(May 30, 2023, 3:23 PM EDT) -- PROVIDENCE, R.I. — The state of Rhode Island sued the 3M Co., the company formerly known as E.I. DuPont de Nemours & Co. (DuPont) and other makers of the firefighting agent aqueous film forming foam (AFFF) in state court contending that they chose to conceal the dangers of AFFF, which contains per- and polyfluoroalkyl substances (PFAS), “so they could reap enormous profits.”...