PFAS Litigation Update: D.C. Circuit Upholds EPA Hazardous Substance Designation

The U.S. Court of Appeals for the District of Columbia Circuit on Aug. 18 upheld the Environmental Protection Agency’s 2024 designation of perfluorooctanoic acid (PFOA) and perfluorooctanesulfonic acid (PFOS) as “hazardous substances” under the Comprehensive Environmental Response, Compensation, and Liability Act (CERCLA) in Chamber of Commerce of the United States of America v. EPA, No. 24-1193 (D.C. Cir.).... By: Goldberg Segalla