CFR›Title 40›Chapter I›Part 60›Subpart UUUUb›Subject Group Definitions ContainsSection 60.5880bCorpusDaily eCFRDisplayed edition2026-06-08Last updated2026-06-08 Sections 60.5880b § 60.5880b What definitions apply to this subpart? Previous Applicability of State Plans to Affected EGUs Applicability of State Plans to Affected EGUs Next Introduction Introduction