The EPA just set new federal limits on PFAS in April 2024. This new rule, the first National Primary Drinking Water Regulation for PFAS, says PFOA and PFOS can’t be higher than 4 ppt. That’s a really strict standard, the toughest ever under the Safe Drinking Water Act. Many states already had tough rules in place. Luckily, advanced water treatment like reverse osmosis works great for these water quality issues. AMPAC USA’s commercial and industrial systems are built to handle these specific water treatment needs, and we have the certified, documented performance to prove it.

\\nBy: Post, Gloria B.\\n\\nENVIRONMENTAL TOXICOLOGY AND CHEMISTRY     \\n\\nEarly Access: NOV 2020\\n\\nFull Text from Publisher\\n\\nClose Abstract\\n\\nPer- and polyfluoroalkyl substances, or PFAS, are synthetic chemicals we’ve been making for over 70 years. They’re a big worry because they’re everywhere, they don’t break down, they build up in our bodies, and we’re seeing health problems from even small exposures. Back in 2016, the U.S. Environmental Protection Agency (USEPA) put out non-binding drinking water Health Advisories for PFOA and PFOS, setting them at 70 ng/L for individual and total concentrations. These are 8-carbon perfluoroalkyl acids, and they’re the most studied PFAS. By May 2020, nine U.S. states decided the USEPA’s advisories weren’t protective enough, so they created their own, stricter PFOA and PFOS guidelines. Plus, ten states developed guidelines for other PFAS, mostly PFAAs. This Critical Review looks at the science behind state and USEPA drinking water guidelines for PFOA and PFOS, and the same ideas apply to other PFAS guidelines. The guidelines differ based on toxicity and exposure. The state guidelines for PFOA (8-35 ng/L) and PFOS (10-40 ng/L) vary by about four times, which isn’t a huge or surprising difference when you consider different scientists developed them at different times. This is especially true when you compare them to older USEPA and state guidelines, which were generally much, much higher. Expect more state guidelines for PFOA, PFOS, and other PFAS to come out soon. Environ Toxicol Chem 2020;00:1-14. (c) 2020 SETAC\\n\\nThe post Recent US State and Federal Drinking Water Guidelines for Per? and Polyfluoroalkyl Substances appeared first on Facts About Water.\\n\\nSource: Water Feed