Code of Virginia

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Code of Virginia
Title 45.1. Mines and Mining
Chapter 14.4. Requirements Applicable to Surface Coal Mines
6/16/2019

§ 45.1-161.290. Penetration of underground mines; testing.

A. A qualified person shall test for methane and deficiency of oxygen using an approved device at the entrance to an auger hole or highwall miner entry when either 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; 1999, c. 256; 2011, cc. 826, 862.

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.