30 C.F.R. § 77.1909 Explosives and blasting; use of permissible explosives and shot-firing units.
Title 30 - Mineral Resources
Except as provided in §77.1909–1, only permissible explosives and permissible shot-firing units shall be used in sinking shafts and slopes.
Title 30: Mineral Resources
PART 77—MANDATORY SAFETY STANDARDS, SURFACE COAL MINES AND SURFACE WORK AREAS OF UNDERGROUND COAL MINES
Subpart T—Slope and Shaft Sinking
§ 77.1909 Explosives and blasting; use of permissible explosives and shot-firing units.
