(July 15, 2021, 10:55 AM EDT) -- WASHINGTON, D.C. — The Office of Inspector General (OIG) for the U.S. Environmental Protection Agency on July 14 announced that he is initiating an inquiry into a hotline complaint regarding chemical risk assessments conducted under the Toxic Substances Control Act (TSCA) related to per- and polyfluoroalkyl substances (PFAS)....