Why This Matters DC Circuit Court Hears Oral Arguments on PFAS Designation Lawsuit
On January 20, the Washington, DC Circuit Court held oral argument in a case brought by the Chamber of Commerce challenging the Environmental Protection Agency’s (EPA) 2024 final rule designating PFOA and PFOS as hazardous substances under CERCLA.
The focus of the oral argument was whether EPA provided adequate notice at the proposal stage that the advantages of the designation outweighed the disadvantages and, if it did not, whether the items that were inadequately noticed were material to EPA’s decision. The Chamber’s primary argument was that EPA failed to meet its obligation to provide adequate notice and opportunity for public comment, asserting that the regulatory impact analysis (RIA) contained substantially more information than what was available at proposal.
For purposes of the case, EPA argued that the court does not need to address the statutory question of whether the agency was required to consider costs or determine whether advantages outweighed disadvantages, because EPA stated it had done both.
A decision in the case is expected in late April. Why This Matters
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