September 18, 2025
EPA Will Retain CERCLA Hazardous Substance Designation for PFOA, PFOS, Will Develop CERCLA Section 102(a) Framework Rule
The U.S. Environmental Protection Agency (EPA) announced on September 17, 2025, its next steps regarding regulatory efforts to address cleanup of perfluorooctanoic acid (PFOA) and perfluorooctanesulfonic acid (PFOS). On May 8, 2024, EPA designated PFOA, PFOS, and their salts and structural isomers as hazardous substances under the Comprehensive Environmental Response, Compensation, and Liability Act (CERCLA). Under the rule, entities are required to report immediately releases of PFOA and PFOS...