30 CFR 77.1909 - Explosives and blasting; use of permissible explosives and shot-firing units.

Regulations most recently checked for updates: Aug 28, 2025

§ 77.1909 - Explosives and blasting; use of permissible explosives and shot-firing units.

Except as provided in § 77.1909-1, only permissible explosives and permissible shot-firing units shall be used in sinking shafts and slopes.