12 Va. Admin. Code § 5-610-920
The term distribution methods refers to the piping, flow splitting devices, gravel, and other appurtenances beginning at the point of flow splitting and ending at the application of effluent to the soil absorption area. Two basic methods are considered:
§§ 32.1-12, 32.1-164, and 32.1-164.9 of the Code of Virginia.
Derived from VR355-34-02 § 1.3, eff. February 5, 1986; amended, Virginia Register Volume 4, Issue 14, eff. May 11, 1988; Volume 16, Issue 16, eff. July 1, 2000; Volume 32, Issue 24, eff. August 25, 2016.