Section 3190. Air intakes and returns

Latest version.

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.

Historical Notes

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.

                    
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