On April 19, 2024, the United States Environmental Protection Agency (EPA) issued a pre-publication final rule and an associated enforcement policy concerning two common types of per-and polyfluoroalkyl substances (PFAS):...more
On April 19, 2024, the U.S. Environmental Protection Agency (USEPA) announced its final rule designating perfluorooctanoic acid (PFOA) and perfluorooctanesulfonic acid (PFOS) as hazardous substances under Section 102(a) of...more
The U.S. Environmental Protection Agency (EPA) finalized two of the most anticipated environmental regulations related to per- and polyfluoroalkyl substances—known as PFAS—in the past two weeks: listing of PFOA and PFOS as...more
On April 19, the U.S. Environmental Protection Agency (EPA) released a pre-publication version of the long-awaited final rule designating two per- and polyfluoroalkyl substances (PFAS) as “hazardous substances” under the...more
Last Friday, EPA formally designated perfluorooctanoic acid (PFOA) and perfluorooctanesulfonic acid (PFOS) – including their salts and structural isomers! – as hazardous substances under CERCLA. I cannot really quarrel with...more
On April 19, 2024, EPA announced its highly anticipated final rule designating two polyfluoroalkyl substances ("PFAS")—perfluorooctanoic acid ("PFOA") and perfluorooctanesulfonic acid ("PFOS")—as "hazardous substances" under...more
On April 19, 2024, the U.S. Environmental Protection Agency (EPA) announced its final rule designating perfluorooctanoic acid (PFOA) and perfluorooctanesulfonic acid (PFOS), two of the most common and well-known per- and...more
On Friday, April 19, 2024, the U.S. Environmental Protection Agency (EPA) released a pre-publication version of its Final Rule (the Rule) designating two widely used per- and polyfluoroalkyl substances (PFAS) –...more
The final rule on the National Primary Drinking Water Regulation (NPDWR) for per- and polyfluoroalkyl substances (PFAS) was announced by the U.S. Environmental Protection Agency (EPA) on April 10, 2024. This Update summarizes...more
On April 10, 2024, after receiving nearly 122,000 comments on the proposed rule, the United States Environmental Protection Agency (“EPA”) announced its final National Primary Drinking Water Regulation (“NPDWR”) for six...more
In much anticipated news for followers of PFAS, or so-called "forever chemicals," USEPA announced today final, enforceable drinking water standards (MCLs) for six PFAS, including PFOS and PFOA at 4 parts per trillion. EPA...more
On April 10, the US Environmental Protection Agency (EPA) announced its final PFAS drinking water rule, setting new drinking water standards for six per- and polyfluoroalkyl substances (PFAS). ...more
On April 10, 2024, EPA announced the final National Primary Drinking Water Regulation (NPDWR) establishing legally enforceable Maximum Contaminant Levels (MCLs) and health-based, non-enforceable Maximum Contaminant Level...more
The United States Court of Appeals for the District of Columbia (“Court”) addressed in a November 13th decision a challenge to a United States Environmental Protection Agency (“EPA”) decision regarding a Comprehensive...more