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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
12/26/2024

4VAC25-40-5300. Changes in ventilation.

Changes in ventilation that materially affect the main air current or any split thereof and may affect the safety of persons in the mine shall be made only when the mine is idle. Only those persons engaged in making such changes shall be permitted in the mine during the change. Power shall be removed from the areas affected by the change before work starts and not restored until the effect of the change has been ascertained and the affected areas determined to be safe by a certified foreman.

Statutory Authority

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

Historical Notes

Derived from VR480-05-1.2 § 15.254, eff. July 19, 1989.

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