Under the Clean Air Act, sources frequently must undergo “New Source Review” (NSR) permitting, which is a pre-construction permitting program. NSR establishes requirements for new or modified sources prior to initiating...more
The United States Environmental Protection Agency (“EPA”) is proposing revisions to the Clean Air Act’s New Source Review (“NSR”) permitting regulations. The proposed rule would require that owners and operators of...more
The recent decision in Sierra Club v. EPA, 705 F.3d 458 (D.C. Cir. 2013) vacated all of EPA’s rules on Significant Monitoring Concentrations (“SMCs”), as well as some (the Prevention of Significant Deterioration (“PSD”)...more