(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.
