CFR›Title 30›Chapter I›Part 15 ContainsSubparts A–CCorpusDaily eCFRDisplayed edition2026-04-15Last updated2026-04-15 PART 15—REQUIREMENTS FOR APPROVAL OF EXPLOSIVES AND SHEATHED EXPLOSIVE UNITS Subparts A Subpart A—General Provisions Sections 15.1–15.11 B Subpart B—Requirements for Approval of Explosives Sections 15.20–15.22 C Subpart C—Requirements for Approval of Sheathed Explosive Units or Other Explosive Units Designed to be Fired Outside the Confines of a Borehole Sections 15.30–15.32 Authority30 U.S.C. 957.Source53 FR 46761, Nov. 18, 1988, unless otherwise noted. Previous 14 Part 14—Requirements for the Approval of Flame-Resistant Conveyor Belts Next 18 Part 18—Electric Motor-Driven Mine Equipment and Accessories