A PLUMBING SYSTEM must be installed to preclude backflow of a solid, liquid, or gas contaminant into the water supply system at each point of use at the FOOD ESTABLISHMENT, including on a hose bibb if a hose is attached or on a hose bibb if a hose is not attached and backflow prevention is required by LAW, by:
Wash. Admin. Code § 246-215-05245
Statutory Authority: RCW 43.20.050 and 43.20.145. 13-03-109, § 246-215-05245, filed 1/17/13, effective 5/1/13.