CFR›Title 30›Chapter I›Part 70›Subpart A ContainsSections 70.1–70.2CorpusDaily eCFRDisplayed edition2026-04-24Last updated2026-04-24 Subpart A—General Sections 70.1 § 70.1 Scope. 70.2 § 70.2 Definitions. Source79 FR 24972, May 1, 2014, unless otherwise noted. Next B Subpart B—Dust Standards