(March 10, 2022, 1:20 PM EST) -- CHARLESTON, S.C. — A firefighter on March 1 sued 3M Co. and others in South Carolina federal court seeking damages for injuries caused by exposure to per and polyfluoroalkyl substances (PFAS) in aqueous film-forming foam (AFFF), contending that the defendants knew that the chemicals are “highly toxic and carcinogenic” and present “significant health risks to humans.”...