Virginia Administrative Code (Last Updated: January 10, 2017) |
Title 4. Conservation and Natural Resources |
Agency 25. Department of Mines, Minerals and Energy |
Chapter 40. Safety and Health Regulations for Mineral Mining |
Section 3250. Installation of ventilation tubing
Latest version.
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When used, ventilation tubing shall be installed so that the air current sweeps the face areas effectively. Maximum distance of the end of the tubing from the face generally shall be 30 feet for blowing and six feet for exhausting.
Historical Notes
Derived from VR480-05-1.2 § 15.49, eff. July 19, 1989.
Statutory Authority
§§ 45.1-161.3 and 45.1-161.294 of the Code of Virginia.