Virginia Administrative 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
Section 4VAC25-40-5170 - Failure of ventilation
Universal Citation: 4 VA Admin Code 4VAC25-40-5170
Current through Register Vol. 41, No. 3, September 23, 2024
When there has been a failure of mine ventilation other than a failure of a main fan as described in 4VAC25-40-5160, the operator shall:
1. Withdraw all persons from the unventilated active areas; and
2. De-energize the power in unvented active areas. The power shall not be restored or persons permitted to reenter the affected active areas until a certified foreman has determined that the flammable gas concentration in such active areas is less than 1.0%.
Statutory Authority
§§ 45.1-161.3, 45.1-161.294 and 45.1-161.305 of the Code of Virginia.
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