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
Continue Reading Oral Argument Scheduled in Hazardous Substance Designation LitigationVanessa Pinto
Update in PFAS Drinking Water Litigation
By Vanessa Pinto on
As previously reported, in the context of litigation by utilities challenging Maximum Contaminant Levels (“MCLs”) for PFAS in drinking water, the United States Environmental Protection Agency (“EPA”) filed a…
Continue Reading Update in PFAS Drinking Water LitigationPetitioners File Reply Brief Challenging EPA’s PFAS Hazardous Substance Designation
By Vanessa Pinto on
As previously reported, the U.S. Chamber of Commerce and two other trade groups have challenged EPA’s designation of PFOA and PFOS as hazardous substances under CERCLA. On November 14…
Continue Reading Petitioners File Reply Brief Challenging EPA’s PFAS Hazardous Substance DesignationPFAS Drinking Water Standards Litigation Paused Amid Government Shutdown; Briefing Scheduled for Hazardous Substance Designation Case
By Vanessa Pinto on
On October 3, 2025, the U.S. Court of Appeals for the D.C. Circuit granted EPA’s unopposed motion to hold the PFAS drinking water standards litigation in abeyance due to the…
Continue Reading PFAS Drinking Water Standards Litigation Paused Amid Government Shutdown; Briefing Scheduled for Hazardous Substance Designation CasePFAS Drinking Water Rule Litigation Stay Lifted; 30-Day Extension Sought in Hazardous Substance Designation Case
By Vanessa Pinto on
The U.S. Court of Appeals for the D.C. Circuit granted EPA’s motion to lift the stay in the litigation challenging the maximum contaminant levels (MCLs) for six PFAS chemicals (PFOA…
Continue Reading PFAS Drinking Water Rule Litigation Stay Lifted; 30-Day Extension Sought in Hazardous Substance Designation CasePause Continues in Litigation Over PFAS MCLs and Hazardous Substances Designation
By Vanessa Pinto on
EPA has again obtained extensions of the stays in the litigation challenging the MCLs for six PFAS and the litigation challenging the hazardous substance designation for PFOS and PFOA.
EPA…
Continue Reading Pause Continues in Litigation Over PFAS MCLs and Hazardous Substances DesignationLitigation Over PFAS Designation as Hazardous Substances Remains on Hold
By Vanessa Pinto on
On April 30, 2025, the U.S. Court of Appeals for the D.C. Circuit granted an additional 30-day abeyance in the challenge to EPA’s Final Rule designating Perfluorooctanoic Acid (PFOA) and…
Continue Reading Litigation Over PFAS Designation as Hazardous Substances Remains on HoldEPA Requests Additional 30-Day Abeyance in PFAS Drinking Water Rule Litigation
By Vanessa Pinto on
On April 8, 2025, the U.S. Environmental Protection Agency (EPA) requested the U.S. Court of Appeals for the D.C. Circuit extend the abeyance in the challenge to EPA’s Final Rule…
Continue Reading EPA Requests Additional 30-Day Abeyance in PFAS Drinking Water Rule LitigationLitigation Over PFAS MCLs on Hold for Now
By Vanessa Pinto on
A federal appeals court has granted the Environmental Protection Agency’s request for a 60-day abeyance in litigation challenging the Maximum Contaminant Levels (MCLs) for six PFAS chemicals.
In a February…
Continue Reading Litigation Over PFAS MCLs on Hold for NowBriefing Underway in Challenge to Maximum Contaminant Limits (MCLs) for PFAS in Drinking Water
By Vanessa Pinto on
Petitioners filed their opening briefs in the consolidated challenge to the Environmental Protection Agency’s (“EPA’s”) Final Rule establishing Maximum Contaminant Levels (“MCLs”) and Maximum Contaminant Level Goals (“MCLGs”) for six…
Continue Reading Briefing Underway in Challenge to Maximum Contaminant Limits (MCLs) for PFAS in Drinking Water