30 C.F.R. § 57.22233

Current through May 31, 2024

Section 57.22233 - Actions at 0.5 percent methane (I-C mines)

If methane reaches 0.5 percent in the mine atmosphere, ventilation changes shall be made to reduce the level of methane. Until methane is reduced to less than 0.5 percent, no other work shall be permitted in affected areas.

30 C.F.R. §57.22233

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