§57.22226. Testing for methane (IV mines).

30 C.F.R. § 57.22226

Tests for methane shall be conducted in the mine atmosphere by a competent person—

(a)

At least once each shift prior to starting work in each face and raise; and

(b)

Upon initial release of gas into the mine atmosphere from boreholes.

Notes, amendments, and revision history

Authority: 30 U.S.C. 811.

Source: 52 FR 24941, July 1, 1987, unless otherwise noted.

Authority: 30 U.S.C. 811.

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