In secondary blasting, if more than one shot is to be fired at one time, blasting shall be done electrically or with detonating cord.
4 Va. Admin. Code § 25-40-3440
Statutory Authority
§§ 45.1-161.3 and 45.1-161.294 of the Code of Virginia.
In secondary blasting, if more than one shot is to be fired at one time, blasting shall be done electrically or with detonating cord.
4 Va. Admin. Code § 25-40-3440
Statutory Authority
§§ 45.1-161.3 and 45.1-161.294 of the Code of Virginia.