Ariz. Admin. Code § 11-1-285

Current through Register Vol. 30, No. 50, December 13, 2024

Section R11-1-285 - Use of Black Blasting Powder

In the use of black blasting powder:

1. Containers shall not be opened in, or within 50 feet of any magazine; within any building in which a fuel-fired or exposed-element electric heater is in operation; where electrical or incandescent-particle sparks could result in power ignition; or within 50 feet of any open flame.

2. Granular powder shall be transferred from containers only by pouring. Spills of granular powder shall be cleaned up promptly with non-sparking equipment; contaminated powder shall be put into a container of water and its content disposed of promptly after the granules have disintegrated, or the spill area shall be flushed with a copious amount of water to completely disintegrate the granules.

3. Containers of powder shall be kept securely closed at all times other than when the powder is being transferred from or into a container.

4. Containers of powder transported by vehicles shall be in a wholly enclosed cargo space.

5. Misfires shall be disposed of by:

a. Washing the stemming and powder charge from the borehole, and

b. Removal and disposal of the initiator as a damaged explosive.

6. Boreholes of shots that fire but fail to break, or fail to break properly, shall not be recharged for at least 12 hours.

Ariz. Admin. Code § R11-1-285

Former Rule 2:85.