30 C.F.R. § 57.22224 Auxiliary equipment stations (I-A and III mines).
Title 30 - Mineral Resources
Battery charging stations, compressor stations, pump stations, and transformer stations shall be installed in intake air at locations which are sufficiently ventilated to prevent the accumulation of methane.
Title 30: Mineral Resources
PART 57—SAFETY AND HEALTH STANDARDS—UNDERGROUND METAL AND NONMETAL MINES
Subpart T—Safety Standards for Methane in Metal and Nonmetal Mines
Ventilation
§ 57.22224 Auxiliary equipment stations (I-A and III mines).
