45.1-161.227 - Ventilation with air from certain areas.
§ 45.1-161.227. Ventilation with air from certain areas.
Active face workings shall not be ventilated with air that has passed throughworked-out areas or has been used to ventilate pillar lines. This sectionshall not apply to air which is being used to ventilate an active pillar lineand rooms which are necessary to establish and maintain the pillar line.
(Code 1950, § 45-60.5; 1954, c. 191; 1966, c. 594, § 45.1-62; 1993, c. 442;1994, c. 28; 1996, c. 774; 1999, c. 256.)