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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
11/23/2024

4VAC25-40-5060. Gassy mines.

A mine shall be deemed gassy and thereafter operated as a gassy mine if:

1. Flammable gas emanating from the ore body or the strata surrounding the ore body has been ignited in the mine;

2. A concentration of 0.25% or more, by air analysis, of flammable gas emanating only from the ore body or the strata surrounding the ore body has been detected not less than 12 inches from the back, face, or ribs in any open workings; or

3. The mine is connected to a gassy mine.

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 § 15.230, eff. July 19, 1989; amended, Virginia Register Volume 14, Issue 17, eff. July 1, 1998.

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