CFR›Title 40›Chapter I›Part 60›40 CFR Part 60 Subpart N Citation40 CFR Part 60 Subpart NContainsSections 60.140–60.144CorpusDaily eCFRDisplayed edition2026-04-24Last updated2026-04-24 Subpart N—Standards of Performance for Primary Emissions from Basic Oxygen Process Furnaces for Which Construction is Commenced After June 11, 1973 Sections 60.140 § 60.140 Applicability and designation of affected facility. 60.141 § 60.141 Definitions. 60.142 § 60.142 Standard for particulate matter. 60.143 § 60.143 Monitoring of operations. 60.144 § 60.144 Test methods and procedures. Authority42 U.S.C. 7401 et seq.Source36 FR 24877, Dec. 23, 1971, unless otherwise noted. Previous MMMM Subpart MMMM—Emission Guidelines and Compliance Times for Existing Sewage Sludge Incineration Units Next Na Subpart Na—Standards of Performance for Secondary Emissions from Basic Oxygen Process Steelmaking Facilities for Which Construction is Commenced After January 20, 1983
Subpart N—Standards of Performance for Primary Emissions from Basic Oxygen Process Furnaces for Which Construction is Commenced After June 11, 1973