It has been a busy summer for TSCA activities at EPA. The latest TSCA regulatory actions, including finalized rules, active proposed rules, and formal notices open for public docket submission, are listed below with their specific names and Federal Register citations:

Finalized & Active TSCA Rules
  • Significant New Use Rules on Certain Chemical Substances (Batch 26-1)
    • Citation: 91 FR 35156 (Proposed Rule, June 10, 2026) [1.31].
    • Summary: Proposes notification requirements for specific premanufacture notice (PMN) substances subject to TSCA section 5 compliance orders. 

  • Significant New Use Rules on Certain Chemical Substances (Batch 25-2.5e)
    • Citation: 91 FR 31024 (Final Rule, May 29, 2026).
    • Summary: Mandates 90-day advance notification to the EPA for anyone intending to manufacture or process these specific PMN substances. 

  • Significant New Use Rules on Certain Chemical Substances (Batch 25-1.5e)
    • Citation: 91 FR 29412 (Final Rule, May 22, 2026).
    • Summary: Imposes new use restrictions and requires Significant New Use Notices (SNUNs) before industrial application. 

  • Reporting Deadline Extension for the Health and Safety Data Reporting Rule Under TSCA
    • Citation: 91 FR 28240 (Final Rule, May 22, 2026).
    • Summary: Extends the health and safety data reporting window for targeted TSCA chemicals by one year to May 21, 2027. 

  • Significant New Use Rules on Certain Chemical Substances (Batch 26-2)
    • Citation: 91 FR 17942 (Proposed Rule, April 24, 2026).
    • Summary: Establishes strict cutoff limits for ongoing uses of industrial intermediates. 

Active TSCA Information Requests & Review Dockets
  • Request for Information to Develop a TSCA Regulation for Legacy Uses and Associated Disposals of Asbestos (Asbestos Part 2)
    • Docket ID: EPA-HQ-OPPT-2024-0244 (Notice of Data Availability, June 23, 2026).
    • Summary: Soliciting occupational and structural demolition exposure data to craft a durable Section 6 safety rule for non-chrysotile asbestos types. [1, 2]

  • SACC Peer Review of Draft Technical Support Documents for Five Chemicals Under TSCA Review
    • Docket ID: EPA-HQ-OPPT-2026-2246 (Notice of Public Meeting, June 17, 2026).
    • Summary: Opens peer-review documents to public comment for TBBPA, 1,2-dichloropropane, 1,1,2-trichloroethane, ethylene dibromide, and trans-1,2-dichloroethylene. 

Imminent Agenda Actions Slated for Publication
  • Multiple Compliance Date Extensions for Regulation Under TSCA Section 6(a)
    • Agenda Reference: RIN 2070-AL64 (Notice of Proposed Rulemaking, Expected July 2026).
    • Summary: Proposes delaying specific enforcement deadlines for Methylene Chloride, TCE, PCE, and CTC to minimize critical supply chain gaps. [1]

  • Perchloroethylene (PCE); Amendments to Regulation Under TSCA
    • Agenda Reference: RIN 2070-AL70 (Notice of Proposed Rulemaking, Expected Summer/Fall 2026).
    • Summary: Modifies specific occupational and workplace chemical exposure risk-management limits established in the original 2024 final rule. [1]

  • TSCA Risk Management Rules and Critical Uses for Federal Agencies
    • Agenda Reference: RIN 2070-AL85 (Notice of Proposed Rulemaking, Expected Fall 2026).
    • Summary: Establishes a time-limited regulatory framework allowing federal agencies and defense contractors to continue using restricted solvents to avoid infrastructure disruptions.