Virginia Code Title 45.2. Mines, Minerals, and Energy § 45.2-825. Arcs, sparks, and flames

A. The intentional creation of any open arc, open spark, or open flame, except as provided in subsection B, is prohibited.

B. Any underground (i) welding or cutting with arc or flame or (ii) soldering, unless conducted in a fireproof enclosure that is ventilated with intake air, shall be done by or under the direct instruction of a certified foreman or repairman. A person certified in gas detection shall test for methane before and during such welding, cutting, or soldering operation in an underground coal mine and shall make a diligent search for fire after such an operation in all parts of the mine where such operation occurred. Rock dust or a suitable fire extinguisher shall be immediately available during such welding or cutting. Any welding operation shall be performed only in a well-ventilated area.