30 C.F.R. § 57.6307 Drill stem loading.
Title 30 - Mineral Resources
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.
Title 30: Mineral Resources
PART 57—SAFETY AND HEALTH STANDARDS—UNDERGROUND METAL AND NONMETAL MINES
Subpart E—Explosives
Transportation—Surface and Underground
§ 57.6307 Drill stem loading.
