(April 11, 2024, 1:38 PM EDT) -- WASHINGTON, D.C. — The U.S. Environmental Protection Agency announced on April 10 that it has published a final rule regulating six types of per- and polyfluoroalkyl substances (PFAS) in drinking water under the National Primary Drinking Water Regulation (NPDWR). The rule sets maximum contaminant level goals (MCLGs) for perfluorooctanoic acid (PFOA) and perfluorooctane sulfonic acid (PFOS) at zero....