( July 31, 2024, 12:52 PM EDT) -- CHARLESTON, S.C. — A former firefighter has sued 3M Co., E.I. DuPont de Nemours & Co. and other makers of per-and polyfluoroalkyl substances (PFAS) in South Carolina federal court alleging that they are liable for causing him to develop cancer as a result of exposure to PFAS in the firefighting agent known as aqueous film forming foam (AFFF) and the protective clothing worn by firefighters....