Va. Code Ann. § 45.2-846

Air quality

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

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.

Official source: Virginia Law Portal (LIS). Reproduced from public-domain Virginia statutes; confirm against the official source for the current text. Not legal advice.