Regulations last checked for updates: Dec 18, 2025

Title 30 - Mineral Resources last revised: Dec 03, 2025
§ 57.6307 - Drill stem loading.

Explosive material shall not be loaded into blastholes with drill stem equipment or other devices that could be extracted while containing explosive material. The use of loading hose, collar sleeves, or collar pipes is permitted.

authority: 30 U.S.C. 811.
source: 50 FR 4082, Jan. 29, 1985, unless otherwise noted.
cite as: 30 CFR 57.6307