EPA Weighs Setting PFOA, PFOS Treatment Technique, Numeric Standard

December 17, 2021
EPA is weighing whether to set a numeric drinking water limit or a treatment standard for two specific per- and polyfluoroalkyl substances (PFAS), acknowledging that technical or economic feasibility constraints could preclude the establishment of a numeric limit that may have been expected. “Part of what we’re examining” is whether a treatment technique is more appropriate for perfluorooctanoic acid (PFOA) and perfluorooctane sulfonic acid (PFOS) rather than a type of rule known as a maximum contaminant limit (MCL), Eric Burneson,...


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