4 Va. Admin. Code § 25-40-530
Flammable and combustible liquid or gas storage tanks shall not be located within 100 feet of any underground mine opening.
§§ 45.1-161.3, 45.1-161.294 and 45.1-161.305 of the Code of Virginia.
Derived from VR480-05-1.2 § 4.5, eff. July 19, 1989; amended, Virginia Register Volume 14, Issue 17, eff. July 1, 1998.