On Tuesday, April 13, Reps. Debbie Dingell and Fred Upton, both D-Mich., introduced the PFAS Action Act of 2021, seeking further regulation of per- and polyfluorinated substances (PFAS). Most notably, the bill would require the U.S. Environmental Protection Agency (EPA) to take action to address two PFAS chemicals — PFOA and PFOS — through a number of regulatory provisions: designating PFOA and PFOS as hazardous substances under the Comprehensive Environmental Response, Compensation, and Liability Act, designating PFOA and PFOS as hazardous air pollutants under the Clean Air Act, and requiring EPA to establish national drinking water standards for PFOA and PFOS. (more…)