12 Va. Admin. Code § 5-610-780
As used in this article, "pretreatment" refers to treatment works designed to prepare sewage for disposal in a soil medium.
§§ 32.1-12 and 32.1-164 of the Code of Virginia.
Derived from VR355-34-02 § 4.13, eff. February 5, 1986; amended, Virginia Register Volume 4, Issue 14, eff. May 11, 1988.