U.S. Environmental Protection Agency (EPA) Administrator Lee Zeldin announced on March 12, 2025, that EPA will undertake 31 distinct actions in an effort to advance President Donald Trump's Day One executive orders (EOs) to...more
After years of delays – largely due to the COVID-19 pandemic – on April 11, 2023, the U.S. Environmental Protection Agency finally issued two proposals that would reduce ethylene oxide (EtO) emissions affecting fence-line...more
The U.S. Environmental Protection Agency (“EPA”) has announced its latest priority for Clean Air Act enforcement: stationary engines. In an enforcement alert, EPA states that it has been finding numerous violations of Clean...more
Section 112 of the federal Clean Air Act (CAA) requires major sources of hazardous air pollutants (HAPs) to, among other things, control emissions using the maximum achievable control technology (MACT). A major source is a...more
The National Association of Clean Air Agencies (“NACAA”) submitted February 6th comments on the U.S. Environmental Protection Agency (“EPA”) proposed: National Emission Standards for Hazardous Air Pollutants: Miscellaneous...more
The National Association of Clean Air Agencies (“NACAA”) submitted comments to the United States Environmental Protection Agency (“EPA”) addressing the proposed: National Emission Standards for Hazardous Air Pollutants...more
The National Association of Clean Air Agencies (“NACAA”) submitted October 4th comments to the United States Environmental Protection Agency (“EPA”) on its proposed National Emission Standards for Hazardous Air Pollutants...more
The United States Environmental Protection Agency (“EPA”) and Liberty Casting Company, LLC (“LCC”) entered into a September 13th Consent Agreement and Final Order (“CAFO”) addressing alleged violations of the Clean Air Act...more
Trinity Consultants announced it is holding an Arkansas Air Quality Permitting class (“Class”) August 9th. The Class will be held in Little Rock, Arkansas....more
The United States Environmental Protection Agency (“EPA”) maintains a compendium of written responses to certain Clean air Act inquiries from owners or operators of sources. This compendium is known as an Applicability...more
The Subcommittee on Clean Air and Nuclear Safety (“Subcommittee”) of the United States Senate Committee on Environment and Public Works is holding a hearing today on legislation related to air issues. ...more
The United States Environmental Protection Agency (“EPA”) issued a final rule addressing the Clean Air Act National Emission Standards for Hazardous Air Pollutants (“NESHAP”) for Publicly Owned Treatment Works (“POTW”). ...more
On September 29, 2015, the U.S. Environmental Protection Agency (“EPA” or the “Agency”) promulgated its final Petroleum Refinery Sector Risk and Technology Review (“RTR”) and New Source Performance Standards (“NSPS”) rule...more