No person shall be permitted to blast coal or rock unless he is a certified miner and in the opinion of the mine foreman is qualified by experience and judgment to perform the work with ordinary safety.
52 P.S. § 70-234
No person shall be permitted to blast coal or rock unless he is a certified miner and in the opinion of the mine foreman is qualified by experience and judgment to perform the work with ordinary safety.
52 P.S. § 70-234