CFR›Title 30›Chapter I›Part 47›Subpart C ContainsSection 47.21CorpusDaily eCFRDisplayed edition2026-06-12Last updated2026-06-12 Subpart C—Hazard Determination Sections 47.21 § 47.21 Identifying hazardous chemicals. Previous B Subpart B—Definitions Next D Subpart D—HazCom Program