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EPA/OCSPP RIN: 2070-AK70 Publication ID: Spring 2023 
Title: Methylene Chloride; Rulemaking Under the Toxic Substances Control Act (TSCA) 

EPA proposed to address the unreasonable risk of injury to human health presented by methylene chloride under its conditions of use as documented in EPA’s June 2020 risk evaluation and November 2022 revised risk determination for methylene chloride prepared under the Toxic Substances Control Act (TSCA). EPA's risk evaluation, describing the conditions of use is in docket EPA-HQ-OPPT-2019-0437, with the 2022 unreasonable risk determination and additional materials in docket EPA-HQ-OPPT-2016-0742. To address the identified unreasonable risk, EPA is proposing to: prohibit the manufacture, processing, and distribution in commerce of methylene chloride for consumer use; prohibit most industrial and commercial uses of methylene chloride; require a workplace chemical protection program, which would include a requirement to meet inhalation exposure concentration limits and exposure monitoring for certain continued conditions of use of methylene chloride; require recordkeeping and downstream notification requirements for several conditions of use of methylene chloride; and provide certain time-limited exemptions from requirements for uses of methylene chloride that would otherwise significantly disrupt national security and critical infrastructure.

Agency: Environmental Protection Agency(EPA)  Priority: Economically Significant 
RIN Status: Previously published in the Unified Agenda Agenda Stage of Rulemaking: Proposed Rule Stage 
Major: Yes  Unfunded Mandates: Private Sector 
CFR Citation: 40 CFR 751   
Legal Authority: 15 U.S.C. 2605 Toxic Substances Control Act   
Legal Deadline:
Action Source Description Date
Final  Statutory  TSCA section 6(c).  06/24/2022 
NPRM  Statutory  TSCA section 6(c).  06/24/2021 
Action Date FR Cite
NPRM  05/03/2023  88 FR 28284   
NPRM Comment Period End  07/03/2023 
Final Rule  06/00/2024 
Additional Information: EPA-HQ-OPPT-2020-0465.
Regulatory Flexibility Analysis Required: Yes  Government Levels Affected: Federal, State 
Small Entities Affected: Businesses  Federalism: Yes 
Included in the Regulatory Plan: No 
International Impacts: This regulatory action will be likely to have international trade and investment effects, or otherwise be of international interest.
RIN Information URL:  
Sectors Affected: 325 Chemical Manufacturing 
RIN Data Printed in the FR: Yes 
Agency Contact:
Ingrid Feustel
Environmental Protection Agency
Office of Chemical Safety and Pollution Prevention
Mail Code 7404M, 1200 Pennsylvania Avenue NW,
Washington, DC 20460
Phone:202 564-3199

Joel Wolf
Environmental Protection Agency
Office of Chemical Safety and Pollution Prevention
1200 Pennsylvania Avenue NW, Mail Code 7404M,
Washington, DC 20460
Phone:202 564-0432