4 Va. Admin. Code § 25-40-5060

Current through Register Vol. 41, No. 6, November 4, 2024

Section 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.

4 Va. Admin. Code § 25-40-5060

Derived from VR480-05-1.2 § 15.230, eff. July 19, 1989; amended, Virginia Register Volume 14, Issue 17, eff. July 1, 1998.

Statutory Authority

§§ 45.1-161.3, 45.1-161.294 and 45.1-161.305 of the Code of Virginia.