Section 623. Tight Cartridge Not to Be Rammed into Hole.--In charging holes for blasting in coal, slate or rock in any mine, a tight cartridge shall not be rammed into the hole by any means. Only nonmetallic tamping bars shall be used for charging and tamping blast holes.
Tight Cartridge Not to Be Rammed into Hole
Act 346 of 1965, § 623, under PENNSYLVANIA ANTHRACITE COAL MINE ACT.
Act 346 of 1965, § 623