CFR›Title 40›Chapter I›Part 60›40 CFR Part 60 Subpart C Citation40 CFR Part 60 Subpart CContainsSections 60.30–60.31CorpusDaily eCFRDisplayed edition2026-04-24Last updated2026-04-24 Subpart C—Emission Guidelines and Compliance Times Sections 60.30 § 60.30 Scope. 60.31 § 60.31 Definitions. Authority42 U.S.C. 7401 et seq.Source36 FR 24877, Dec. 23, 1971, unless otherwise noted. Previous BBBB Subpart BBBB—Emission Guidelines and Compliance Times for Small Municipal Waste Combustion Units Constructed on or Before August 30, 1999 Next Cb Subpart Cb—Emissions Guidelines and Compliance Times for Large Municipal Waste Combustors That are Constructed on or Before September 20, 1994