EPA Seeks Public Input on Its Draft Toxicity Assessment for Genx Chemicals

The U.S. Environmental Protection Agency (EPA) is now seeking public input on draft toxicity assessments for GenX chemicals and perfluorobutane sulfonic acid (PFBS), members of a larger group of per- and polyfluoroalkyl substances (PFAS). The draft assessments are part of EPA’s efforts to increase the amount of research and information that is publicly available on chemicals in the PFAS family. “EPA is delivering on its commitment to provide our state and local partners the tools and information they need to address PFAS,” says EPA Acting Administrator Andrew Wheeler. “The draft toxicity assessments are part of our forthcoming management