( August 19, 2024, 10:17 AM EDT) -- CHARLESTON, S.C. — The U.S. government filed a reply brief in South Carolina federal court on Aug. 16 arguing that the plaintiffs in five cases alleging injuries from exposure to the firefighting agent aqueous film forming foam XE "aqueous film forming
foam" (AFFF), which contains per- and polyfluoroalkyl substances XE "per- and polyfluoroalkyl
substances" (PFAS), should have their cases dismissed because they have not met their burden of showing that the discretionary function exception (DFE) in the Federal Tort Claims Act (FTCA) does not bar their claims....