(October 26, 2022, 7:22 AM EDT) -- CHARLESTON, S.C. — A town in Massachusetts has sued the 3M Co. and other manufacturers of firefighting aqueous film forming foam (AFFF) in South Carolina federal court contending they are liable for contaminating the town’s groundwater with per- and polyfluoroalkyl substances (PFAS), which the manufacturers knew would persist in the environment, “posing a threat to public health indefinitely.”...