§ 77.1909. Explosives and blasting; use of permissible explosives and shot-firing units.
21 words·~1 min read·
/us/cfr/t30/s§ 77.1909·A research copy — for the controlling text, always check the official state or federal source. Not legal advice.
Except as provided in § 77.1909-1, only permissible explosives and permissible shot-firing units shall be used in sinking shafts and slopes.