Administrative Code

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Virginia Administrative Code
Title 4. Conservation And Natural Resources
Agency 25. Department of Energy
Chapter 40. Safety and Health Regulations for Mineral Mining
12/5/2021

4VAC25-40-3420. Leaving blasting area; reentering blasting area.

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.

Statutory Authority

§§ 45.1-161.3, 45.1-161.294 and 45.1-161.305 of the Code of Virginia.

Historical Notes

Derived from VR480-05-1.2 § 15.66, eff. July 19, 1989; amended, Virginia Register Volume 14, Issue 17, eff. July 1, 1998.

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