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  2. EPA sets strict new PFAS limits; Portsmouth confirms it must ...

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    Because PFAS can often be found together in mixtures, EPA is also setting a limit for any combination of four PFAS. This standard will reduce PFAS exposure in drinking water to the lowest levels ...

  3. EPA proposes first-ever PFAS limits for drinking water ... - AOL

    www.aol.com/epa-proposes-first-ever-pfas...

    Administrator Michael Regan visited Wilmington, NC, to announce limits on forever chemicals. He first fought against the chemicals as North Carolina’s environmental secretary.

  4. More than 600 water systems reported PFAS above new EPA ... - AOL

    www.aol.com/more-600-water-systems-reported...

    Nearly 35 million people get their water from systems that reported high levels of PFAS in at least one test last year. Fixing the problem is costly. More than 600 water systems reported PFAS ...

  5. Per- and polyfluoroalkyl substances - Wikipedia

    en.wikipedia.org/wiki/Per-_and_polyfluoroalkyl...

    The United States Environmental Protection Agency (EPA) defines PFAS in the Drinking Water Contaminant Candidate List 5 as substances that contain "at least one of the following three structures: R−CF 2 −CF(R')R", where both the −CF 2 − and −CF− moieties are saturated carbons, and none of the R groups can be hydrogen; R−CF 2 −O ...

  6. Toxic Substances Control Act of 1976 - Wikipedia

    en.wikipedia.org/wiki/Toxic_Substances_Control...

    The Toxic Substances Control Act (TSCA) is a United States law, passed by the Congress in 1976 and administered by the United States Environmental Protection Agency (EPA), that regulates chemicals not regulated by other U.S. federal statutes, [1] including chemicals already in commerce and the introduction of new chemicals.

  7. Perfluorohexanesulfonic acid - Wikipedia

    en.wikipedia.org/wiki/Perfluorohexanesulfonic_acid

    A new EU drinking water directive issued in 2020 adopted PFAS limit values. The limit values are 0.1 μg/L for the sum of 20 PFASs including PFHxS, and 0.5 μg/L for the sum of all PFASs. This directive is binding for all EU member nations. It is a minimum directive, and member states can elect to adopt stricter regulations. [19]

  8. PFAS 'forever chemicals' are everywhere, and here's how they ...

    www.aol.com/pfas-forever-chemicals-everywhere...

    A water sample is measured as part of a PFAS drinking water treatment experiment, Tuesday, Feb. 14, 2023, at the U.S. Environmental Protection Agency Center For Environmental Solutions and ...

  9. What are ‘forever chemicals'? What to know about PFAS ... - AOL

    www.aol.com/forever-chemicals-know-pfas-private...

    Even relatively cheap filters can remove PFAS from tap water, studies show, but their effectiveness can vary. At-home filtration solutions can cost as little as $20, but as feature sets and ...