Code of Federal Regulations · Section

§ 57.22607 — Blasting On Shift (iii Mines)

30 C.F.R. § 57.22607

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When blasting on shift, tests for methane shall be made in the mine atmosphere by a competent person before blasting. Blasting shall not be done when 1.0 percent or more methane is present.

30 C.F.R. § 57.22606 30 C.F.R. § 57.22608

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