EPA Delays Methylene Chloride TSCA Requirements For Non-Federal Labs

November 10, 2025
EPA is finalizing a rule that extends by 18 months a set of compliance deadlines in the Biden-era TSCA risk management rule on methylene chloride for non-federal laboratories that use the acutely toxic solvent, aiming to ease disruption in monitoring activities the labs warned the agency about. “This final rule extends the Workplace Chemical Protection Program (WCPP) compliance dates for non-federal laboratories by an additional 18 months, aligning them with the dates required for federal laboratories and their contractors in...


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