Code of Federal Regulations · Section

§ 57.22105 — Smoking And Open Flames (iv Mines)

30 C.F.R. § 57.22105

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Smoking or open flames shall not be permitted in a face or raise, or during release of gas from a borehole until tests have been conducted in accordance with § 57.22226 and the methane level has been determined to be below 0.5 percent.

30 C.F.R. § 57.22104 30 C.F.R. § 57.22106

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