30 C.F.R. § 57.6803 Blasting lines.
Title 30 - Mineral Resources
Permanent blasting lines shall be properly supported. All blasting lines shall be insulated and kept in good repair.
Title 30: Mineral Resources
PART 57—SAFETY AND HEALTH STANDARDS—UNDERGROUND METAL AND NONMETAL MINES
Subpart E—Explosives
Maintenance—Surface and Underground
§ 57.6803 Blasting lines.

