4VAC25-40-3850. Telephone or voice communications.
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.
Statutory Authority
§§ 45.1-161.3 and 45.1-161.294 of the Code of Virginia.
Historical Notes
Derived from VR480-05-1.2 § 15.109, eff. July 19, 1989.
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