( February 4, 2025, 8:59 AM EST) -- WASHINGTON, D.C. — A group of amici curiae states is supporting the U.S. Environmental Protection Agency in its effort to convince the District of Columbia Circuit U.S. Court of Appeals to deny petitions the U.S. Chamber of Commerce and six trade associations filed asking it to vacate a final rule promulgated by the agency that added two widely used per- and polyfluoroalkyl substances (PFAS) to the list of hazardous substances covered by the Comprehensive Environmental Response, Compensation, and Liability Act....