CFR > Title 30 - Mineral Resources > CHAPTER I—MINE SAFETY AND HEALTH ADMINISTRATION, DEPARTMENT OF LABOR > SUBCHAPTER O—COAL MINE SAFETY AND HEALTH (parts 70 to 90) > PART 75—MANDATORY SAFETY STANDARDS—UNDERGROUND COAL MINES > SUBPART N—Explosives and Blasting (§75.1300 to §75.1328) > 75.1327—Misfires.

75.1327—Misfires.

(a) When misfires occur, only work by a qualified person to dispose of misfires and other work necessary to protect persons shall be done in the affected area.
(b) When a misfire cannot be disposed of—
(1) A qualified person shall post each accessible entrance to the area affected by the hazard of the misfire with a warning at a conspicuous location to prohibit entry; and
(2) The misfire shall be immediately reported to mine management.

Code of Federal Regulations

[53 FR 46786, Nov. 18, 1988; 54 FR 27641, June 30, 1989]