4 Va. Admin. Code § 25-40-3190

Current through Register Vol. 41, No. 8, December 2, 2024

Section 4VAC25-40-3190 - Air intakes and returns

Separate mine openings shall be provided for main intake and return air currents except during early stages of development. A multiple compartment shaft is a single opening for the purpose of this standard.

4 Va. Admin. Code § 25-40-3190

Derived from VR480-05-1.2 § 5.43, eff. July 19, 1989.

Statutory Authority

§§ 45.1-161.3 and 45.1-161.294 of the Code of Virginia.