9 Va. Admin. Code § 20-60-40
§ 10.1-1402 of the Code of Virginia; 42 USC § 6921 et seq.; 40 CFR Parts 260 through 272.
Derived from VR672-10-1 § 2.3, eff. January 1, 1988; amended, Virginia Register Volume 5, Issue 4, eff. January 1, 1989; Volume 6, Issue 6, eff. February 1, 1990; Volume 7, Issue 16, eff. July 1, 1991; Volume 9, Issue 6, eff. January 13, 1993; Volume 9, Issue 23, eff. September 8, 1993; Volume 19, Issue 18, eff. July 1, 2003.