053-3 Wyo. Code R. § 57.22231

Current through April 27, 2019

Section 57.22231 - Actions at 0.25 percent methane (I-B, II-B, V-B, and VI mines)

If methane reaches 0.25 percent in the mine atmosphere, changes shall be made to improve ventilation, and MSHA and the State Mine Inspector shall be notified immediately.