053-3 Wyo. Code R. § 57.22239

Current through April 27, 2019

Section 57.22239 - Actions at 2.0 percent methane (IV 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percent in the mine atmosphere, all persons other than competent persons necessary to make ventilation changes shall be withdrawn from the mine until methane is reduced to less than 0.5 percent. MSHA and the State Mine Inspector shall be notified immediately.

053-3 Wyo. Code R. § 57.22239

52 FR, 24941, 7/1/1987, as amended at 52 FR 41397, 10/27/1987

Approved by the Office of Management and Budget under control number 1219-0103