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Virginia Law

Code of Virginia

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Code of Virginia
Title 45.2. Mines, Minerals, and Energy
Chapter 8. Requirements Applicable to Underground Coal Mines; Electricity, Safety, Etc.
4/27/2025

§ 45.2-846. Air quality.

A. All active workings shall be ventilated by a current of air containing at least 19.5 percent by volume of oxygen and no harmful amount of any noxious or poisonous gas.

B. The volume and velocity of the current of air in all active workings shall be sufficient to dilute, render harmless, and carry away flammable, explosive, noxious, and harmful gases, dust, smoke, and explosive fumes.

Code 1950, § 45-60.3; 1954, c. 191; 1966, c. 594, § 45.1-63; 1968, c. 310; 1993, c. 442; 1994, c. 28, § 45.1-161.229; 1996, c. 774; 2005, c. 3; 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.