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 4VAC25-40-5060 - Gassy mines
Universal Citation: 4 VA Admin Code 4VAC25-40-5060
Current through Register Vol. 41, No. 3, September 23, 2024
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.
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