Mobile holding tank—Capacity and drainage (2009 FDA Food Code 5-401.11).
A sewage holding tank in a mobile food unit must be:
(1) Sized fifteen percent larger in capacity than the water supply tank; and
(2) Sloped to a drain that is one inch (25 mm) in inner diameter or greater, equipped with a shutoff valve.
[Statutory Authority: RCW 43.20.050
. WSR 13-03-109, § 246-215-05400, filed 1/17/13, effective 5/1/13.]