Bar Bulletin

Bar Bulletin

EPA and State Action to Regulate PFAS in Drinking Water Imposes Potentially Significant Costs on Water Systems

August 2018 Bar Bulletin

By Sarah Wightman
and Jeff Kray

Momentum to regulate to minute levels a common contaminant found in water systems throughout the United States is growing quickly at the federal, state, and local levels. Perfluorinated compounds (PFAS) are a generic term for a family of perfluoroalkyl acids, synthetic chemicals that have many useful properties, including fire resistance and oil, stain, grease, and water repellency.1 The two most widely known PFASs are perfluorooctanoic acid (PFOA) and perfluorooctane sulfate (PFOS).

PFAS are, or have been, found in firefighting foams, wire insulation, cleaners, textiles, apparel, carpet, leather, paper and paints....

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