12 Va. Admin. Code § 5-610-1040
The tank in which the sewage is to be transported shall be fully enclosed and watertight. All inlets and outlets to the tank shall be secured and made watertight during transit. The tank shall be secured to the truck.
§§ 32.1-12 and 32.1-164 of the Code of Virginia.
Derived from VR355-34-02 § 4.39, eff. February 5, 1986; amended, Virginia Register Volume 4, Issue 14, eff. May 11, 1988.