30 CFR Part 57Public Domain
§ 57.22224 — Auxiliary equipment stations (I-A and III mines)
Subpart T — Safety Standards for Methane in Metal and Nonmetal Mines
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.
Public Domain: 30 CFR Part 57 (MSHA Safety and Health Standards — Underground Metal and Nonmetal Mines) is a U.S. government publication and is not subject to copyright. Text extracted from the official source ↗. Figures are served from the eCFR; if one does not load, use the link in its place.