Subpart C—Requirements for Approval of Sheathed Explosive Units or Other Explosive Units Designed to be Fired Outside the Confines of a Borehole RegSenseCFR SubpartCFR RegulationsMiningSpecialized IndustriesMine Safety and Health Administration (MSHA), DOLEnglishFocus AreaUSA
§15.30 Technical requirements.§15.31 Tolerances for ingredients.§15.32 Tolerances for weight of explosive, sheath, wrapper, and specific gravity.['Specialized Industries']['Mining']