Environmental & Energy
Jul. 1, 2026
EPA'S proposed PFAS rescission: Key legal issues and practical implications for businesses
The EPA's proposal to rescind certain PFAS drinking water standards turns on statutory interpretation and administrative procedure--not a reassessment of PFAS risks--and may have limited practical effect for California businesses.
On May 20, 2026, the U.S. EPA proposed rescinding the individual Maximum Contaminant Level (MCL) of 10 ppt. for PFHxS, PFNA and HFPO-DA (GenX) from its April 2024 PFAS drinking water rule.
The proposed rule makes clear that EPA's position is based primarily on statutory interpretation and administrative procedure, not a change in the agency's assessment of PFAS risks.
EPA's proposed rule relies on a procedural interpretation of ...
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