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Earth United States

EPA's New Definition of PFAS Could Omit Thousands of 'Forever Chemicals' 30

The US Environmental Protection Agency (EPA) office responsible for protecting the public from toxic substances has changed how it defines PFAS for a second time since 2021, a move critics say they fear will exclude thousands of "forever chemicals" from regulation and largely benefit industry. From a report: Instead of using a clear definition of what constitutes a PFAS, the agency's Office of Pollution Prevention and Toxics plans to take a "case-by-case" approach that allows it to be more flexible in determining which chemicals should be subjected to regulations. Among other uses for the compounds, the EPA appears to be excluding some chemicals in pharmaceuticals and pesticides that are generally defined as PFAS, current and former EPA officials say, and the shift comes amid fierce industry opposition to proposed limits on the chemicals.

The approach puts the toxics office at odds with other EPA divisions, other federal agencies, the European Union, Canada and most of the scientific world. The definition is likely to generate confusion in the chemical industry and within the agency, current and former EPA officials say. [...] PFAS, or per- and polyfluoroalkyl substances, are a class of about 15,000 compounds most frequently used to make products water-, stain- and grease-resistant. They have been linked to cancer, birth defects, decreased immunity, high cholesterol, kidney disease and a range of other serious health problems. They are dubbed "forever chemicals" because they do not naturally break down in the environment. In a statement to the Guardian, the EPA said its latest definition was more "expansive" than the previous.
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EPA's New Definition of PFAS Could Omit Thousands of 'Forever Chemicals'

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  • by aaarrrgggh ( 9205 ) on Friday August 18, 2023 @12:17PM (#63778022)

    As much as something needs to be done urgently, I think it will take a long time to phase out all PFAS. It will get done eventually but they really are everywhere. It is quite an undertaking.

    • We are really at a point of diminishing returns with chemical technology. I don't give a shit about stain resistance or some aspect of food packaging. If a company wants to introduce a new compound in the wild they should go through a process similar to drug approval. This is from someone that actually worked in the chemical industry in a lab.
    • by Mspangler ( 770054 ) on Friday August 18, 2023 @03:29PM (#63778502)

      "Products made with Viton high-performance fluoroelastomers last longer and retain their flexibility, strength, and shape in the most extreme environments."

      "Garlock gaskets are offered in a wide range of materials and configurations, including GYLON® Restructured PTFE, "

      I used lots of both in multiple jobs over the decades, plus Teflon, PVDF, and more I can't think of right now.

      They are used because they work in aggressive media. If you don't want nasty chemicals leaking out of every connection, these are the materials you use.

      So they are not going away.

      • Also various medicines are technically PFAS, like Ciproflaxin antibiotic, while others need PFAS in the manufacturing process. It's really not all that shocking that the EPA may be choosing to allow PFAS needed for medicine or for protective gear and seals for human safety over a Don Quixote windmill tilting approach. What might be useful instead is some more research on how to dispose of them so they don't stay in the environment forever.
      • by Immerman ( 2627577 ) on Friday August 18, 2023 @07:56PM (#63779072)

        >So they are not going away.

        And I'm grudgingly okay with that. In those situations where they are actually needed.

        It's the million other places the things get used because they're a cheap way to do X that I seriously object to.

        And in my ideal world? Safe disposal would be required by law, with the costs to do so baked in to the purchase price.

    • by Mspangler ( 770054 ) on Friday August 18, 2023 @03:45PM (#63778564)

      Halar, that was the other one I couldn't remember,

      Halar® ECTFE is a partially fluorinated semi-crystalline polymer offering a unique combination of properties for highly demanding industries.

      Harrington has one of the better chemical resistance guides,

      This is an example from the lead in page.

      1. Methylene chloride: in the table PVDF, Halar, or PTFE are the only materials suitable.

      2. Deleted due to irrelevance.

      3. For nitric acid, 40% at ambient temperature: the tables recommend either CPVC or polypropylene at 73F. In most cases, CPVC will be the economical choice. Note that PVDF is rated for higher temperature use.

      So again, they are way too useful. The last place I worked that used a lot of them made silicon for solar panels. Those chemicals are impolite to say the least. If you want to keep those chemicals inside the process piping, then you need fluorinated hydrocarbons.

      • If PFAS were used only to keep chemicals inside pipes we wouldn't be having this discussion. The reality is we use them in literally countless different products and cases and many of them are substitutable or eliminable.

  • Anyone that demands the EPA come up with a "definition of what constitutes a PFAS" instantly admits they know nothing about PFAS.

    • What's missing from the article is any hint of whether the EPA's new definition is better or more useful than the other definitions, or worse or less useful. The Guardian seems to be long on scare articles and innuendo, but short on real information.

      From the article, the EPA's 2021 “working definition” defined PFAS as “at least two adjacent carbon atoms, where one carbon is fully fluorinated and the other is at least partially fluorinated”. Apparently the new definition "expanded the

  • by gweihir ( 88907 ) on Friday August 18, 2023 @12:40PM (#63778104)

    Cannot have that. May impact profits! That would be socialist!

  • Hollow Names. (Score:2, Insightful)

    by geekmux ( 1040042 )

    The Environmental Protection Agency.

    The Federal Reserve.

    The Bill of Rights.

    How many names have to be completely hollowed out before citizens actually want to do something about a growing obvious problem?

    We're beyond Trust, so just Verify. Long past due for such agencies to be forced to review their charter in order to prove why they assume they're still on course. This "Protection" agency, appears to not actually be protecting jack shit other than corporate profits.

    • Russian propaganda has entered the chat. Go fuck yourself.

      • The fuck are you ignorantly on about? Let me guess, you don't eat fucking french fries either.

        Grow up and realize most of the shit you believe in, wasn't invented by some American redneck.

  • When it became scientifically clear that lead was toxic to humans in any concentration, US corporations doubled down & did everything in their power to keep using lead regardless of the consequences, which they didn't have to bear, but which the US population had to bear. The USA is still heavily polluted with lead in their soil & therefore food, & drinking water.

    Apparently, so it will be with PFAS.
    • Some municipal airports still sell only leaded aviation fuel (for prop planes).

      Prop plane owners don't want to pay for the under-$1000 upgrades to their engines to allow the use of unleaded gas. The aviation lobby is strong.

      • by sixoh1 ( 996418 )

        Incorrect! The EPA has made an official finding of endangerment and demanded leaded fuels be eliminated by 2030, the FAA has been formally working on making that happen for more than 10 years as part of the Piston Aviation Fuels Initiative (PAFI) [faa.gov] which is part of the FAA annual funding bill. But even with the EPA direction and the FAA support its still a rather large problem. Neither technology or individual airplane operators are the biggest hurdle(s) here, you also have to solve certification (the FAA pa

  • They have been linked to cancer, birth defects, decreased immunity, high cholesterol, kidney disease and a range of other serious health problems

    ... but let's not inconvenience industry use of these chemicals. Finding and using safe alternatives might cost more than $1.

    Profit > *

    and 'healthy customers' is a subset of *

  • Gerald Ford passed TSCA, grandfathering in 10k's of chemicals without any proof of safety at all. A complete sellout to industry by throwing away the precautionary principle.

    People should move to Texas where refineries blow up or places like Kentucky where they build golf courses out of even though it causes cancer and contains heavy metals that leech into groundwater. Oh, and they mix it into concrete now too so your buildings and parking structures get to be toxic waste Superfund sites too. [agc.org]

God help those who do not help themselves. -- Wilson Mizner

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