4VAC25-40-3440: Secondary blasting
Where this section sits in the code
- Title 4. Conservation And Natural Resources
- Agency 25. Department of Energy
- Chapter 40. Safety and Health Regulations for Mineral Mining
- Part XV. Safety and Health Regulations—Underground Only
- Article 4. Explosives
In secondary blasting, if more than one shot is to be fired at one time, blasting shall be done electrically or with detonating cord.
Collected 2026-09-14T04:46:04Z. Source file · JSON