30 C.F.R. · Mineral Resources
30 C.F.R. § 57.22232

Actions at 0.5 percent methane (I-B, II-A, II-B, IV, V-B, and VI mines).

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Regulatory Text

30 C.F.R. § 57.22232 — Actions at 0.5 percent methane (I-B, II-A, II-B, IV, V-B, and VI mines).

§ 57.22232 Actions at 0.5 percent methane (I-B, II-A, II-B, IV, V-B, and VI mines). If methane reaches 0.5 percent in the mine atmosphere, ventilation changes shall be made to reduce the level of methane. Until methane is reduced to less than 0.5 percent, electrical power shall be deenergized in affected areas, except power to monitoring equipment determined by MSHA to be intrinsically safe under 30 CFR part 18. Diesel equipment shall be shut off or immediately removed from the area and no other work shall be permitted in affected areas. [52 FR 24941, July 1, 1987; 52 FR 27903, July 24, 1987]

Source: ecfr.gov · govinfo.gov — public domain Official Source ↗
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30 C.F.R. § 57.22232
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The regulatory text of 30 C.F.R. § 57.22232 is reproduced from the official Code of Federal Regulations as published by the Office of the Federal Register and the National Archives and Records Administration.
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boisestandard.org United States Law CFR Title 30 30 C.F.R. § 57.22232