( January 15, 2026, 12:28 PM EST) -- CHARLESTON, S.C. — A Michigan municipality has sued 3M Co., EIDP and other makers of per- and polyfluoroalkyl substances (PFAS) in South Carolina federal court, seeking damages for groundwater contamination from PFAS used in the firefighting agent aqueous film-forming foam (AFFF), the dangers of which the county says the defendants fraudulently concealed....