4 Va. Admin. Code § 25-40-870
Surface blasting shall be prohibited if effects are liable to change the course or channel of any stream without a variance issued by the director.
§§ 45.1-161.3, 45.1-161.294 and 45.1-161.305 of the Code of Virginia.
Derived from VR480-05-1.2 § 6.10, eff. July 19, 1989; amended, Virginia Register Volume 14, Issue 17, eff. July 1, 1998.