(February 21, 2020, 10:55 AM EST) -- WASHINGTON, D.C. — The U.S. Environmental Protection Agency on Feb. 20 announced its proposal to regulate perfluorooctanesulfonic acid (PFOS) and perfluorooctanoic acid (PFOA) in drinking water, but it said it would not regulate six other chemicals that commonly contaminate the water supply based on “inadequate” data....