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EPA/OCSPP RIN: 2070-AK23 Publication ID: Spring 2017 
Title: Procedures for Prioritization of Chemicals for Risk Evaluation Under the Toxic Substances Control Act 

As part of EPA's continuing efforts to implement the Frank R. Lautenberg Chemical Safety for the 21st Century Act, which amended the Toxic Substance Control Act (TSCA) with immediate effect upon its enactment on June 22, 2016, EPA is developing a final rule to implement TSCA section 6(b)(1). TSCA section 6(b)(1), as amended, requires that EPA promulgate a final rule within 1 year of enactment to establish a risk-based screening process, including criteria for designating chemical substances as high-priority substances for risk evaluations or low-priority substances for which risk evaluations are not warranted at the time. As required by TSCA, the process to designate the priority of chemical substances must include a consideration of the hazard and exposure potential of a chemical substance or a category of chemical substances (including consideration of persistence and bioaccumulation, potentially exposed or susceptible subpopulations and storage near significant sources of drinking water), the conditions of use or significant changes in the conditions of use of the chemical substance, and the volume or significant changes in the volume of the chemical substance manufactured or processed.

Agency: Environmental Protection Agency(EPA)  Priority: Other Significant 
RIN Status: Previously published in the Unified Agenda Agenda Stage of Rulemaking: Final Rule Stage 
Major: No  Unfunded Mandates: No 
CFR Citation: 40 CFR 702   
Legal Authority: 15 U.S.C. 2605 Toxic Substances Control Act   
Legal Deadline:
Action Source Description Date
Final  Statutory  Statutory deadline requires signature of the Final Rule by June 22.  06/22/2017 
Action Date FR Cite
NPRM  01/17/2017  82 FR 4825   
NPRM Comment Period End  03/20/2017 
Final Rule  06/00/2017 
Additional Information: Docket #:EPA-HQ-OPPT-2016-0636. A summary of the recent amendments to TSCA is available at
Regulatory Flexibility Analysis Required: No  Government Levels Affected: Federal, State, Tribal 
Small Entities Affected: No  Federalism: No 
Included in the Regulatory Plan: No 
RIN Information URL:   Public Comment URL:  
Sectors Affected: 325 Chemical Manufacturing 
RIN Data Printed in the FR: No 
Agency Contact:
Ryan Schmit
Environmental Protection Agency
Office of Chemical Safety and Pollution Prevention
1200 Pennsylvania Avenue NW, Mail Code 7101M,
Washington, DC 20460
Phone:202 564-0610
Fax:202 566-0471