4 Va. Admin. Code § 25-40-740
Sources of dust shall be wetted down unless controlled by dry collection measures.
§§ 45.1-161.3, 45.1-161.294 and 45.1-161.305 of the Code of Virginia.
Derived from VR480-05-1.2 § 5.3, eff. July 19, 1989.