(1) A reservoir that is used to supply water to a device such as a produce fogger must be:
(a) Maintained in accordance with manufacturer's specifications; and
(b) Cleaned in accordance with manufacturer's specifications or according to the procedures specified under subsection (2) of this section, whichever is more stringent.
(2) Cleaning procedures must include at least the following steps and must be conducted at least once a week:
(a) Draining and complete disassembly of the water and aerosol contact parts;
(b) Brush cleaning the reservoir, aerosol tubing, and discharge nozzles with a suitable detergent solution;
(c) Flushing the complete system with water to remove the detergent solution and particulate accumulation; and
(d) Rinsing by immersing, spraying, or swabbing the reservoir, aerosol tubing, and discharge nozzles with at least 50 mg/L hypochlorite solution.
[Statutory Authority: RCW 43.20.050
. WSR 13-03-109, § 246-215-05285, filed 1/17/13, effective 5/1/13.]