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
In a major change in air permitting policy, on January 25, 2018 U.S. EPA reversed its longstanding “once in, always in” policy governing what sources are subject to major source regulations for the emissions of air toxics...more