§ 57.20031. Blasting underground in hazardous areas.
25 words·~1 min read·
/us/cfr/t30/s§ 57.20031·A research copy — for the controlling text, always check the official state or federal source. Not legal advice.
In underground areas where dangerous accumulations of water, gas, mud, or fire atmosphere could be encountered, persons shall be removed to safe places before blasting.