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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. Here’s what you can do about PFAS in your drinking water - AOL

    www.aol.com/pfas-drinking-water-203151585.html

    But there are some steps you can take to try to clean up what comes out of your faucet. ... Here’s what you can do about PFAS in your drinking water. Amy Eisinger. April 10, 2024 at 1:31 PM.

  5. 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.

  6. Perfluoroalkoxy alkane - Wikipedia

    en.wikipedia.org/wiki/Perfluoroalkoxy_alkane

    In 2023, the United States EPA proposed "the first (US national) standard to limit (PFAs) in drinking water;" albeit only six of >12,000 such chemicals were addressed. [11] At high temperatures or in a fire, fluoroelastomers decompose and may release hydrogen fluoride. Any residue must be handled using protective equipment. [citation needed]

  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' can harm you. So where are ... - AOL

    www.aol.com/pfas-forever-chemicals-harm-where...

    Fire-retardant foam, which contained PFAS compounds for decades, often found use at military bases and airstrips, causing costly pollution to nearby water sources. The U.S. Department of Defense ...

  9. Toxic 'forever chemicals' are everywhere. Can you actually ...

    www.aol.com/news/toxic-forever-chemicals...

    Can you actually avoid PFAS? 4 strategies from experts. Daryl Austin. April 15, 2024 at 9:36 PM. d3sign. ... however, which is why they are often called "forever chemicals."

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