

TABLE 2.—ORGANIC PEROXIDE IBC CODE (IB52) [This IBC Code applies to organic peroxides of type F. For formulations not listed in this table, only IBCs that are approved by the Associate Administrator may be used.]

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

3109 ...... ORGANIC PEROXIDE, TYPE F, LIQUID tert-Butyl hydroperoxide, not more than 31A 1250 72% with water. tert-Butyl peroxyacetate, not more than 31A 1250 32% in diluent type A. 31HA1 1000 tert-Butyl peroxy-3,5,5-trimethylhexanoate, 31A 1250 not more than 32% in diluent type A. 31HA1 1000 Cumyl hydroperoxide, not more than 90% 31HA1 1250 in diluent type A. Dibenzoyl peroxide, not more than 42% as 31H1 1000 a stable dispersion. Di-tert-butyl peroxide, not more than 52% 31A 1250 in diluent type A. 31HA1 1000 1,1-Di-(tert-butylperoxy) cyclohexane, not 31H1 1000 more than 42% in diluent type A. Dilauroyl peroxide, not more than 42%, sta- 31HA1 1000 ble dispersion, in water. Isopropyl cumyl hydroperoxide, not more 31HA1 1250 than 72% in diluent type A. p-Menthyl hydroperoxide, not more than 31HA1 1250 72% in diluent type A. Peroxyacetic acid, stabilized, not more than 31H1 1500 17%. 31HA1 1500 31A 1500 3110 ...... Organic peroxide type F, solid ...... 31A 31H1 31HA1 Dicumyl peroxide ...... 31A 31H1 31HA1 3119 ...... ORGANIC PEROXIDE, TYPE F, LIQUID, TEMPERATURE CONTROLLED tert-Butyl peroxy-2-ethylhexanoate, not 31HA1 1000 +30 °C +35 °C more than 32% in diluent type B. 31A 1250 +30 °C +35 °C tert-Butyl peroxyneodecanoate, not more 31A 1250 0 °C +10 °C than 32% in diluent type A.

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TABLE 2.—ORGANIC PEROXIDE IBC CODE (IB52)—Continued [This IBC Code applies to organic peroxides of type F. For formulations not listed in this table, only IBCs that are approved by the Associate Administrator may be used.]

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

tert-Butyl peroxyneodecanoate, not more 31A 1250 ¥5 °C +5 °C than 42% stable dispersion, in water. tert-Butyl peroxypivalate, not more than 31HA1 1000 +10 °C +15 °C 27% in diluent type B. 31A 1250 +10 °C +15 °C Cumyl peroxyneodecanoate, not more than 31A 1250 ¥15 °C ¥5 °C 52%, stable dispersion, in water. Di-(4-tert-butylcyclohexyl) 31HA1 1000 +30 °C +35 °C peroxydicarbonate, not more than 42%, stable dispersion, in water. Dicetyl peroxydicarbonate, not more than 31HA1 1000 +30 °C +35 °C 42%, stable dispersion, in water. Di-(2-ethylhexyl) peroxydicarbonate, not 31A 1250 ¥20 °C ¥10 °C more than 52%, stable dispersion, in water. Dimyristyl peroxydicarbonate, not more 31HA1 1000 +15 °C +20 °C than 42%, stable dispersion, in water. Di-(3,5,5-trimethylhexanoyl) peroxide, not 31HA1 1000 +10 °C +15 °C more than 38% in diluent type A. 31A 1250 +10 °C +15 °C Di-(3,5,5-trimethylhexanoyl) peroxide, not 31A 1250 +10 °C +15 °C more than 52%, stable dispersion, in water. 1,1,3,3-Tetramethylbutyl 31A 1250 ¥5 °C +5 °C peroxyneodecanoate, not more than 52%, stable dispersion, in water.

TABLE 3.—IP CODES

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.

(5) ‘‘N’’ codes. These provisions apply N6 Battery fluid packaged with electric only to non-bulk packagings: storage batteries, wet or dry, must con- form to the packaging provisions of Code/Special Provisions § 173.159 (g) or (h) of this subchapter. N7 The hazard class or division number of N3 Glass inner packagings are permitted in the material must be marked on the pack- combination or composite packagings only age in accordance with § 172.302 of this sub- if the hazardous material is free from chapter. However, the hazard label cor- hydrofluoric acid. responding to the hazard class or division N4 For combination or composite pack- may be substituted for the marking. agings, glass inner packagings, other than N8 Nitroglycerin solution in alcohol may be ampoules, are not permitted. transported under this entry only when the N5 Glass materials of construction are not solution is packed in metal cans of not authorized for any part of a packaging more than 1 L capacity each, overpacked which is normally in contact with the haz- in a wooden box containing not more than ardous material.

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5 L. Metal cans must be completely sur- formance level at a specific gravity of not rounded with absorbent cushioning mate- less than 1.8. rial. Wooden boxes must be completely N43 Metal drums are permitted as single lined with a suitable material impervious packagings only if constructed of nickel or to water and nitroglycerin. monel. N10 Lighters and their inner packagings, N45 Copper cartridges are authorized as which have been approved by the Associate inner packagings if the hazardous material Administrator (see § 173.21(i) of this sub- is not in dispersion. chapter), must be packaged in one of the N65 Outage must be sufficient to prevent following outer packagings at the Packing cylinders or spheres from becoming liquid Group II level: 4C1 or 4C2 wooden boxes; 4D full at 55 °C (130 °F). The vacant space (out- plywood boxes; 4F reconstituted wood age) may be charged with a nonflammable boxes; 4G fiberboard boxes; or 4H1 or 4H2 nonliquefied compressed gas if the pressure plastic boxes. The approval number (e.g., in the cylinder or sphere at 55 °C (130 °F) T–* * *) must be marked on each outer does not exceed 125 percent of the marked package and on the shipping paper. service pressure. N11 This material is excepted for the speci- N72 Packagings must be examined by the fication packaging requirements of this Bureau of Explosives and approved by the subchapter if the material is packaged in Associate Administrator. strong, tight non-bulk packaging meeting N73 Packagings consisting of outer wooden the requirements of subparts A and B of or fiberboard boxes with inner glass, metal part 173 of this subchapter. or other strong containers; metal or fiber N12 Plastic packagings are not authorized. drums; kegs or barrels; or strong metal N20 A 5M1 multi-wall paper bag is author- cans are authorized and need not conform ized if transported in a closed transport - to the requirements of part 178 of this sub- hicle. chapter. N25 Steel single packagings are not author- N74 Packages consisting of tightly closed ized. inner containers of glass, earthenware, N32 Aluminum materials of construction metal or polyethylene, capacity not over are not authorized for single packagings. 0.5 kg (1.1 pounds) securely cushioned and N33 Aluminum drums are not authorized. packed in outer wooden barrels or wooden N34 Aluminum construction materials are or fiberboard boxes, not over 15 kg (33 not authorized for any part of a packaging pounds) net weight, are authorized and which is normally in contact with the haz- need not conform to the requirements of ardous material. part 178 of this subchapter. N36 Aluminum or aluminum alloy construc- N75 Packages consisting of tightly closed tion materials are permitted only for halo- inner packagings of glass, earthenware or genated hydrocarbons that will not react metal, securely cushioned and packed in with aluminum. outer wooden barrels or wooden or fiber- N37 This material may be shipped in an in- board boxes, capacity not over 2.5 kg (5.5 tegrally-lined fiber drum (1G) which meets pounds) net weight, are authorized and the general packaging requirements of sub- need not conform to the requirements of part B of part 173 of this subchapter, the part 178 of this subchapter. requirements of part 178 of this subchapter N76 For materials of not more than 25 per- at the packing group assigned for the ma- cent active ingredient by weight, packages terial and to any other special provisions consisting of inner metal packagings not of column 7 of the § 172.101 table. greater than 250 mL (8 ounces) capacity N40 This material is not authorized in the each, packed in strong outer packagings following packagings: together with sufficient absorbent mate- a. A combination packaging consisting of a rial to completely absorb the liquid con- 4G fiberboard box with inner receptacles tents are authorized and need not conform of glass or earthenware; to the requirements of part 178 of this sub- b. A single packaging of a 4C2 sift-proof, chapter. natural wood box; or N77 For materials of not more than two c. A composite packaging 6PG2 (glass, por- percent active ingredients by weight, pack- celain or stoneware receptacles within a agings need not conform to the require- fiberboard box). ments of part 178 of this subchapter, if liq- N41 Metal construction materials are not uid contents are absorbed in an inert mate- authorized for any part of a packaging rial. which is normally in contact with the haz- N78 Packages consisting of inner glass, ardous material. earthenware, or polyethylene or other non- N42 1A1 drums made of carbon steel with fragile plastic bottles or jars not over 0.5 thickness of body and heads of not less kg (1.1 pounds) capacity each, or metal than 1.3 mm (0.050 inch) and with a corro- cans not over five pounds capacity each, sion-resistant phenolic lining are author- packed in outer wooden boxes, barrels or ized for stabilized benzyl chloride if tested kegs, or fiberboard boxes are authorized and certified to the Packing Group I per- and need not conform to the requirements

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of part 178 of this subchapter. Net weight and self-reactive substances which are of contents in fiberboard boxes may not ex- authorized to be transported in port- ceed 29 kg (64 pounds). Net weight of con- able tanks are listed along with the ap- tents in wooden boxes, barrels or kegs may not exceed 45 kg (99 pounds). plicable control and emergency tem- N79 Packages consisting of tightly closed peratures. Liquefied compressed gases metal inner packagings not over 0.5 kg (1.1 are assigned to portable tank instruc- pounds) capacity each, packed in outer tion T50. T50 provides the maximum al- wooden or fiberboard boxes, or wooden bar- lowable working pressures, bottom rels, are authorized and need not conform opening requirements, pressure relief to the requirements of part 178 of this sub- chapter. Net weight of contents may not requirements and degree of filling re- exceed 15 kg (33 pounds). quirements for liquefied compressed N80 Packages consisting of one inner metal gases permitted for transport in port- can, not over 2.5 kg (5.5 pounds) capacity, able tanks. Refrigerated liquefied gases packed in an outer wooden or fiberboard which are authorized to be transported box, or a wooden barrel, are authorized and in portable tanks are specified in tank need not conform to the requirements of part 178 of this subchapter. instruction T75. N82 See § 173.306 of this subchapter for clas- (ii) The following table specifies the sification criteria for flammable aerosols. portable tank requirements applicable (6) ‘‘R’’ codes. These provisions apply to T Codes T1 through T22. Column 1 only to transportation by rail. [Re- specifies the T Code. Column 2 specifies served] the minimum test pressure, in bar (1 (7) ‘‘T’’ codes. (i) These provisions bar = 14.5 psig), at which the periodic apply to the transportation of haz- hydrostatic testing required by § 180.605 ardous materials in UN and IM Speci- of this subchapter must be conducted. fication portable tanks. Portable tank Column 3 specifies the section ref- instructions specify the requirements erence for minimum shell thickness or, applicable to a portable tank when alternatively, the minimum shell used for the transportation of a specific thickness value. Column 4 specifies the hazardous material. These require- applicability of § 178.275(g)(3) of this ments must be met in addition to the subchapter for the pressure relief de- design and construction specifications vices. When the word ‘‘Normal’’ is indi- in part 178 of this subchapter. Portable cated, § 178.275(g)(3) of this subchapter tank instructions T1 through T22 speci- does not apply. Column 5 references the fy the applicable minimum test pres- applicable requirements for bottom sure, the minimum shell thickness (in openings in part 178 of this subchapter reference steel), bottom opening re- or references ‘‘Prohibited’’ which quirements and pressure relief require- means bottom openings are prohibited. ments. In T23, the organic peroxides The table follows:

TABLE OF PORTABLE TANK T CODER T1ÐT22 [Portable tank code T1ÐT22 apply to liquid and solid hazardous materials of Classes 3 through 9 which are transported in portable tanks.]

Portable Minimum test Minimum shell thickness Pressure-relief Bottom opening tank pressure (in mm-reference steel) requirements requirements instruction (bar) (See ¤ 178.274(d)) (See ¤ 178.275(g)) (See ¤ 178.275(d))

(1) (2) (3) (4) (5)

T1 ...... 1.5 ¤ 178.274(d)(2) Normal ...... ¤ 178.275(d)(2). T2 ...... 1.5 ¤ 178.274(d)(2) Normal ...... ¤ 178.275(d)(3). T3 ...... 2.65 ¤ 178.274(d)(2) Normal ...... ¤ 178.275(d)(2). T4 ...... 2.65 ¤ 178.274(d)(2) Normal ...... ¤ 178.275(d)(3). T5 ...... 2.65 ¤ 178.274(d)(2) ¤ 178.275(g)(3) ...... Prohibited. T6 ...... 4 ¤ 178.274(d)(2) Normal ...... ¤ 178.275(d)(2). T7 ...... 4 ¤ 178.274(d)(2) Normal ...... ¤ 178.275(d)(3). T8 ...... 4 ¤ 178.274(d)(2) Normal ...... Prohibited. T9 ...... 4 6 mm Normal ...... Prohibited. T10 ...... 4 6 mm ¤ 178.275(g)(3) ...... Prohibited. T11 ...... 6 ¤ 178.274(d)(2) Normal ...... ¤ 178.275(d)(3). T12 ...... 6 ¤ 178.274(d)(2) ¤ 178.275(g)(3) ...... ¤ 178.275(d)(3). T13 ...... 6 6 mm Normal ...... Prohibited. T14 ...... 6 6 mm ¤ 178.275(g)(3) ...... Prohibited. T15 ...... 10 ¤ 178.274(d)(2) Normal ...... ¤ 178.275(d)(3). T16 ...... 10 ¤ 178.274(d)(2) ¤ 178.275(g)(3) ...... ¤ 178.275(d)(3).

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TABLE OF PORTABLE TANK T CODER T1ÐT22—Continued [Portable tank code T1ÐT22 apply to liquid and solid hazardous materials of Classes 3 through 9 which are transported in portable tanks.]

Portable Minimum test Minimum shell thickness Pressure-relief Bottom opening tank pressure (in mm-reference steel) requirements requirements instruction (bar) (See ¤ 178.274(d)) (See ¤ 178.275(g)) (See ¤ 178.275(d))

(1) (2) (3) (4) (5)

T17 ...... 10 6 mm Normal ...... ¤ 178.275(d)(3). T18 ...... 10 6 mm ¤ 178.275(g)(3) ...... ¤ 178.275(d)(3). T19 ...... 10 6 mm ¤ 178.275(g)(3) ...... Prohibited. T20 ...... 10 8 mm ¤ 178.275(g)(3) ...... Prohibited. T21 ...... 10 10 mm Normal ...... Prohibited. T22 ...... 10 10 mm ¤ 178.275(g)(3) ...... Prohibited.

(iii) The following table specifies the Division 4.1 and organic peroxides of portable tank requirements applicable Division 5.2 which are authorized to be to T23 for self-reactive substances of transported in portable tanks:

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(iv) The following portable tank in- diameter of 1.5 meters or less when struction applies to portable tanks measured at the widest part of the used for the transportation of liquefied shell, ‘‘sunshield’’ means a portable compressed gases. The T50 table pro- tank with a shield covering at least the vides the UN identification number and upper third of the shell, ‘‘bare’’ means proper shipping name for each liquefied no sunshield or insulation is provided, compressed gas authorized to be trans- and ‘‘insulated’’ means a complete ported in a T50 portable tank. The cladding of sufficient thickness of insu- table provides maximum allowable lating material necessary to provide a working pressures, bottom opening re- minimum conductance of not more quirements, pressure relief device re- than 0.67 w/m2 quirements and degree of filling re- /k. In the pressure relief quirements for each liquefied com- requirements column, the word ‘‘Nor- pressed gases permitted for transpor- mal’’ denotes that a frangible disc as tation in a T50 portable tank. In the specified in § 178.276(e)(3) of this sub- minimum test pressure column, chapter is not required. The T50 table ‘‘small’’ means a portable tank with a follows:

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VerDate Dec<13>2002 10:29 Jan 09, 2003 Jkt 197201 PO 00000 Frm 00328 Fmt 8010 Sfmt 8010 Y:\SGML\197201T.XXX 197201T Research and Special Programs Admin., DOT § 172.102 173.32(f) 173.32(f) ¤ ¤ 178.276(e)(3) ...... 0.78 178.276(e)(3) ...... 0.78 178.276(e)(3) ...... 1.51 178.276(e)(3) ...... 1.3 ¤ ¤ ¤ ¤ Allowed ...... Normal ...... 0.43 Allowed ...... Normal ...... 0.58 Allowed ...... Normal ...... See Allowed ...... Normal ...... 0.8 Allowed ...... Normal ...... 0.52 Not allowed ...... Not allowed ...... Allowed ...... Normal ...... See Not allowed ...... Allowed ...... Normal ...... 0.81 Not allowed ...... 178.276(a). 178.276(a). ¤ insulatedportable tanks. ¤ 28.0 ...... 24.5 ...... 22.0 ...... 20.0 ...... 9.6 ...... 7.8 ...... 7.0 ...... 7.0 ...... 7.0 ...... 7.0 ...... 7.0 ...... 7.0 ...... 7.0 ...... 7.0 ...... 7.0 ...... 7.0 ...... Only authorized in 10 bar See MAWP defination in 7.0 ...... 7.0 ...... 7.0 ...... 12.7 ...... 11.3 ...... 10.0 ...... 7.0 ...... 7.0 ...... 7.0 ...... with . C ° nitrogen up to a total pressure Refrigerant gas R 40 ...... 14.5 ...... or . bilized. of 1MPa (10 bar) at 50 more than 9% butnot 87% ethylene oxide 1037 ...... Ethyl chloride ...... 7.0 ...... 1040 ...... Ethylene oxide with 1041 ...... Ethylene oxide and carbon dioxide mixture 1055 ...... Isobutylene ...... 8.1 ...... 1060 ...... Methyl acetylene and propadiene mixture, sta- 1061 ...... Methylamine, anhydrous ...... 10.8 ...... 1062 ...... Methyl bromide ...... 7.0 ...... 1063 ...... Methyl chloride 1064 ...... Methyl mercaptan ...... 7.0 ...... 1067 ...... Dinitrogen tetroxide ...... 7.0 ...... 1075 ...... Petroleum gas, liquefied ...... See MAWP definition in

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VerDate Dec<13>2002 10:29 Jan 09, 2003 Jkt 197201 PO 00000 Frm 00329 Fmt 8010 Sfmt 8010 Y:\SGML\197201T.XXX 197201T § 172.102 49 CFR Ch. I (10–1–02 Edition) (kg/l) filling density Maximum 173.32(f) ¤ 178.27(e)) ¤ Pressure relief require- 178.276(e)(3) ...... 1.13 178.276(e)(3) ...... 1.23 ments (see ¤ ¤ level Continued Openings below liquid — Allowed ...... Normal ...... 1.37 Allowed ...... Normal ...... 0.81 Allowed ...... Normal ...... See Allowed ...... Normal ...... 0.56 Allowed ...... Normal ...... 0.43 Not allowed ...... Not allowed ...... Allowed ...... Normal ...... 0.67 ...... T50 ...... ODE C ANK T 178.276(a). sunshield; insulated ¤ Max. allowable working pressure (bar) small; bare; 7.0 ...... 7.0 ...... 7.0 ...... 9.3 ...... 8.0 ...... 7.0 ...... 7.0 ...... 7.0 ...... 7.0 ...... 24.5 ...... 22.0 ...... 20.0 ...... 17.0 ...... 15.0 ...... 13.1 ...... 11.6 ...... 10.3 ...... 8.5 ...... 7.6 ...... 7.0 ...... 7.0 ...... 7.0 ...... ORTABLE P [Portable tank code T50 applies to liquefied compressed gases.] Refrigerant or gas R 1113. UN No. Non-refrigerated liquefied compressed gases 1077 ...... Propylene ...... 28.0 ...... 1078 ...... Refrigerant gas, n.o.s...... See MAWP definition in 1079 ...... Sulphur dioxide ...... 11.6 ...... 1082 ...... Trifluorochloroethylene, stabilized 1083 ...... Trimethylamine, anhydrous ...... 7.0 ...... 1085 ...... Vinyl bromide, stabilized ...... 7.0 ...... 1086 ...... Vinyl chloride, stabilized ...... 10.6 ...... 1087 ...... Vinyl methyl ether, stabilized ...... 7.0 ......

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(v) When portable tank instruction sions are designated with the abbrevia- T75 is referenced in Column (7) of the tion TP (tank provision) and are as- § 172.101 Table, the applicable refrig- signed to specific hazardous materials erated liquefied gases are authorized to in Column (7) of the § 172.101 Table. The be transported in portable tanks in ac- following is a list of the portable tank cordance with the requirements of special provisions: § 178.277 of this subchapter. (vi) UN and IM portable tank codes/spe- Code/Special Provisions cial provisions. When a specific portable TP1 The maximum degree of filling must tank instruction is specified by a T not exceed the degree of filling determined Code in Column (7) of the § 172.101 Table by the following: for a specific hazardous material, a Specification portable tank conforming  97  to an alternative tank instruction may Degree of filling = .  +−α  be used if:  1 ()ttrf (A) the alternative portable tank has Where: a higher or equivalent test pressure (for example, 4 bar when 2.65 bar is tr is the maximum mean bulk temperature during transport, and tf is the tempera- specified); ture in degrees celsius of the liquid dur- (B) the alternative portable tank has ing filling. greater or equivalent wall thickness TP2 a. The maximum degree of filling (for example, 10 mm when 6 mm is must not exceed the degree of filling deter- specified); mined by the following: (C) the alternative portable tank has a pressure relief device as specified in  95  the T Code. If a frangible disc is re- Degree of filling = .  +−α  quired in series with the reclosing pres-  1 ()ttrf sure relief device for the specified port- able tank, the alternative portable Where: tank must be fitted with a frangible tr is the maximum mean bulk temperature during transport, disc in series with the reclosing pres- tf is the temperature in degrees celsius of the sure relief device; and liquid during filling, and (D) With regard to bottom openings— a is the mean coefficient of cubical expan- (1) When two effective means are sion of the liquid between the mean tem- specified, the alternative portable tank perature of the liquid during filling (tf) is fitted with bottom openings having and the maximum mean bulk tempera- two or three effective means of closure ture during transportation (tr) both in or no bottom openings; or degrees celsius. (2) When three effective means are b. For liquids transported under ambient specified, the portable tank has no bot- conditions a may be calculated using the for- mula: tom openings or three effective means of closure; or dd− (3) When no bottom openings are au- α= 15 50 thorized, the alternative portable tank 35 d50 must ot have bottom openings. Where: (vii) When a hazardous material is d15 and d50 are the densities (in units of mass not assigned a portable tank T Code or per unit volume) of the liquid at 15 °C (59 TP 9 is referenced in Column (7) of the °F) and 50 °C (122 °F), respectively. § 172.101 Table, the hazardous material TP3 For liquids transported under ele- may only be transported in a portable vated temperature, the maximum degree of tank if approved by the Associate Ad- filling is determined by the following: ministrator. (viii) Portable tank special provi-   d t sions are assigned to certain hazardous Degree of filling = 95  . materials to specify requirements that  df  are in addition to those provided by the Where: portable tank instructions or the re- dt is the density of the material at the max- quirements in part 178 of this sub- imum mean bulk temperature during chapter. Portable tank special provi- transport; and

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df is the density of the material at the tem- tation. The means of protection must be ap- perature in degrees celsius of the liquid proved by the approval agency designated to during filling; and approve the portable tank in accordance df is the density of the liquid at the mean with the procedures in part 107, subpart E, of temperature of the liquid during filling, this subchapter. The pressure relief device and dt is the maximum mean bulk tem- must be preceded by a frangible disk in ac- perature during transport. cordance with the requirements in TP4 The maximum degree of filling for § 178.275(g)(3) of this subchapter to prevent portable tanks must not exceed 90%. crystallization of the product in the pressure TP5 For a portable tank used for the relief device. transport of flammable refrigerated liquefied TP17 Only inorganic non-combustible ma- gases or refrigerated liquefied oxygen, the terials may be used for thermal insulation of maximum rate at which the portable tank the tank. may be filled must not exceed the liquid flow TP18 The temperature of this material capacity of the primary pressure relief sys- must be maintained between 18 °C (64.4 °F) tem rated at a pressure not exceeding 120 and 40 °C (104 °F) while in transportation. percent of the portable tank’s design pres- Portable tanks containing solidified meth- sure. For portable tanks used for the trans- acrylic acid must not be reheated during port of refrigerated liquefied helium and re- transportation. frigerated liquefied atmospheric gas (except TP19 The calculated wall thickness must oxygen), the maximum rate at which the be increased by 3 mm at the time of con- tank is filled must not exceed the liquid flow struction. Wall thickness must be verified capacity of the pressure relief device rated ultrasonically at intervals midway between at 130 percent of the portable tank’s design periodic hydraulic tests (every 2.5 years). pressure. Except for a portable tank con- The portable tank must not be used if the taining refrigerated liquefied helium, a port- wall thickness is less than that prescribed by able tank shall have an outage of at least the applicable T code in Column (7) of the two percent below the inlet of the pressure Table for this material. relief device or pressure control valve, under TP20 This hazardous material must only conditions of incipient opening, with the be transported in insulated tanks under a ni- portable tank in a level attitude. No outage trogen blanket. is required for helium. TP21 The wall thickness must not be less TP6 To prevent the tank from bursting in than 8 mm. Portable tanks must be hydrau- an event, including fire engulfment (the con- lically tested and internally inspected at in- ditions prescribed in CGA pamphlet S–1.2 tervals not exceeding 2.5 years. (see § 171.7 of this subchapter) may be used to TP22 Lubricants for portable tank fit- consider the fire engulfment condition), it tings (for example, gaskets, shut-off valves, must be equipped with pressure relief devices flanges) must be oxygen compatible. that are adequate in relation to the capacity TP24 The portable tank may be fitted of the tank and the nature of the hazardous with a device to prevent the build up of ex- material transported. cess pressure due to the slow decomposition TP7 The vapor space must be purged of of the hazardous material being transported. air by nitrogen or other means. The device must be in the vapor space when TP8 A portable tank having a minimum the tank is filled under maximum filling test pressure of 1.5 bar (150 kPa) may be used conditions. This device must also prevent an when the flash point of the hazardous mate- unacceptable amount of leakage of liquid in rial transported is greater than 0 °C (32 °F). the case of overturning. TP9 A hazardous material assigned to TP25 Sulphur trioxide 99.95% pure and special provision TP9 in Column (7) of the above may be transported in tanks without § 172.101 Table may only be transported in a an inhibitor provided that it is maintained portable tank if approved by the Associate at a temperature equal to or above 32.5 °C Administrator. (90.5 °F). TP10 The portable tank must be fitted TP26 The heating device must be exterior with a lead lining at least 5 mm (0.2 inches) to the shell. For UN 3176, this requirement thick. The lead lining must be tested annu- only applies when the hazardous material re- ally to ensure that it is intact and func- acts dangerously with water. tional. Another suitable lining material may TP27 A portable tank having a minimum be used if approved by the Associate Admin- test pressure of 4 bar (400 kPa) may be used istrator. provided the calculated test pressure is 4 bar TP12 This material is considered highly or less based on the MAWP of the hazardous corrosive to steel. material, as defined in § 178.275 of this sub- TP13 Self-contained breathing apparatus chapter, where the test pressure is 1.5 times must be provided when this hazardous mate- the MAWP. rial is transported by sea. TP28 A portable tank having a minimum TP16 The portable tank must be pro- test pressure of 2.65 bar (265 kPa) may be tected against over and under pressurization used provided the calculated test pressure is which may be experienced during transpor- 2.65 bar or less based on the MAWP of the

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hazardous material, as defined in § 178.275 of TP46 Portable tanks in sodium metal this subchapter, where the test pressure is service are not required to be 1.5 times the MAWP. hydrostatically retested. TP29 A portable tank having a minimum test pressure of 1.5 bar (150.0 kPa) may be (8) ‘‘W’’ codes. These provisions apply used provided the calculated test pressure is only to transportation by water: 1.5 bar or less based on the MAWP of the haz- Code/Special Provisions ardous materials, as defined in § 178.275 of this subchapter, where the test pressure is W7 Vessel stowage category for uranyl ni- 1.5 times the MAWP. trate hexahydrate solution is ‘‘D’’ as de- TP30 This hazardous material may only fined in § 172.101(k)(4). be transported in insulated tanks. W8 Vessel stowage category for pyrophoric TP31 This hazardous material may only thorium metal or pyrophoric uranium be transported in tanks in the solid state. metal is ‘‘D’’ as defined in § 172.101(k)(4). TP37 IM portable tanks are only author- W9 When offered for transportation by ized for the shipment of hydrogen peroxide water, the following Specification pack- solutions in water containing 72% or less hy- agings are not authorized unless approved drogen peroxide by weight. Pressure relief by the Associate Administrator: woven devices shall be designed to prevent the plastic bags, plastic film bags, textile bags, entry of foreign matter, the leakage of liquid paper bags, IBCs and bulk packagings. and the development of any dangerous excess W41 When offered for transportation by pressure. In addition, the portable tank must water, this material must be packaged in be designed so that internal surfaces may be bales and be securely and tightly bound effectively cleaned and passivated. Each with rope, wire or similar means. tank must be equipped with pressure relief [Amdt. 172–123, 55 FR 52582, Dec. 21, 1990] devices conforming to the following require- ments: EDITORIAL NOTE: For FEDERAL REGISTER ci- tations affecting § 172.102, see the List of CFR Concentration of hydrogen per peroxide solution Total 1 Sections Affected which appears in the Find- ing Aids section of the printed volume and 52% or less ...... 11 on GPO Access. Over 52%, but not greater than 60% ...... 22 Over 60%, but not greater than 72% ...... 32 EFFECTIVE DATE NOTE: At 67 FR 53135, Aug. 14, 2002, § 172.102 was amended in paragraph 1 Total venting capacity in standard cubic feet hour (S.C.F.H.) per pound of hydrogen peroxide solution. (c)(1) by adding Special provision 141, in paragraph (c)(2) by revising Special Provi- TP38 Each portable tank must be insu- sion A13, removing Special provision A14, lated with an insulating material so that the and adding Special Provisions A81 and A82 in overall thermal conductance at 15.5 °C (60 °F) alphanumeric order, effective Oct. 1, 2002. At is no more than 1.5333 kilojoules per hour per 67 FR 54967, Aug. 27, 2002, the effective date square meter per degree Celsius (0.075 Btu was corrected to Feb. 14, 2003. For the con- per hour per square foot per degree Fahr- venience of the user, the revised and added enheit) temperature differential. Insulating text is set forth as follows: materials may not promote corrosion to steel when wet. § 172.102 Special provisions. TP44 Each portable tank must be made of stainless steel, except that steel other than * * * * * stainless steel may be used in accordance with the provisions of § 173.24b(b) of this sub- (c) * * * chapter. Thickness of stainless steel for tank (1) * * * shell and heads must be the greater of 7.62 mm (0.300 inch) or the thickness required for Code/Special Provisions a portable tank with a design pressure at least equal to 1.5 times the vapor pressure of * * * * * the hazardous material at 46 °C (115 °F). TP45 Each portable tank must be made of 141 A toxin obtained from a plant, animal, stainless steel, except that steel other than or bacterial source containing an infec- stainless steel may be used in accordance tious substance, or a toxin contained in an with the provisions of 173.24b(b) of this sub- infectious substance, must be classed as chapter. Thickness of stainless steel for port- Division 6.2, described as an infectious sub- able tank shells and heads must be the great- stance, and assigned to UN 2814 or UN 2900, er of 6.35 mm (0.250 inch) or the thickness re- as appropriate. quired for a portable tank with a design pres- sure at least equal to 1.3 times the vapor * * * * * pressure of the hazardous material at 46 °C (115 °F). (2) * * *

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Code/Special Provisions scription must conform to the fol- lowing requirements: * * * * * (1) When a hazardous material and a A13 Bulk packagings are not authorized for material not subject to the require- transportation by aircraft. ments of this subchapter are described on the same shipping paper, the haz- * * * * * ardous material description entries re- quired by § 172.202 and those additional A81 The quantity limits in columns (9A) entries that may be required by and (9B) do not apply to body fluids known § 172.203: to contain or suspected of containing an infectious substance when transported in (i) Must be entered first, or primary receptacles not exceeding 1,000 mL (ii) Must be entered in a color that (34 ounces) and in outer packagings not ex- clearly contrasts with any description ceeding 4 L (1 gallon) and packaged in ac- on the shipping paper of a material not cordance with § 173.196 of this subchapter. subject to the requirements of this sub- A82 The quantity limits in columns (9A) chapter, except that a description on a and (9B) do not apply to human or animal body parts, whole organs or whole bodies reproduction of a shipping paper may known to contain or suspected of con- be highlighted, rather than printed, in taining an infectious substance. a contrasting color (the provisions of this paragraph apply only to the basic * * * * * description required by § 172.202(a)(1), (2), (3), and (4)), or Subpart C—Shipping Papers (iii) Must be identified by the entry of an ‘‘X’’ placed before the proper § 172.200 Applicability. shipping name in a column captioned ‘‘HM.’’ (The ‘‘X’’ may be replaced by (a) Description of hazardous materials ‘‘RQ,’’ if appropriate.) required. Except as otherwise provided (2) The required shipping description in this subpart, each person who offers on a shipping paper and all copies a hazardous material for transpor- thereof used for transportation pur- tation shall describe the hazardous ma- poses, must be legible and printed terial on the shipping paper in the (manually or mechanically) in English. manner required by this subpart. (b) This subpart does not apply to (3) Unless it is specifically authorized any material, other than a hazardous or required in this subchapter, the re- substance, hazardous waste or marine quired shipping description may not pollutant, that is— contain any code or abbreviation. (1) Identified by the letter ‘‘A’’ in col- (4) A shipping paper may contain ad- umn 1 of the § 172.101 table, except ditional information concerning the when the material is offered or in- material provided the information is tended for transportation by air; or not inconsistent with the required de- (2) Identified by the letter ‘‘W’’ in scription. Unless otherwise permitted column 1 of the § 172.101 table, except or required by this subpart, additional when the material is offered or in- information must be placed after the tended for transportation by water; or basic description required by (3) An ORM–D, except when the ma- § 172.202(a). terial is offered or intended for trans- (b) [Reserved] portation by air. (c) Continuation page. A shipping paper may consist of more than one [Amdt. 172–29A, 41 FR 40677, Sept. 20, 1976, as page, if each page is consecutively amended by Amdt. 172–58, 45 FR 34697, May 22, 1980; Amdt. 172–74, 47 FR 43065, Sept. 30, numbered and the first page bears a no- 1982; Amdt. 172–112, 53 FR 17160, May 13, 1988; tation specifying the total number of Amdt. 172–127, 57 FR 52938, Nov. 5, 1992] pages included in the shipping paper. For example, ‘‘Page 1 of 4 pages.’’ § 172.201 Preparation and retention of (d) Emergency response telephone num- shipping papers. ber. Except as provided in § 172.604(c), a (a) Contents. When a description of shipping paper must contain an emer- hazardous material is required to be in- gency response telephone number, as cluded on a shipping paper, that de- prescribed in subpart G of this part.

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