New Source Review Permitting Programs Back To All Programs New Source Review Permitting ProgramsAcerca deRecursos Federal New Source ReviewNSR- Relative CA Health & Safety Code SectionsNew Source Review Subscribe Categorías Temas Enforcement New Source Review (NSR) is a title applied to programs regulating the new construction of, and/or modifications to, industrial sources which emit, or will emit, air pollutants. More about this program New Source ReviewFederal New Source ReviewU.S. EPA’s Relaxation of Federal Air Permitting Popular Resources FAQ's Protect Clean Air Act SB288 US EPA Exclusions from 'Ambient Air' External LinksU.S. EPA NSR Permitting Related Programs Protect California Air Act of 2003 - Senate Bill 288 All Programs