Following the completion of briefing in the challenge to EPA’s rule designating PFOA and PFOS as hazardous substances under the Comprehensive Environmental Response, Compensation, and Liability Act (CERCLA), oral argument has been scheduled for Tuesday, January 20, 2026. 

On January 7, 2026, the U.S. Court of Appeals for the D.C. Circuit granted Respondent-Intervenors’ unopposed motion setting…