EPA is withdrawing the proposed rule titled ‘‘Prevention of Significant Deterioration (PSD) and Nonattainment New Source Review (NNSR): Regulations Related to Project Emissions Accounting’’ published in the Federal Register...more
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
On June 3, 2020, the U.S. Court of Appeals for the First Circuit vacated an air permit issued by the Massachusetts Department of Environmental Protection (DEP) for the construction of a new compressor station proposed by...more