From Inside TSCA

EPA’s GenX Assessment Could Preview Strict New Limits For PFOA, PFOS

November 1, 2021
EPA’s risk assessment of GenX, a widely used per- and polyfluoroalkyl substance (PFAS), adopts an approach that observers say could also support tough limits on the more widely-studied PFAS known as PFOA and PFOS -- which one environmentalist says “could have enormous implications” as EPA is already considering new assessments for them. EPA’s Oct. 25 assessment of GenX sets the agency’s most stringent reference dose (RfD) -- the largest daily ingestion rate estimated to be free of health risks --...


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