WASHINGTON, Nov. 20 -- Environmental Protection Agency has issued a notice called: Clean Air Act Operating Permit Program; Order on Petition for Objection to State Operating Permit for United States Steel Corporation, Mon Valley Works, Clairton Plant.
The notice was published in the Federal Register on Nov. 20 by Michael Dunn, Acting Director, Air & Radiation Division, Region III.
Summary: The Environmental Protection Agency (EPA) Administrator signed an order dated September 16, 2025, granting in part and denying in part a petition dated November 19, 2024, from the United States Steel Corporation. The petition requested that the EPA object to a Clean Air Act (CAA) title V operating permit issued by the Allegheny County Health Department ...