30 CFR 57.22233 - Actions at 0.5 percent methane (I-C mines).

Regulations last checked for updates: Oct 17, 2024

Title 30 - Mineral Resources last revised: Oct 03, 2024

View all text of Subpart T [§ 57.22001 - § 57.22608]

§ 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.

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

authority: 30 U.S.C. 811.

source: 50 FR 4082, Jan. 29, 1985, unless otherwise noted.

cite as: 30 CFR 57.22233