30 C.F.R. § 57.22240

Current through September 30, 2024

Section 57.22240 - Actions at 2.0 percent methane (V-A mines)

If methane reaches 2.0 percent in the mine atmosphere, all persons other than competent persons necessary to make ventilation changes shall be withdrawn from affected areas until methane is reduced to less than 1.0 percent.

30 C.F.R. §57.22240

52 FR 24941, July 1, 1987; 52 FR 27903, July 24, 1987