Report of the Bureau of Mines of the Department of Internal Affairs of ...

Ixxxiv MINING LAWS OF PENNSYLVANIA. Off. Doc.
Kule 31. A charge of powder or any other explosive in slate or
rock which has missed fire shall not be withdrawn or the hole reopened.
Rule 32. A miner or other person who is about to explode a blast
by the use of patent or other squibs or matches, shall not shorten
the match, nor saturate it with mineral oil, nor turn it down when
placed in the hole, nor ignite it except at its extreme end, nor do
anything tending to shorten the time the match will burn.
liule 33. When a workman is about to fire a blast he shall be careful
(0 notify all persons who may be in danger therefrom, and shall
give sufficient alarm before and after
igniting the match so that an;^
person or persons who may be approaching shall be warned of
danger.
Kule 34. Before commencing work and also after the firing of
every blast, the miner working a breast or any other place in a mme,
shall enter such breast or place to examine and ascertain its condition,
and his laborer or assistant shall not go to the face ot such
breast or place until the miner has examined the same and found it
to be safe,
Kule 35.
the
No person shall be employed to blast coal or rock unless
the mine foreman is satisfied that such person is qualified, by experience
and judgment, to perform the work with ordinary safety.
Rule 36. A person who is not a practical miner shall not charge or
fire a blast in the absence of an experienced miner, unless he has
given satisfactory evidence of his ability to do so with safety, and
has obtained permission from the mine foreman or person in charge.
Rule 37. An accumulation of gas in mines shall not be removed
by brushing where it is practicable to remove it by bratdce.
Kule 38. When gases ignited by blast or otherwise, the person
igniting the same shall immediately extinguish it, if )»ossible, and
notify the mine foreman or his assistant of the fact, and wori