Diesel powered equipment may be utilized underground with the written approval of the Chief. The Chief shall promulgate regulations necessary to carry out the provisions of this section. The regulations shall require that the air in each travel way in which diesel equipment is used, and in any active workings connected thereto, be of a quality necessary for a safe, healthful working environment. The minimum quantity of ventilating air that must be supplied for a permissible diesel machine in a given time shall conform to that shown on the approval plate attached to the machine. All diesel machines and equipment shall be maintained in such manner that the exhaust emissions meet the same standards to which the machine or equipment was manufactured.

History

Code 1950, § 45-43; 1954, c. 191; 1966, c. 594, § 45.1-90; 1978, c. 729; 1981, c. 131; 1984, c. 639; 1994, c. 28; 1996, c. 774.