- 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.
In the use of black blasting powder:
Historical Note
Former Rule 2:85.