(October 15, 2018, 11:36 AM EDT) -- COLUMBUS, Ohio — The city of Dayton, Ohio, on Oct. 3 sued the makers of aqueous film forming foam (AFFF), a chemical used in firefighting operations, in Ohio federal court seeking damages pertaining to the contamination of its public drinking water with perfluorooctanoic acid (PFOA) and/or perfluorooctane sulfonic acid (PFOS) (City of Dayton v. 3M Company, et al., No. 18-331, S.D. Ohio)....