Mealey's (February 11, 2021, 1:10 PM EST) -- WASHINGTON, D.C. — The U.S. Environmental Protection Agency on Feb. 9 issued an announcement in which it said that after reviewing a press release from the EPA during the closing days of the Trump administration, the agency’s toxicity assessment for perfluorobutanesulfonic acid (PFBS), which is one of multiple chemicals in the family of toxins known as per- and polyfluoroalkyl substances (PFAS), was “compromised by political interference as well as infringement of authorship and the scientific evidence of the author’s conclusions.”...