(a) After blasting, the blasting area shall not be entered until it
is clear of smoke and dust.
(b) Immediately after the blasting area has cleared, a qualified
person or a person working in the presence of and under the direction of a
qualified person, shall examine the area for misfires, methane and other
hazardous conditions.
(c) If a round has partially detonated, the qualified person shall
immediately leave the area and no person shall reenter the affected area for
at least 5 minutes.
