maximum contaminant level (MCL)
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How Low Did U.S. EPA Go–U.S. EPA Issues Its Long-Awaited Draft PFAS Drinking Water Standards
Almost two years to the date after U.S. EPA issued its regulatory determination for contaminants on the forth Contaminant Candidate List, U.S. EPA has issued its draft rule setting drinking water limits for several PFAS compounds. Specifically. U.S. EPA’s draft rule proposes a four part per trillion (ppt) maximum contaminant level (MCL) for perfluorooctanoic acid (PFOA)… Continue reading