CFR›Title 40›Chapter I›Part 61›Subpart C ContainsSections 61.30–61.34CorpusDaily eCFRDisplayed edition2026-04-23Last updated2026-04-23 Subpart C—National Emission Standard for Beryllium Sections 61.30 § 61.30 Applicability. 61.31 § 61.31 Definitions. 61.32 § 61.32 Emission standard. 61.33 § 61.33 Stack sampling. 61.34 § 61.34 Air sampling. Previous L Subpart L—National Emission Standard for Benzene Emissions from Coke By-Product Recovery Plants Next D Subpart D—National Emission Standard for Beryllium Rocket Motor Firing