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D.C. Circuit Rebuffs Challenge To EPA’s PFOA And PFOS Hazardous Substance Rule
In April 2024, EPA designated perfluorooctanoic acid (“PFOA”) and perfluorooctanesulfonic acid (“PFOS”) as hazardous substances under the Comprehensive Environmental Response, Compensation, and Liability Act (“CERCLA”). As previously discussed in Re:Torts, industry groups challenged the designation, arguing that EPA misread the phrase “may present substantial danger” as requiring only a “possibility” of harm. The groups also argued EPA gave inadequate notice of its cost-benefit methodology and acted arbitrarily and capriciously.
Dechert