4 Va. Admin. Code § 25-40-700
Areas surrounding main fan installations and other mine openings shall be kept free from grass, weeds, underbrush and other combustible materials for a safe distance in all directions.
§§ 45.1-161.3, 45.1-161.294 and 45.1-161.305 of the Code of Virginia.
Derived from VR480-05-1.2 § 4.22, eff. July 19, 1989.