CA Health & Safety Code Section 114180

(a)

A reservoir that is used to supply water to a device such as a produce fogger shall be maintained in accordance with manufacturer’s specifications and cleaned in accordance with manufacturer’s specifications or according to the procedures specified in subdivision (b), whichever is more stringent.

(b)

Cleaning procedures shall include at least the following steps and shall be conducted at least once a week:

(1)

Draining and complete disassembly of the water and aerosol contact parts.

(2)

Brush-cleaning the reservoir, aerosol tubing, and discharge nozzles with a suitable detergent solution.

(3)

Flushing the complete system with water to remove the detergent solution and particulate accumulation.

(4)

Rinsing by immersing, spraying, or swabbing the reservoir, aerosol tubing, and discharge nozzles with an approved sanitizer as specified in Section 114099.6.

(c)

No fogging devices installed after the effective date of this part shall use a reservoir for holding water for fogging, but shall employ water under pressure for fogging or misting of foods.