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The Physicians for Social Responsibility's (PSR) publication "Fracking with Forever Chemicals" inaccurately portrays the use of per- and polyfluoroalkyl substances (PFAS) in hydraulic fracturing, claiming the US Environmental Protection Agency (USEPA) authorized their unsafe use. However, the facts show that PFAS have been rarely used in oil and gas operations, mostly prior to 2017, and almost exclusively in Texas, Oklahoma, and New Mexico, where hydraulic fracturing occurs at great depth and does not pose a risk to groundwater resources. Key points include:

1. PFAS fluids have been used in less than 1% of hydraulic fracturing projects nationwide, with over 99% of projects using no such additives.
2. Over 99% of projects that used PFAS were located in Texas, Oklahoma, and New Mexico, where produced water is captured and reinjected into deep brine strata, minimizing the risk of contamination.
3. The limited use of PFAS occurred principally prior to 2017, with current use being nearly non-existent.
4. None of the PFAS health effects described by PSR have been associated with PFAS use for hydraulic fracturing.
5. USEPA did not approve the unsafe use of PFAS in hydraulic fracturing fluids, but instead issued an order limiting their use to protect health and the environment.