StacksVerified U.S. regulatory reference

30 CFR §75.1317

Verified against eCFR.gov as of June 20, 2026View official text on eCFR.gov ↗
  1. (a)Primer cartridges shall be primed and loaded only by a qualified person or a person working in the presence of and under the direction of a qualified person.
  2. (b)Primer cartridges shall not be primed until immediately before loading boreholes.
  3. (c)Only a nonsparking punch shall be used when priming explosive cartridges.
  4. (d)Detonators shall be completely within and parallel to the length of the cartridge and shall be secured by half-hitching the leg wires around the cartridge or secured by an equally effective method.