U.S. Environmental Protection Agency (EPA) Issues Interim Final Rule Revising TSCA Compliance Deadlines for Trichloroethylene (TCE)

"On September 17, 2025, the U.S. Environmental Protection Agency (EPA) issued an interim final rule under the Toxic Substances Control Act (TSCA) to amend compliance deadlines related to Trichloroethylene (TCE), following the 2024 regulation. Key revisions include: - Extending the prohibition compliance date for using TCE as a processing aid in nuclear fuel manufacturing to September 15, 2028. - Updating the compliance date for TCE disposal to wastewater by processors and industrial/commercial users to December 18, 2026. - Adjusting deadlines for downstream notification and Safety Data Sheet (SDS) text requirements to align with the new prohibition dates, allowing 90 days post-publication for updates. EPA made these revisions in response to new information regarding challenges faced by affected facilities to meet the original deadlines. The interim final rule is effective September 15, 2025, and public comments are requested by October 17, 2025, via Docket ID EPA-HQ-OPPT-2020-0642 through Regulations.gov."