4 Va. Admin. Code § 25-40-5310

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

Section 4VAC25-40-5310 - Adjustments in ventilation

If flammable gas in excess of 1.0% by volume is detected in the air not less than 12 inches from the back, face and rib of an underground active area, or in air returning from an area or areas, adjustments shall be made in the ventilation immediately so that the concentration of flammable gas in such air is reduced to 1.0% or less.

Derived from VR480-05-1.2 § 15.255, 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.