EPA Reworks PFBS Assessment It Scrapped Over ‘Political Interference’

EPA has issued a revised version of a Trump-era toxicity assessment for a closely watched perfluorinated chemical, taking a first step to rework an analysis that officials had scrapped after finding that it violated the agency’s science integrity policy because of “political interference” in the scientific process. EPA April 8 released ­new assessment of perfluorobutane sulfonic acid (PFBS) -- one of thousands of known per- and polyfluoroalkyl substances (PFAS) that the Biden administration has vowed to address -- arguing that...