On June 11, 2025, the U.S. Environmental Protection Agency ("EPA") announced a proposed rule to repeal key amendments to the 2024 Mercury and Air Toxics Standards ("MATS") for coal- and oil-fired electric utility steam...more
The United States Environmental Protection Agency (“EPA”) issued a pre-publication version of a proposed rule that would remove affirmative defense provisions from certain Clean Air Act New Source Performance Standards...more
The United States Environmental Protection Agency (“EPA”) published in the September 13th Federal Register a proposed rule that would amend the general provisions for Clean Air Act National Emission Standards for Hazardous...more
Congressman Rochester (Delaware) and Senator Duckworth (Illinois) have introduced S.4510 which is denominated the Public Health Air Quality Act of 2022 (“S.4510”). The legislation addresses Clean Air Act monitoring...more
The Administrator of the United States Environmental Protection Agency (“EPA”) issued a January 28th Order granting a Petition objecting to the issuance of a Clean Air Act Title V Operating Permit (“Permit”) for the ETC Waha...more