On April 17, 2024, the U.S. Environmental Protection Agency (EPA) announced a final rule designating perfluorooctanoic acid (PFOA), perfluorooctanesulfonic acid (PFOS), and their salts and structural isomers as hazardous...more
On April 17, 2024, the U.S. Environmental Protection Agency (EPA) issued a Pre-Publication Notice that it was submitting a final rule (Rule) for publication in the Federal Register, designating perfluorooctanoic acid (PFOA)...more
In November, 2021, the American Standard for Testing and Materials (ASTM) published its E1527-21 (-21 Standard), its 2021 update to its Standard Practice for Environmental Site Assessments: Phase I Environmental Site...more
On April 23, 2020, the United States Supreme Court issued its opinion in County of Maui v. Hawaii Wildlife Fund, 590 U. S. ____ (2020), holding that, when pollutants originate from a point source, but are conveyed to...more