30 C.F.R. § 57.22223
Current through October 31, 2024
A means of ventilating faces shall be provided before workings are abandoned in unsealed areas, unless crosscuts are provided within 30 feet of the face.
30 C.F.R. §57.22223
A means of ventilating faces shall be provided before workings are abandoned in unsealed areas, unless crosscuts are provided within 30 feet of the face.
30 C.F.R. §57.22223