Epa–Hq–Oppt–2019–0131

Federal Register / Vol. 84, No. 55 / Thursday, March 21, 2019 / Notices 10491

Organizations 6100–09 ENVIRONMENTAL PROTECTION delivery of boxed information, please • Promotional partners 6100–09 AGENCY follow the instructions at http:// Annual Reporting Form—Online and www.epa.gov/dockets/contacts.html. Hard-copy Confidential Business [EPA–HQ–OPPT–2019–0131; FRL–9991–06] Additional instructions on commenting Information (CBI) Forms or visiting the docket, along with more • Initiation of Prioritization Under the Plumbing Manufacturers 6100–09 Toxic Substances Control Act (TSCA) information about dockets generally, is • Non-plumbing Manufacturers available at http://www.epa.gov/ 6100–09 AGENCY: Environmental Protection dockets. • Retailers/Distributors 6100–09 Agency (EPA). FOR FURTHER INFORMATION CONTACT: For Provider Quarterly Reporting Form ACTION: Notice. technical information about the • Licensed Certification Providers candidates for high priority contact: 6100–09 SUMMARY: As required under the Toxic Ana Corado, Chemical Control Division, Award Application Form Substances Control Act (TSCA) and Office of Pollution Prevention and • Builders 6100–17 related implementing regulations, EPA Toxics, Office of Chemical Safety and • Licensed Certification Providers is initiating the prioritization process for 6100–17 Pollution Prevention, Environmental 20 chemical substances as candidates Protection Agency (Mailcode 7408M), • Manufacturers 6100–17 for designation as High Priority • Professional Certifying 1200 Pennsylvania Ave. NW, Substances for risk evaluation and 20 Washington, DC 20460–0001; telephone Organizations 6100–17 chemical substances as candidates for • number: (202) 564–0140; email address: Promotional Partners 6100–17 designation as Low Priority Substances • Retailers/Distributors 6100–17 [email protected]. for risk evaluation. This document For technical information about the Consumer Awareness Survey provides the identity of the chemical • Survey form 6100–X2 candidates for low priority contact: substances being initiated for Lauren Sweet, Chemistry, Economics Respondents/affected entities: prioritization, a general explanation of and Sustainable Strategies Division, WaterSense partners and participants in why the Agency chose these chemical Office of Pollution Prevention and the consumer survey, which include substances and information on the data Toxics, Office of Chemical Safety and product manufacturers; professional sources that EPA plans to use to support Pollution Prevention, Environmental certifying organizations; retailers; the designation. EPA is providing a 90- Protection Agency (Mailcode 7406M) distributors; utilities; federal, state, and day comment period during which 1200 Pennsylvania Ave. NW, local governments; home builders; interested persons may submit relevant Washington, DC 20460–0001; telephone licensed certification providers; and information on these chemical number: (202) 564–0376; email address: non-governmental organizations substances. [email protected]. (NGOs). DATES: For general information contact: The Respondent’s obligation to respond: Comments must be received on or before June 19, 2019. TSCA-Hotline, ABVI-Goodwill, 422 Voluntary. South Clinton Ave., Rochester, NY ADDRESSES: Use one of the following Estimated number of respondents: 14620; telephone number: (202) 554– methods to submit comments, directing 2,649. 1404; email address: TSCA-Hotline@ not related to a specific chemical, Frequency of response: Once, epa.gov. annually, quarterly, occasionally. including comments on Unit V., to Total estimated burden: 3,212 hours docket identification (ID) number EPA– SUPPLEMENTARY INFORMATION: (per year). Burden is defined at 5 CFR HQ–OPPT–2019–0131; submit I. Executive Summary 1320.03(b). information on the 20 candidates for Total estimated cost: $293,189 (per which EPA is initiating the A. Does this action apply to me? year), includes $905 of annualized prioritization process before designation This action is directed to the public capital or operation & maintenance as High Priority Substances for risk in general and may be of interest to costs. evaluation to the applicable chemical entities that currently or may Changes in the Estimates: There is a specific docket ID number identified in manufacture (including import) a decrease of 898 hours in the total Unit III.B.; and submit information on chemical substance regulated under estimated respondent burden compared the 20 candidates for which EPA is TSCA (e.g., entities identified under with the ICR currently approved by initiating the prioritization process North American Industrial OMB. This decrease is due to changes before designation as Low Priority Classification System (NAICS) codes in program requirements including Substances for risk evaluation to the 325 and 324110). The action may also using online forms for all non-CBI applicable chemical specific docket ID be of interest to chemical processors, related data, discontinuing the number identified in Unit IV.B.: distributors in commerce, users, non- individual irrigation partner category, • Federal eRulemaking Portal: http:// profit organizations in the and simplifying the quarterly provider www.regulations.gov. Follow the online environmental and public health reporting requirements, which have instructions for submitting comments. sectors, state and local government reduced operation & maintenance costs Do not submit electronically any agencies, and members of the public. and lowered the estimated burden. EPA information you consider to be Since other entities may also be also better understands how long it Confidential Business Information (CBI) interested, the Agency has not takes partners to complete program or other information whose disclosure is attempted to describe all the specific forms and has better historical data to restricted by statute. entities and corresponding NAICS codes project new partners/forms over the • Mail: Document Control Office for entities that may be interested in or next three years. (7407M), Office of Pollution Prevention affected by this action. and Toxics (OPPT), Environmental Courtney Kerwin, Protection Agency, 1200 Pennsylvania B. What action is the Agency taking? Director, Regulatory Support Division. Ave. NW, Washington, DC 20460–0001. EPA is initiating the prioritization [FR Doc. 2019–05312 Filed 3–20–19; 8:45 am] • Hand Delivery: To make special process under the Toxic Substances BILLING CODE 6560–50–P arrangements for hand delivery or Control Act (TSCA), 15 U.S.C. 2601 et

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seq., for 20 chemical substances as F. What should I consider as I prepare Initiation of prioritization for candidates for designation as High my comments for EPA? substances as High Priority candidates Priority Substances for risk evaluation is not a finding of risk. Rather, when 1. Submitting Confidential Business and 20 chemical substances as prioritization is complete, for those Information (CBI). Do not submit this candidates for designation as Low chemicals designated as high, the information to EPA through Priority Substances for risk evaluation. regulations.gov or email. Clearly mark Agency will have evidence that this This document includes the identity of the part or all of the information that substance may present an unreasonable the chemical substances entering the you claim to be CBI. For CBI risk of injury to health or the prioritization process before information in a disk or CD–ROM that environment because of a potential designation, and a general explanation you mail to EPA, mark the outside of the hazard and a potential route of exposure of why the Agency chose to initiate disk or CD–ROM as CBI and then under the conditions of use. Final prioritization on these chemical identify electronically within the disk or designation of a high priority substance substances. In addition, EPA is CD–ROM the specific information that initiates the risk evaluation process (40 providing a 90-day comment period is claimed as CBI. In addition to one CFR 702.17), which culminates in a during which interested persons may complete version of the comment that finding of whether or not the chemical submit relevant information on these includes information claimed as CBI, a substance presents an unreasonable risk chemical substances. Relevant copy of the comment that does not under the conditions of use. A final information might include, but is not contain the information claimed as CBI designation of a Low Priority substance limited to, any information that may must be submitted for inclusion in the does not require a finding of low or no inform the prioritization screening public docket. Information so marked risk; rather, it is sufficient to show that review conducted pursuant to 40 CFR will not be disclosed except in the chemical does not meet the statutory 702.9(a). accordance with procedures set forth in criteria for a High Priority substance and 40 CFR part 2. C. Why is the Agency taking this action? that risk evaluation is not warranted at 2. Tips for preparing your comments. this time (40 CFR 702.15). TSCA section 6(b) requires that EPA When preparing and submitting your This document is intended to fulfill initiate the prioritization process for comments, see the commenting tips at the TSCA section 6(b)(1)(C)(i) http://www.epa.gov/dockets/ chemical substances that may be requirement that the Administrator comments.html. designated as high priority and low request interested persons to submit priority for risk evaluation. Per TSCA II. Background relevant information on chemical section 6(b)(2)(B), EPA must designate substances that the Administrator has at least 20 low priority substances and TSCA section 6(b)(1), as amended by identified as candidates for designation be conducting risk evaluations on at the Frank R. Lautenberg Chemical as High Priority and Low Priority least 20 high priority substances no later Safety for the 21st Century Act (Pub. L. Substances for risk evaluation. As than three and one-half years after the 114–182), requires EPA to prioritize described in 40 CFR 702.7, this date of enactment of the Frank R. chemical substances for risk evaluation document also initiates the Lautenberg Chemical Safety for the 21st and to establish a process for prioritization process, and provides 90 Century Act (Pub. L. 114–182). The prioritizing chemical substances. As request for interested persons to submit required by TSCA section 6(b) and days during which interested persons relevant information on a chemical described in 40 CFR 702.7, EPA is may submit relevant information. substance for which EPA has initiated initiating the prioritization process for As described in 40 CFR 702.9(b) the prioritization process is required by 20 chemical substances as candidates Information sources, in conducting the TSCA section 6(b)(1)(C)(i). for High Priority Substances for risk screening review during the evaluation and 20 chemical substances prioritization process, EPA will D. What is the Agency’s authority for as candidates for designation as Low consider sources of information relevant taking this action? Priority Substances. to the screening review criteria as This document is issued pursuant to Under the amended statute (section outlined in the statute (TSCA section the authority in TSCA section 6(b)(1). 6(b)(1)(B)) and implementing 6(b)(1)(A)) and implementing regulations (40 CFR 702.3), a High regulations (40 CFR 702.9(a)) and E. What are the estimated incremental Priority Substance is defined as a consistent with the scientific standards impacts of this action? chemical substance that EPA of TSCA section 26(h), including, as determines, without consideration of This document identifies the 40 appropriate, sources for hazard and costs or other non-risk factors, may exposure data listed in Appendices A chemical substances for which EPA is present an unreasonable risk of injury to initiating the prioritization process, and B of the TSCA Work Plan health or the environment because of a Chemicals: Methods Document provides a general explanation of why potential hazard and a potential route of (February 2012). the Agency chose to initiate exposure under the conditions of use, prioritization on these chemical including an unreasonable risk to Consistent with the approach in our A substances, and provides a 90-day potentially exposed or susceptible Working Approach for Identifying comment period for interested persons subpopulations identified as relevant by Potential Candidate Chemicals for to submit relevant information. This EPA. A Low Priority Substance is Prioritization (September 27, 2018) and document does not establish any described as a chemical that EPA prioritization process (40 CFR 702.7), requirements on persons or entities concludes, based on information EPA consulted with other federal outside of the Agency. No incremental sufficient to establish, without agencies and intends to continue to impacts are therefore anticipated, and consideration of costs or other non-risk collaborate with them to identify consequently EPA did not estimate factors, does not meet the statutory information that is useful throughout potential incremental impacts for this criteria for designation as a High the prioritization process. action. Priority Substance.

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III. High Priority Candidate Chemical Cancer (IARC), National Toxicology confidentiality regulations at 40 CFR Substances for Which EPA Is Initiating Program (NTP), National Institute for part 2, subpart B, intends to make this Prioritization Occupational Safety and Health information publicly available for the 20 (NIOSH), Organisation for Economic Co- initiated chemicals when we publish A. Candidates for Which EPA Is operation and Development (OECD), the proposed priority designation. Initiating Prioritization for Designation Agency for Toxic Substances and as High Priority Substances for Risk B. Chemicals Initiated Disease Registry (ATSDR), and Evaluation California Environmental Protection EPA is initiating the prioritization EPA’s working approach to selecting Agency (Cal EPA)). process for the following twenty candidates for designation as High 3. Type 3 sources: Initial searches of chemicals as candidates for designation Priority Substances for risk evaluation is additional sources of information within as High Priority Substance candidates. outlined in the document, A Working the public and gray literature domains 1. 1,3-Butadiene, CAS RN 106–99–0, Approach for Identifying Potential that are not available from Type 1 and Docket number: EPA–HQ–OPPT–2018– Candidate Chemicals for Prioritization, 2 sources (e.g., searches in PubMed, 0451. This chemical was listed in the released to the public on September 27, ToxNet, other U.S. government and 2014 Work Plan Chemicals with a 2018 (https://www.epa.gov/sites/ international websites). hazard score of 3; an exposure score of production/files/2018-09/documents/ After identifying evidence of 3; and a persistence and preprioritization_white_paper_927 information from reasonably available bioaccumulation score of 1. Data 2018.pdf). To identify candidates for sources, the information was evaluated regarding the use of this chemical was designation as High Priority Substances across several data elements including reported to EPA in 2016. EPA also the Agency primarily looked to the hazard, exposure, uses, and receives information annually on this TSCA Work Plan for Chemical physicochemical, fate and transport chemical through the Toxics Release Assessments: 2014 Update (2014 TSCA properties. Inventory. Information is available from Work Plan). EPA surveyed the After reviewing the three types of assessments by another federal agency information and checked quality data data, as explained previously, the and by other countries. elements in a step-wise approach that chemical substances were reviewed for 2. Butyl benzyl phthalate (BBP) (1,2- ensured responsible and timely data availability across all data elements Benzenedicarboxylic acid, 1-butyl 2- completion of the process according to (e.g., hazard, exposure, uses, and (phenylmethyl) ester), CAS RN 85–68–7, TSCA timelines. Additionally, EPA physicochemical, fate and transport Docket number: EPA–HQ–OPPT–2018– opened dockets for each of the 2014 properties). Considerations were given 0501. This phthalate ester was listed in TSCA Work Plan chemicals, and an for chemical similarity, similar the 2014 Work Plan Chemicals with a additional docket for non-2014 TSCA identified functions (e.g., solvents, hazard score of 3; an exposure score of Work Plan chemicals, to allow for phthalates, flame retardants), existing 3; and a persistence and public comment on the prioritization of OPPT work (e.g., experience gained bioaccumulation score of 1. Data these chemicals. from the first ten chemicals to undergo regarding the use of this chemical was The sources of information, as risk evaluation) and other information reported to EPA in 2016. EPA also described in the document A Working as identified in available risk receives information annually on this Approach for Identifying Potential assessments (e.g., IRIS, ECHA), and chemical through the Toxics Release Candidate Chemicals for Prioritization, public literature. Inventory. Information is available from included: In the absence of measured data on assessments by other countries. 1. Type 1 sources: Existing databases chemicals being evaluated, EPA may 3. Dibutyl phthalate (DBP) (1,2- (and dashboards) that allow the user to use alternative means or new approach Benzenedicarboxylic acid, 1,2-dibutyl sift through information using a methods (NAMs) to obtain relevant data. ester), CAS RN 84–74–2, Docket graphical user-interface, a direct query These NAMs can reduce vertebrate number: EPA–HQ–OPPT–2018–0503. such as Structured Query Language testing, consistent with TSCA section This phthalate ester was listed in the (SQL), or webservice Application 4(h)(1)(A). EPA intends to use this 2014 Work Plan Chemicals with a Programming Interface (APIs). EPA’s approach to the extent practicable and hazard score of 3; an exposure score of National Center for Computational scientifically justified. 3; and a persistence and Toxicology’s Chemistry Dashboard To identify chemical substances, EPA bioaccumulation score of 1. Data (Chemistry Dashboard) (https:// considered information such as the 2016 regarding the use of this chemical was comptox.epa.gov/dashboard) is one of CDR reported uses and products as a reported to EPA in 2016. EPA also the several examples of a Type 1 source. surrogate for complexity of information receives information annually on this 2. Type 2 sources: Additional details to inform prioritization and risk chemical through the Toxics Release from existing information from public evaluation. EPA considered the release Inventory. Information is available from and non-public (i.e., confidential and use information for these chemicals assessments by another federal agency business information) sources that are and screened them according to the and by other countries. maintained by competent authorities— types of industrial uses and types of 4. 1,1-Dichloroethane, CAS RN 75– this includes supporting information products where the chemicals were 34–3, Docket number: EPA–HQ–OPPT– from other EPA program offices, state used, as reported in the 2016 CDR. EPA 2018–0426. This chlorinated solvent and federal agencies including considers a chemical with fewer unique was listed in the 2014 Work Plan assessments or evaluations from various uses as a lower work load and a Chemicals with a hazard score of 2; an U.S. and international organizations chemical with multiple uses reported as exposure score of 3; and a persistence (e.g., including but not limited to EPA’s a higher work load. and bioaccumulation score of 2. Data Integrated Risk Information System EPA intends to update and refine its regarding the use of this chemical was (IRIS) Assessments, EPA’s Office of initial review based on data sources reported to EPA in 2016. EPA also Water, EPA’s Office of Air and identified by the public during the receives information on this chemical Radiation, EPA’s High Production comment period (see EPA’s request for through the Toxics Release Inventory. Volume Challenge Program, data in Unit V.) and, where permitted by Information is available from International Agency for Research on TSCA section 14 and subject to EPA assessments by another federal agency.

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5. 1,2-Dichloroethane, CAS RN 107– reported to EPA in 2016. Information is problem formulation for TBBPA in 06–2, Docket number: EPA–HQ–OPPT– available from assessments by other 2015. Information is available from 2018–0427. This chlorinated solvent countries. assessment by another country. was listed in the 2014 Work Plan 10. Ethylene dibromide (Ethane, 1,2- 14. o-Dichlorobenzene (Benzene, 1,2- Chemicals with a hazard score of 3; an dibromo-), CAS RN 106–93–4, Docket dichloro-), CAS RN 95–50–1, Docket exposure score of 3; and a persistence number: EPA–HQ–OPPT–2018–0488. number: EPA–HQ–OPPT–2018–0444. and bioaccumulation score of 2. Data This chemical was listed in the 2014 This chlorinated solvent was listed in regarding the use of this chemical was Work Plan Chemicals with a hazard the 2014 Work Plan Chemicals with a reported to EPA in 2016. EPA also score of 3; an exposure score of 2; and hazard score of 2; an exposure score of receives information annually on this a persistence and bioaccumulation score 3; and a persistence and chemical through the Toxics Release of 2. Data regarding the use of this bioaccumulation score of 2. Data Inventory. Information is available from chemical was reported to EPA in 2016. regarding the use of this chemical was assessments conducted by another EPA also receives information annually reported to EPA in 2016. EPA also federal agency and another country. on this chemical through the Toxics receives information on this chemical 6. 1,2-Dichloropropane, CAS RN 78– Release Inventory. EPA released a through the Toxics Release Inventory. 87–5, Docket number: EPA–HQ–OPPT– screening-level hazard characterization EPA completed a screening-level hazard 2018–0428. This chlorinated solvent in 2009. In addition, information is characterization of this chemical in was listed in the 2014 Work Plan available from assessments by another 2009. Information is available from Chemicals with a hazard score of 2; an federal agency. assessments by another federal agency exposure score of 3; and a persistence 11. Formaldehyde, CAS RN 50–00–0, and other countries. and bioaccumulation score of 2. Data Docket number: EPA–HQ–OPPT–2018– 15. p-Dichlorobenzene (Benzene, 1,4- regarding the use of this chemical was 0438. This chemical was listed in the dichloro-), CAS RN 106–46–7, Docket reported to EPA in 2016. EPA also 2014 Work Plan Chemicals with a number: EPA–HQ–OPPT–2018–0446. receives information annually on this hazard score of 3; an exposure score of This chlorinated solvent was listed in chemical through the Toxics Release 3; and a persistence and the 2014 Work Plan Chemicals with a Inventory. This chemical is also subject bioaccumulation score of 1. Data hazard score of 3; an exposure score of to other EPA regulations. In addition, regarding the use of this chemical was 3; and a persistence and information is available from reported to EPA in 2016. EPA also bioaccumulation score of 2. Data assessments by another federal agency. receives information on this chemical regarding the use of this chemical was 7. Dicyclohexyl phthalate (1,2- annually through the Toxics Release reported to EPA in 2016. EPA also Benzenedicarboxylic acid, 1,2- Inventory. EPA published the receives information annually on this dicyclohexyl ester), CAS RN 84–61–7, Formaldehyde Emission Standards for chemical through the Toxics Release Docket number: EPA–HQ–OPPT–2018– Composite Wood Products final rule in Inventory. EPA identified information 0504. This phthalate ester was listed in 2016. Information is available from available from assessments by another the 2014 Work Plan Chemicals with a assessments by another federal agency federal agency and other countries. hazard score of 3 (based solely on and other countries. 16. Phosphoric acid, triphenyl ester environmental toxicity); an exposure 12. 1,3,4,6,7,8-Hexahydro-4,6,6,7,8,8- (TPP), CAS RN 115–86–6, Docket score of 3; and a persistence and hexamethylcyclopenta [g]-2-benzopyran number: EPA–HQ–OPPT–2018–0458. bioaccumulation score of 1. Data (HHCB), CAS RN 1222–05–5, Docket This halogenated flame retardant was regarding the use of this chemical was number: EPA–HQ–OPPT–2018–0430. listed in the 2014 Work Plan Chemicals reported to EPA in 2016. Information is This chemical was listed in the 2014 with a hazard score of 3 (based solely available from assessment by another Work Plan Chemicals with a hazard on environmental toxicity); an exposure country. score of 2; an exposure score of 3; and score of 3; and a persistence and 8. Di-ethylhexyl phthalate (DEHP) a persistence and bioaccumulation score bioaccumulation score of 2. Data (1,2-Benzenedicarboxylic acid, 1,2- of 2. Data regarding the use of this regarding the use of this chemical was bis(2-ethylhexyl) ester), CAS RN 117– chemical was reported to EPA in 2016. reported to EPA in 2016. 81–7, Docket number: EPA–HQ–OPPT– This chemical is also subject to other 17. Phthalic anhydride (1,3- 2018–0433. This phthalate ester was EPA regulations. EPA completed a risk Isobenzofurandione), CAS RN 85–44–9, listed in the 2014 Work Plan Chemicals assessment of the ecological risks from Docket number: EPA–HQ–OPPT–2018– with a hazard score of 3; an exposure HHCB as fragrance ingredient in 0459. This chemical was listed in the score of 3; and a persistence and commercial and consumer products in 2014 Work Plan Chemicals with a bioaccumulation score of 1. Data 2014. EPA released a screening-level hazard score of 3; an exposure score of regarding the use of this chemical was hazard characterization in 2008. In 3; and a persistence and reported to EPA in 2016. EPA also addition, information is available from bioaccumulation score of 1. Data receives information annually on this assessment by another country. regarding the use of this chemical was chemical through the Toxics Release 13. 4,4′-(1-Methylethylidene)bis[2, 6- reported to EPA in 2016. EPA also Inventory. Information is available from dibromophenol] (TBBPA), CAS RN 79– received receives information on this assessments by another federal agency 94–7, Docket number: EPA–HQ–OPPT– chemical annually through the Toxics and by other countries. 2018–0462. This halogenated flame Release Inventory. 9. Di-isobutyl phthalate (DIBP) (1,2- retardant was listed in the 2014 Work 18. trans-1,2- Dichloroethylene Benzenedicarboxylic acid, 1,2-bis(2- Plan Chemicals with a hazard score of (Ethene, 1,2-dichloro-, (1E)-), CAS RN methylpropyl) ester), CAS RN 84–69–5, 2 (based solely on environmental 156–60–5, Docket number: EPA–HQ– Docket number: EPA–HQ–OPPT–2018– toxicity); an exposure score of 3; and a OPPT–2018–0465. This chlorinated 0434. This phthalate ester was listed in persistence and bioaccumulation score solvent was listed in the 2014 Work the 2014 Work Plan Chemicals with a of 2. Data regarding the use of this Plan Chemicals with a hazard score of hazard score of 1; an exposure score of chemical was reported to EPA in 2016. 2; an exposure score of 3; and a 2; and a persistence and EPA also receives information annually persistence and bioaccumulation score bioaccumulation score of 1. Data on this chemical through the Toxics of 2. Data regarding the use of this regarding the use of this chemical was Release Inventory. EPA released a chemical was reported to EPA in 2016.

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EPA completed a screening-level hazard EPA first narrowed the candidate pool chemicals with discrete structures and characterization of this chemical in to chemicals that had been evaluated by selected those with the most available 2015. a government body like the U.S. EPA or data, narrowing the pool to about 75 19. 1,1,2-Trichloroethane, CAS RN an OECD member nation. EPA’s Safer chemicals with low-hazard status 79–00–5, Docket number: EPA–HQ– Chemicals Ingredients List (SCIL) and among an internationally accepted set of OPPT–2018–0421. This chlorinated Chemical Assessment Management endpoints. EPA applied a final screen solvent was listed in the 2014 Work Program (ChAMP), as well as the OECD by conducting a literature search to Plan Chemicals with a hazard score of Screening Information Data Sets, served update and verify candidate information 3; an exposure score of 2; and a as sources of government-evaluated for reliability, completeness and persistence and bioaccumulation score chemicals. The SCIL (https:// consistency. With a set of high-quality of 2. Data regarding the use of this www.epa.gov/saferchoice/safer- data relevant to a potential designation chemical was reported to EPA in 2016. ingredients) is a continuously updated as a Low Priority Substance, EPA EPA also receives information annually list of chemicals that meet low-concern reduced the candidate pool to the 20 on this chemical through the Toxics Safer Choice criteria (https:// chemical substances being initiated Release Inventory. Information is www.epa.gov/saferchoice/standard) for today. EPA will make transparent available from assessments by another both human health and ecological literature search documentation federal agency. endpoints. Based on assessments used available at the proposal phase for the 20. Tris(2-chloroethyl) phosphate to support their listing on the SCIL, EPA 20 Low Priority Substance candidates. (TCEP) (Ethanol, 2-chloro-, 1,1′,1″- has found these chemicals to be EPA intends to update and refine its phosphate), CAS RN 115–96–8, Docket relatively rich in data on hazard. Under initial review based on data sources number: EPA–HQ–OPPT–2018–0476. ChAMP, EPA scientists performed identified by the public during the This halogenated flame retardant was interim evaluations of hazard, use, and comment period (see EPA’s request for listed in the 2014 Work Plan Chemicals exposure of high- and medium- data in Unit V.) and, where permitted by with a hazard score of 2; an exposure production volume chemicals. These TSCA section 14 and subject to EPA score of 2; and a persistence and screening-level risk characterizations confidentiality regulations at 40 CFR bioaccumulation score of 2. Data were interim evaluations that part 2, subpart B, intends to make this regarding the use of this chemical was constituted neither a final Agency information publicly available for the 20 reported to EPA in 2016. EPA released determination on risk nor a initiated chemicals at proposal. This a problem formulation for TCEP in determination as to whether sufficient unit contains information on the data 2015. Information is available from data were available to characterize risk. sources EPA is using to obtain assessment by another country. Screening Information Dataset (SIDS) reasonably available information for evaluating candidate Low Priority IV. Low Priority Candidate Chemical Initial Assessment Reports (SIARs) (https://hpvchemicals.oecd.org/ui/Def Substances consistent with TSCA Substances for Which EPA Is Initiating section 6(b)(1)(B) and implementing Prioritization ault.aspx), prepared by OECD member nations, represent a systematic regulations. EPA encourages submission A. Candidates for Which EPA Is investigation of the potential risks to of additional information relevant to Initiating Prioritization for Designation human health and the environment, and Low Priority Substance designation that as Low Priority Substances for Risk are most often associated with high- stakeholders believe may not be found Evaluation production-volume (HPV) chemicals. in the sources listed. a. Data sources. EPA intends to search SIARs include a base set of hazard 1. EPA’s working approach to for and review literature from primary information, known as the SIDS selecting candidates for designation as literature databases and gray literature elements, for each chemical substance Low Priority Substances for risk and additional search strategies. evaluation is outlined in the document, and incorporate available information b. NAMs and Analogous chemical A Working Approach for Identifying on use patterns and exposure to put data. In the absence of measured data Potential Candidate Chemicals for hazard(s) into context (http:// on chemicals being evaluated, EPA may Prioritization, released to the public on www.oecd.org/chemicalsafety/risk- use alternative means or new approach September 27, 2018 (https:// assessment/1947541.pdf). Through methods (NAMs) to obtain relevant data. www.epa.gov/sites/production/files/ public meetings and comments, EPA These NAMs can reduce vertebrate 2018-09/documents/preprioritization_ stakeholders indicated support for use testing, consistent with TSCA section white_paper_9272018.pdf ).As of SCIL, ChAMP evaluations on 4(h)(1)(A). EPA intends to use this elaborated in this unit, EPA has taken chemicals of low concern, and relevant approach to the extent practicable and steps to implement the approach SIDS assessments as a starting point for scientifically justified. outlined in the working approach identifying Low Priority Substance EPA will consider closely related, document. candidates. analogous chemicals, or analogs, and Starting with over 30,000 chemicals 2. As a next filtering step and to use data from these chemicals to from the April 2018 interim update of increase confidence in the information demonstrate the suitability of a the TSCA active inventory, EPA applied on hazard, conditions of use and chemical for proposal as a Low Priority a series of filtering steps to identify exposure, EPA filtered the pool of Substance where appropriate. The use potential Low Priority Substance approximately 1,600 chemicals to of appropriate analogs in chemical candidates. EPA’s goal was to select approximately 200 substances having assessment is a scientifically valid, chemicals that are among the best-suited discretely defined structures. Data on widely adopted practice. Governments for possible Low Priority Substance chemicals with discrete structures, as worldwide use analogs to fill data gaps designation. EPA identified potential opposed to those with variable in both regulatory and prioritization Low Priority Substance candidates structures, are more reliable and easily contexts. Examples can be found in the based on low-hazard, across a range of compared because of the certainty a OECD screening information dataset endpoints, as the initial criterion since definitive molecular structure provides (SIDS), the EU Registration, Evaluation, EPA knew the data on hazard would be in assessing hazard, conditions of use, Authorisation and Restriction of the most readily available. and exposure. EPA further filtered the Chemicals (REACH), the Canadian

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Chemicals Management Plan (CMP), as a candidate for potential designation as a low priority substance. While EPA and the Australian National Industrial as a low priority substance. will present an independent review if Chemicals Notification and Assessment 3. D-Gluconic acid (CAS RN 526–95– this chemical is proposed as a Low Scheme (NICNAS). 4), Docket ID number: EPA–HQ–OPPT– Priority Substance, EPA notes that this Suitable analogs will be chosen based 2019–0108. EPA has selected d-gluconic chemical has been evaluated and on chemical biological similarities (e.g., acid for initiation as a candidate for determined to be ‘‘low priority for chemical structure, metabolic potential designation as a low priority further work’’ for human health and the breakdown or likely mechanistic/mode substance because it has a environment in the OECD SIDS Initial of action considerations). Information comprehensive data set demonstrating Assessment Report (April 2004). on the value of analogs and guidance for lower hazard, based on an 6. D-Gluconic acid, potassium salt identifying suitable analogs can be internationally accepted set of low- (1:1) (CAS RN 299–27–4), Docket ID found in OECD Series on Testing and concern thresholds for a broad range of number: EPA–HQ–OPPT–2019–0111. Assessment No. 194 Guidance on endpoints, and in view of its known, EPA has selected d-gluconic acid, Grouping of Chemicals, Second Edition intended and reasonably foreseen uses. potassium salt (1:1) for initiation as a (2014). EPA will use expert judgment to Given the low-hazard profile, EPA does candidate for potential designation as a determine if the analog or model used not expect estimated exposures to alter low priority substance because it has a is appropriate for the attribute being the assessment supporting its initiation comprehensive data set demonstrating evaluated. EPA will consider each case as a candidate for potential designation lower hazard, based on an separately, make the analog we have as a low priority substance. While EPA internationally accepted set of low- selected and the data we are using from will present an independent review if concern thresholds for a broad range of it transparent, and accept public this chemical is proposed as a Low endpoints, and in view of its known, comment on alternative approaches. Priority Substance, EPA notes that this intended and reasonably foreseen uses. EPA will also consider modeled data chemical has been evaluated and Given the low-hazard profile, EPA does from sources such as ECOSAR, determined to be ‘‘low priority for not expect estimated exposures to alter Oncologic, EPI Suite, and other models further work’’ for human health and the the assessment supporting its initiation when determined to be within the environment in the OECD SIDS Initial as a candidate for potential designation Assessment Report (April 2004). as a low priority substance. While EPA domain of applicability or supported by 4. D-Gluconic acid, calcium salt (2:1) will present an independent review if analog data. (CAS RN 299–28–5), Docket ID number: this chemical is proposed as a Low B. Chemicals Initiated EPA–HQ–OPPT–2019–0109. EPA has Priority Substance, EPA notes that this selected d-gluconic acid, calcium salt chemical has been evaluated and EPA is initiating the prioritization (2:1) for initiation as a candidate for determined to be ‘‘low priority for process for the following twenty potential designation as a low priority further work’’ for human health and the chemicals as candidates for designation substance because it has a environment in the OECD SIDS Initial as Low Priority Substance candidates. comprehensive data set demonstrating Assessment Report (April 2004). 1. 1-Butanol, 3-methoxy-, 1-acetate lower hazard, based on an 7. D-Gluconic acid, sodium salt (1:1) (CAS RN 4435–53–4), Docket ID internationally accepted set of low- (CAS RN 527–07–1), Docket ID number: number: EPA–HQ–OPPT–2019–0106. concern thresholds for a broad range of EPA–HQ–OPPT–2019–0112. EPA has EPA has selected 1-butanol, 3- endpoints, and in view of its known, selected d-gluconic acid, sodium salt methoxy-, 1-acetate for initiation as a intended and reasonably foreseen uses. (1:1) for initiation as a candidate for candidate for potential designation as a Given the low-hazard profile, EPA does potential designation as a low priority low priority substance because it has a not expect estimated exposures to alter substance because it has a comprehensive data set demonstrating the assessment supporting its initiation comprehensive data set demonstrating lower hazard, based on an as a candidate for potential designation lower hazard, based on an internationally accepted set of low- as a low priority substance. While EPA internationally accepted set of low- concern thresholds for a broad range of will present an independent review if concern thresholds for a broad range of endpoints, and in view of its known, this chemical is proposed as a Low endpoints, and in view of its known, intended and reasonably foreseen uses. Priority Substance, EPA notes that this intended and reasonably foreseen uses. Given the low-hazard profile, EPA does chemical has been evaluated and Given the low-hazard profile, EPA does not expect estimated exposures to alter determined to be ‘‘low priority for not expect estimated exposures to alter the assessment supporting its initiation further work’’ for human health and the the assessment supporting its initiation as a candidate for potential designation environment in the OECD SIDS Initial as a candidate for potential designation as a low priority substance. Assessment Report (April 2004). as a low priority substance. While EPA 2. D-gluco-Heptonic acid, sodium salt 5. D-Gluconic acid, .delta.-lactone will present an independent review if (1:1), (2.xi.)- (CAS RN 31138–65–5), (CAS RN 90–80–2), Docket ID number: this chemical is proposed as a Low Docket ID number: EPA–HQ–OPPT– EPA–HQ–OPPT–2019–0110. EPA has Priority Substance, EPA notes that this 2019–0107. EPA has selected d-gluco- selected d-gluconic acid, .delta.-lactone chemical has been evaluated and heptonic acid, sodium salt (1:1), (2.xi.)- for initiation as a candidate for potential determined to be ‘‘low priority for for initiation as a candidate for potential designation as a low-priority substance further work’’ for human health and the designation as a low priority substance because it has a comprehensive data set environment in the OECD SIDS Initial because it has a comprehensive data set demonstrating lower hazard, based on Assessment Report (April 2004). demonstrating lower hazard, based on an internationally accepted set of low- 8. Decanedioic acid, 1,10-dibutyl ester an internationally accepted set of low- concern thresholds for a broad range of (CAS RN 109–43–3), Docket ID number: concern thresholds for a broad range of endpoints, and in view of its known, EPA–HQ–OPPT–2019–0113. EPA has endpoints, and in view of its known, intended and reasonably foreseen uses. selected decanedioic acid, 1,10-dibutyl intended and reasonably foreseen uses. Given the low-hazard profile, EPA does ester for initiation as a candidate for Given the low-hazard profile, EPA does not expect estimated exposures to alter potential designation as a low priority not expect estimated exposures to alter the assessment supporting its initiation substance because it has a the assessment supporting its initiation as a candidate for potential designation comprehensive data set demonstrating

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lower hazard, based on an priority substance because it has a internationally accepted set of low- internationally accepted set of concern comprehensive data set demonstrating concern thresholds for a broad range of thresholds for a broad range of lower hazard, based on an endpoints, and in view of its known, endpoints, and in view of its known, internationally accepted set of low- intended and reasonably foreseen uses. intended and reasonably foreseen uses. concern thresholds for a broad range of Given the low-hazard profile, EPA does Given the low-hazard profile, EPA does endpoints, and in view of its known, not expect estimated exposures to alter not expect estimated exposures to alter intended and reasonably foreseen uses. the assessment supporting its initiation the assessment supporting its initiation Given the low-hazard profile, EPA does as a candidate for potential designation as a candidate for potential designation not expect estimated exposures to alter as a low priority substance. While EPA as a low priority substance. the assessment supporting its initiation will present an independent review if 9. 1-Docosanol (CAS RN 661–19–8), as a candidate for potential designation this chemical is proposed as a Low Docket ID number: EPA–HQ–OPPT– as a low priority substance. Priority Substance, EPA notes that this 2019–0114. EPA has selected 1- 12. 1-Octadecanol (CAS RN 112–92– chemical has been evaluated and docosanol for initiation as a candidate 5), Docket ID number: EPA–HQ–OPPT– determined to be ‘‘low priority for for potential designation as a low- 2019–0117. EPA has selected 1- further work’’ for human health and the priority substance because it has a octadecanol for initiation as a candidate environment in the OECD SIDS Initial comprehensive data set demonstrating for potential designation as a low Assessment Report (April 2005). lower hazard, based on an priority substance because it has a 15. Propanedioic acid, 1,3-dimethyl internationally accepted set of low- comprehensive data set demonstrating ester (CAS RN 108–59–8), Docket ID concern thresholds for a broad range of lower hazard, based on an number: EPA–HQ–OPPT–2019–0120. endpoints, and in view of its known, internationally accepted set of low- EPA has selected propanedioic acid, intended and reasonably foreseen uses. concern thresholds for a broad range of 1,3-dimethyl ester for initiation as a Given the low-hazard profile, EPA does endpoints, and in view of its known, candidate for potential designation as a not expect estimated exposures to alter intended and reasonably foreseen uses. low priority substance because it has a the assessment supporting its initiation Given the low-hazard profile, EPA does comprehensive data set demonstrating as a candidate for potential designation not expect estimated exposures to alter lower hazard, based on an as a low priority substance. While EPA the assessment supporting its initiation internationally accepted set of low- will present an independent review if as a candidate for potential designation concern thresholds for a broad range of this chemical is proposed as a Low as a low priority substance. While an endpoints, and in view of its known, Priority Substance, EPA notes that this OECD SIDS Initial Assessment Report intended and reasonably foreseen uses. chemical has been evaluated and (August 2002) indicated a need to Given the low-hazard profile, EPA does determined to be ‘‘low priority for examine anaerobic biodegradability and not expect estimated exposures to alter further work’’ for human health and the potential long-term fish toxicity, the the assessment supporting its initiation environment in the OECD SIDS Initial follow-on SIDS Initial Assessment as a candidate for potential designation Assessment Report (April 2006). 1- Report (April 2006) concludes, based on as a low priority substance. While EPA docosanol was also evaluated by EPA’s new information, that fatty acids with will present an independent review if ChAMP program. chain lengths greater than 16, like 1- this chemical is proposed as a Low 10. 1-Eicosanol (CAS RN 629–96–9), octadecanol, have low solubility (and Priority Substance, EPA notes that this Docket ID number: EPA–HQ–OPPT– hence low bioavailability), limiting 2019–0115. EPA has selected 1- potential chronic toxicity as well as chemical has been evaluated and eicosanol for initiation as a candidate limiting the need for further research. determined to be ‘‘low priority for for potential designation as a low 13. Propanol, [2-(2- further work’’ for human health and the priority substance because it has a butoxymethylethoxy)methylethoxy]- environment in the OECD SIDS Initial comprehensive data set demonstrating (CAS RN 55934–93–5), Docket ID Assessment Report (April 2005). lower hazard, based on an number: EPA–HQ–OPPT–2019–0118. 16. Propanol, 1(or 2)-(2- internationally accepted set of low- EPA has selected propanol, [2-(2- methoxymethylethoxy)-, acetate (CAS concern thresholds for a broad range of butoxymethylethoxy)methylethoxy]- for RN 88917–22–0), Docket ID number: endpoints, and in view of its known, initiation as a candidate for potential EPA–HQ–OPPT–2019–0121. EPA has intended and reasonably foreseen uses. designation as a low priority substance selected propanol, 1(or 2)-(2- Given the low-hazard profile, EPA does because it has a comprehensive data set methoxymethylethoxy)-, acetate for not expect estimated exposures to alter demonstrating lower hazard, based on initiation as a candidate for potential the assessment supporting its initiation an internationally accepted set of low- designation as a low priority substance as a candidate for potential designation concern thresholds for a broad range of because it has a comprehensive data set as a low priority substance. While EPA endpoints, and in view of its known, demonstrating lower hazard, based on will present an independent review if intended and reasonably foreseen uses. an internationally accepted set of low- this chemical is proposed as a Low Given the low-hazard profile, EPA does concern thresholds for a broad range of Priority Substance, EPA notes that this not expect estimated exposures to alter endpoints, and in view of its known, chemical has been evaluated and the assessment supporting its initiation intended and reasonably foreseen uses. determined to be ‘‘low priority for as a candidate for potential designation Given the low-hazard profile, EPA does further work’’ for human health and the as a low priority substance. not expect estimated exposures to alter environment in the OECD SIDS Initial 14. Propanedioic acid, 1,3-diethyl the assessment supporting its initiation Assessment Report (April 2006). 1- ester (CAS RN 105–53–3), Docket ID as a candidate for potential designation eicosanol was also evaluated by EPA’s number: EPA–HQ–OPPT–2019–0119. as a low priority substance. While EPA ChAMP program. EPA has selected propanedioic acid, will present an independent review if 11. 1,2-Hexanediol (CAS RN 6920–22– 1,3-diethyl ester for initiation as a this chemical is proposed as a Low 5), Docket ID number: EPA–HQ–OPPT– candidate for potential designation as a Priority Substance, EPA notes that this 2019–0116. EPA has selected 1,2- low priority substance because it has a chemical has been evaluated and hexanediol for initiation as a candidate comprehensive data set demonstrating determined to be ‘‘low priority for for potential designation as a low lower hazard, based on an further work’’ for human health and the

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environment in the OECD SIDS Initial as a low priority substance. While EPA If the information is publicly Assessment Report (November 2003). will present an independent review if available, citations are sufficient 17. Propanol, [(1-methyl-1,2- this chemical is proposed as a Low (including, but not limited to: Title, ethanediyl)bis(oxy)]bis- (CAS RN Priority Substance, EPA notes that this author, date of publication, publication 24800–44–0), Docket ID number: EPA– chemical has been evaluated and source), and the submission does not HQ–OPPT–2019–0122. EPA has selected determined to be ‘‘low priority for need to include copies of the propanol, [(1-methyl-1,2- further work’’ in the OECD SIDS Initial information. ethanediyl)bis(oxy)]bis- for initiation as Assessment Report (January 2001). A person seeking to protect from a candidate for potential designation as 20. Tetracosane, 2,6,10,15,19,23- disclosure as ‘‘confidential business a low priority substance because it has hexamethyl- (CAS RN 111–01–3), information’’ any information that a comprehensive data set demonstrating Docket ID number: EPA–HQ–OPPT– person submits under TSCA must assert lower hazard, based on an 2019–0125. EPA has selected and substantiate a claim for protection internationally accepted set of low- tetracosane, 2,6,10,15,19,23- from disclosure concurrent with concern thresholds for a broad range of hexamethyl- for initiation as a candidate submission of the information in endpoints and in view of its known, for potential designation as a low accordance with the requirements of intended and reasonably foreseen uses. priority substance because it has a TSCA section 14. While EPA may Given the low-hazard profile, EPA does comprehensive data set demonstrating consider confidential business not expect estimated exposures to alter lower hazard, based on an information when conducting its review the assessment supporting its initiation internationally accepted set of low- under 40 CFR 702.9(a), the Agency as a candidate for potential designation concern thresholds for a broad range of encourages submitters to minimize as a low priority substance. While EPA endpoints and in view of its known, claims for protection from disclosure will present an independent review if intended and reasonably foreseen uses. wherever possible to maximize this chemical is proposed as a Low Given the low-hazard profile, EPA does transparency in EPA’s screening review. Priority Substance, EPA notes that this not expect estimated exposures to alter More information on asserting and chemical has been evaluated and the assessment supporting its initiation substantiating confidential business determined to be ‘‘low potential risk as a candidate for potential designation information claims under TSCA can be and low priority for further work’’ in the as a low priority substance. found at https://www.epa.gov/tsca-cbi. OECD SIDS Initial Assessment Report (July 1994). V. Relevant Information Authority: 15 U.S.C. 2601 et seq. ′ 18. 2-Propanol, 1,1 -oxybis- (CAS RN Through this initiation of Dated: March 18, 2019. 110–98–5), Docket ID number: EPA–HQ– prioritization for a chemical substance, Andrew R. Wheeler, OPPT–2019–0123. EPA has selected 2- Administrator. ′ EPA is providing a 90-day comment propanol, 1,1 -oxybis- for initiation as a period as required by the statute (TSCA [FR Doc. 2019–05404 Filed 3–20–19; 8:45 am] candidate for potential designation as a section 6(b)(1)(C)(i)) and implementing BILLING CODE 6560–50–P low priority substance because it has a regulations (40 CFR 702.7(d)), and comprehensive data set demonstrating requests that interested persons lower hazard, based on an voluntarily submit relevant information. ENVIRONMENTAL PROTECTION internationally accepted set of low- Relevant information might include, but AGENCY concern thresholds for a broad range of is not limited to, information that may endpoints and in view of its known, [EPA–HQ–OAR–2003–0085; FRL–9988–74– inform the screening review conducted intended and reasonably foreseen uses. OEI] pursuant to 40 CFR 702.9(a) and Given the low-hazard profile, EPA does consistent with the scientific standard Information Collection Request not expect estimated exposures to alter of TSCA section 26(h), as follows: Submitted to OMB for Review and the assessment supporting its initiation • Approval; Comment Request; NESHAP as a candidate for potential designation The chemical substance’s hazard and exposure potential; for Radionuclides (Renewal) as a low priority substance. While EPA • will present an independent review if The chemical substance’s AGENCY: Environmental Protection this chemical is proposed as a Low persistence and bioaccumulation; Agency (EPA). • Potentially exposed or susceptible Priority Substance, EPA notes that this ACTION: Notice. chemical has been evaluated and subpopulations which the submitter determined to be ‘‘low priority for believes are relevant to the SUMMARY: The Environmental Protection further work’’ in the OECD SIDS Initial prioritization; Agency (EPA) has submitted an • Assessment Report (January 2001). Whether there is any storage of the information collection request (ICR), 19. Propanol, oxybis- (CAS RN 25265– chemical substance near significant NESHAP for Radionuclides (EPA ICR 71–8), Docket ID number: EPA–HQ– sources of drinking water, including the Number 1100.16, OMB Control Number OPPT–2019–0124. EPA has selected storage facility location and the nearby 2060–0191) to the Office of Management propanol, oxybis- for initiation as a drinking water source(s); and Budget (OMB) for review and candidate for potential designation as a • The chemical substance’s approval in accordance with the low priority substance because it has a conditions of use or significant changes Paperwork Reduction Act. This is a comprehensive data set demonstrating in conditions of use, including proposed extension of the ICR, which is lower hazard, based on an information regarding trade names; currently approved through March 31, internationally accepted set of low- • The chemical substance’s 2019. Public comments were previously concern thresholds for a broad range of production volume or significant requested via the Federal Register on endpoints and in view of its known, changes in production volume; and September 6, 2018 during a 60-day intended and reasonably foreseen uses. • Any other information relevant to comment period. This notice allows for Given the low-hazard profile, EPA does the potential risks of the chemical an additional 30 days for public not expect estimated exposures to alter substance that might be relevant to the comments. A fuller description of the the assessment supporting its initiation designation of the chemical substance’s ICR is given below, including its as a candidate for potential designation priority for risk evaluation. estimated burden and cost to the public.

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