E. Blasting Practices
- § 70–622. Blasts Fired in Mine Using Safety Lamps Only by Permission of Mine Foreman
- § 70–623. Tight Cartridge Not to be Rammed into Hole
- § 70–624. Tamping Tools of Nonmetallic Material
- § 70–625. Examination Made Before and After Firing Blast in Gassy Mine
- § 70–626. Blast Not to be Fired Where Methane is Detected by Flame Safety Lamp
- § 70–627. Explosive Which Has Misfired Not to be Withdrawn or Hole Reopened
- § 70–628. Thirty Minute Waiting Period Before Returning to Misfired Hole
- § 70–629. Explosives Misfired—Hole to be Removed by Drilling Hole Two Feet Distant
- § 70–630. Search for Explosives After Detonating Misfired Hole
- § 70–631. Handling of Misfired Blast Under Supervision of Mine Foreman
- § 70–632. Leg Wires of Electric Detonators to be Kept Shunted
- § 70–633. Power or Signal Circuit Not to be Used to Fire Blast
- § 70–634. Mixed Type of Explosives Not to be Used in Same Blast Hole
- § 70–635. Miner to Give Sufficient Alarm Before Firing Blast
- § 70–636. Mudcaps or Other Unconfined Shots Shall Not be Fired Underground
- § 70–637. Gas Ignited by Blast to be Extinguished and Mine Foreman Notified