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EPA/OCSPP RIN: 2070-AL08 Publication ID: Fall 2022 
Title: Certain Solvents; Significant New Use Rule for Certain Non-ongoing Uses 

EPA is developing TSCA section 5(a)(2) significant new use rules (SNURs) on conditions of use identified as not currently ongoing in the final scope documents for the High Priority Substances undergoing TSCA section 6 risk evaluations. EPA is authorized to designate a particular new use (or return of a phased-out use) of a chemical substance as a “significant new use” under TSCA section 5(a)(2) by rule after consideration of relevant factors. These rules would be used to require notice to EPA before chemical substances and mixtures are used in new ways that might create concerns. Persons subject to the SNUR who intend to manufacture (including import) or process the chemical substance for the significant new use must notify EPA at least 90 days prior to initiating activities via a significant new use notice (SNUN).

Agency: Environmental Protection Agency(EPA)  Priority: Substantive, Nonsignificant 
RIN Status: Previously published in the Unified Agenda Agenda Stage of Rulemaking: Proposed Rule Stage 
Major: No  Unfunded Mandates: No 
CFR Citation: 40 CFR 721   
Legal Authority: 15 U.S.C. 2604(a)(2), Toxic Substances Control Act, sec. 5(a)(2)   
Legal Deadline:  None
Action Date FR Cite
NPRM  04/00/2023 
Final Rule  03/00/2024 
Regulatory Flexibility Analysis Required: No  Government Levels Affected: None 
Small Entities Affected: No  Federalism: No 
Included in the Regulatory Plan: No 
RIN Information URL:  
Sectors Affected: 325 Chemical Manufacturing 
RIN Data Printed in the FR: No 
Agency Contact:
Thomas Groeneveld
Environmental Protection Agency
Office of Chemical Safety and Pollution Prevention
1200 Pennsylvania Avenue NW, Mail Code 7404M,
Washington, DC 20460
Phone:202 566-1188