30 C.F.R. · Mineral Resources
30 C.F.R. § 77.211

Draw-off tunnels; stockpiling and reclaiming operations; general.

Title 30 C.F.R. ● ACTIVE Primary Source
Regulatory Text

30 C.F.R. § 77.211 — Draw-off tunnels; stockpiling and reclaiming operations; general.

§ 77.211 Draw-off tunnels; stockpiling and reclaiming operations; general. (a) Tunnels located below stockpiles, surge piles, and coal storage silos shall be ventilated so as to maintain concentrations of methane below 1.0 volume per centum. (b) In addition to the tests for methane required by § 77.201 such tests shall also be made before any electric equipment is energized or repaired, unless equipped with a continuous methane monitoring device installed and operated in accordance with the provisions of § 77.211–1. Electric equipment shall not be energized, operated, or repaired until the air contains less than 1.0 volume per centum of methane.

Source: ecfr.gov · govinfo.gov — public domain Official Source ↗
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BS-CFR30-SEC-44DA09
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boisestandard.org
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30 C.F.R. § 77.211
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The regulatory text of 30 C.F.R. § 77.211 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. § 77.211