30 C.F.R. § 57.20031
Current through September 30, 2024
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.
30 C.F.R. §57.20031
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.
30 C.F.R. §57.20031