GroundRules
4VAC25-40-5710: Limitations on firing shots
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 11. Gassy Mines
Shots or rounds shall not be fired in places where flammable gas can be detected with a permissible flame safety lamp, or where 1.0% or more of flammable gas can be detected by any other MSHA approved device or method, at a point not less than 12 inches from the back, face and rib. See Article 4 (4VAC25-40-3325 et seq.) of this part for blasting requirements.
Collected 2026-09-14T04:46:11Z. Source file · JSON