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In May 2016, the U.S. EPA established lifetime health advisory levels (“HALs”) for PFOA and PFOS at 70 ppt, separately or combined. EPA’s health advisories are non-enforceable and non-regulatory and provide technical information to states agencies and other public health officials on health effects, analytical methodologies, and treatment technologies associated with drinking water contamination. Since establishing HALs for PFOA and PFOS, EPA has also taken the following actions:
In addition, several bills have been proposed in Congress requiring federal agencies to establish maximum contaminant levels for PFAS under the Safe Drinking Water Act, designate certain PFAS as hazardous substances under CERCLA, or impose further restrictions under other federal statutes such as TSCA and the Clean Water Act.