GroundRules
4VAC25-40-3420: Leaving blasting area; reentering blasting area
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
A. In areas where dangerous accumulations of water, gas or mud could be encountered, persons shall be removed to safe places before blasting.
B. Blasting areas shall not be reentered after firing for a minimum time limit of 30 minutes and not until the concentration of smoke, dust, and fumes has been reduced to safe limits.
Collected 2026-09-14T04:46:04Z. Source file · JSON