CFR›Title 40›Chapter I›Part 60›40 CFR Part 60 Subpart GG Citation40 CFR Part 60 Subpart GGContainsSections 60.330–60.335CorpusDaily eCFRDisplayed edition2026-04-24Last updated2026-04-24 Subpart GG—Standards of Performance for Stationary Gas Turbines Sections 60.330 § 60.330 Applicability and designation of affected facility. 60.331 § 60.331 Definitions. 60.332 § 60.332 Standard for nitrogen oxides. 60.333 § 60.333 Standard for sulfur dioxide. 60.334 § 60.334 Monitoring of operations. 60.335 § 60.335 Test methods and procedures. Authority42 U.S.C. 7401 et seq.Source36 FR 24877, Dec. 23, 1971, unless otherwise noted. Previous Ga Subpart Ga—Standards of Performance for Nitric Acid Plants for Which Construction, Reconstruction, or Modification Commenced After October 14, 2011 Next GGG Subpart GGG—Standards of Performance for Equipment Leaks of VOC in Petroleum Refineries for which Construction, Reconstruction, or Modification Commenced After January 4, 1983, and on or Before November 7, 2006