(January 7, 2019, 10:27 AM EST) -- OCALA, Fla. — A putative class of residents sued 3M Co. and other companies in Florida federal court on Dec. 28, contending that the company has contaminated their groundwater with aqueous film forming foam (AFFF) containing the toxic chemicals perfluorooctane sulfonate (PFOS) and/or perfluorooctanoic acid (PFOA) (David Battisti, et al. v. The 3M Company, et al., No. 18-642, M.D. Fla.)....