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

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

    The concentrations are so small that chemists testing water for PFAS often have to remove their makeup because beauty products can contain enough PFAS to throw off a test’s accuracy.

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

    www.aol.com/epa-sets-strict-pfas-limits...

    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 ...

  4. Per- and polyfluoroalkyl substances - Wikipedia

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

    The type of PFAS remediation technology selected is often a reflection of the PFAS contamination levels and the PFAS signature (i.e. the combination of short- and long-chain PFAS substances present) in conjunction with the site-specific water chemistry and cross contaminants present in the liquid stream.

  5. Toxic ‘forever chemicals’ about to get their first US limits

    www.aol.com/toxic-forever-chemicals-first-us...

    The Environmental Protection Agency is expected to propose restrictions on harmful “forever chemicals” in drinking water after finding they are The post Toxic ‘forever chemicals’ about to ...

  6. 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]

  7. 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 94th United States 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.

  8. Navy says EPA report that found low-level contamination ... - AOL

    www.aol.com/navy-says-epa-report-found-160200089...

    The inspection found small but detectable traces of petroleum and of per-and polyfluoroalkyl substances, dubbed PFAS. The report, which had several redactions, also detailed assorted maintenance ...

  9. Timeline of events related to per- and polyfluoroalkyl ...

    en.wikipedia.org/wiki/Timeline_of_events_related...

    One of twenty deer tested near Clark's Marsh was found to have a PFOS level of 547 parts per billion (ppb) taken from a muscle sample. It is unknown how PFAS could accumulate to the level seen in the deer found near Clark's Marsh. All deer except the one with elevated levels at Clark's Marsh were found to have no or very low levels of PFAS ...

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