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EPA Issues Historic Proposed Rule to Designate PFOS and PFOA as Hazardous Substances Under CERCLA
On August 26, 2022, EPA issued its long-awaited notice of proposed rulemaking to designate two commonly used per- and polyfluoralkyl substances (PFAS)—i.e., PFOS and PFOA, including their salts and structural isomers—as “hazardous substances” under C...
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EPA Issues New HAL for Four Commonly Used PFAS
After months of speculation, on June 15, 2022, EPA issued its drinking water health advisory for four commonly used PFAS: PFOA, PFOS, GenX, and PFBS. EPA’s drinking water health advisories provide information on the levels of a specific contaminant t...
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PFAS Roundup: A Brief Summary of the Standards Set by Western States for PFAS in the Environment
Per- and polyfluoralkyl substances (PFAS) are everywhere. PFAS are a large group of chemicals that have been in use by a variety of industries since the 1940s for their ability to resist heat, oil, stains, grease, and water. For example, in...
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