- A. Every blasting area in a shaft or slope operation shall be covered with mats or materials when the excavations are too shallow to retain the blasted material.
- B. If explosives are in the shaft or slope when an electrical storm approaches, every miner shall be removed from the working place until the storm has passed.
1978, c. 729, § 45.1-53.1; 1994, c. 28, § 45.1-161.132; 2021, Sp. Sess. I, c. 387.