Code of Virginia

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Code of Virginia
Title 45.2. Mines, Minerals, and Energy
Chapter 9. Requirements Applicable to Surface Coal Mines
9/29/2022

§ 45.2-937. Penetration of underground mines; testing.

A. A qualified person shall test for the presence of methane and for a deficiency of oxygen, using an approved device, at the entrance to an auger hole or at a highwall miner entry when either such entry point penetrates a worked-out area of an underground mine.

B. If one percent or more of methane is detected or 19.5 percent or less of oxygen is found to exist, no further work shall be performed until the atmosphere has been made safe.

1994, c. 28, § 45.1-161.290; 1999, c. 256; 2011, cc. 826, 862; 2021, Sp. Sess. I, c. 387.

The chapters of the acts of assembly referenced in the historical citation at the end of this section may not constitute a comprehensive list of such chapters and may exclude chapters whose provisions have expired.