Code of Federal Regulations · Section

§ 57.11054 — Communication With Refuge Chambers

30 C.F.R. § 57.11054

View:

Telephone or other voice communication shall be provided between the surface and refuge chambers and such systems shall be independent of the mine power supply.

30 C.F.R. § 57.11053 30 C.F.R. § 57.11055

Authorizing Statute