[20200226]IF11219_调节饮用水污染物：EPA PFAS行动.pdf

https:/crsreports.congress.gov Updated February 26, 2020Regulating Drinking Water Contaminants: EPA PFAS ActionsThe 116th Congress has held hearings and passed legislation directing the U.S. Environmental Protection Agency (EPA) and other departments and agencies to take a range of actions to address per- and polyfluoroalkyl substances (PFAS) in drinking water. EPA actions to respond to PFAS contamination under the Safe Drinking Water Act (SDWA) have received significant attention. The National Defense Authorization Act for FY2020 (NDAA, P.L. 116-92) amended SDWA to increase PFAS monitoring and authorize appropriations for grants to address PFAS in public water supplies, among other PFAS provisions. Over the past decade, EPA has been evaluating several PFAS under SDWA to determine whether national drinking water regulations are warranted for one or more of these substances. On February 20, 2020, EPA announced preliminary decisions to develop SDWA regulations for the two most frequently detected PFAS, perfluorooctanoic acid (PFOA) and perfluorooctane sulfonate (PFOS). This In Focus outlines EPA actions to address PFAS under SDWA and reviews related legislation. Background PFAS incl