Vermont Proposes ‘Strictest’ Limit on Drinking Water Contaminant

Jan. 31, 2019, 9:00 PM

Vermont is proposing what it says would be the nation’s strictest limits on fluorinated chemicals in drinking water, but environmental groups who sought the standards aren’t satisfied.

They want the state to specify a corresponding treatment standard as well.

The Vermont Agency of Natural Resources announced its proposed limit of 20 parts per trillion combined for any of five common fluorochemicals, known as per- and polyfluoroalkyl substances (PFAS), in public and private drinking water systems and wells.

The limits would apply to perfluorooctanoic acid (PFOA), perfluorooctanesulfonic acid (PFOS), perfluoroheptanoic acid (PFHpA), perfluorononanoic acid (PFNA), and perfluorohexane sulfonic acid (PFHxS).

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