Materials that are used in the construction of a mobile water tank, mobile food unit water tank, and appurtenances must be:
(2) Durable, corrosion-resistant and nonabsorbent; and
(3) Finished to have a smooth, easily cleanable surface.
[Statutory Authority: RCW 43.20.050
. WSR 13-03-109, § 246-215-05300, filed 1/17/13, effective 5/1/13.]