(a) Using a handwashing sink.

1. (1) A handwashing sink shall be maintained so that it is accessible at all times for employee use. ^Pf
2. (2) A handwashing sink may not be used for purposes other than handwashing. ^Pf
3. (3) An automatic handwashing sink shall be used in accordance with manufacturer’s instructions. ^Pf

(b) Prohibiting a cross connection.*

1. (1) A person may not create a cross connection by connecting a pipe or conduit between the drinking water system and a nondrinking water system or a water system of unknown quality. ^P
2. (2) The piping of a nondrinking water system shall be durably identified so that it is readily distinguishable from piping that carries drinking water. ^Pf

(d) Water reservoir of fogging devices — Cleaning.*

1. (1) A reservoir that is used to supply water to a device such as a produce fogger shall be:

   1. (A) Maintained in accordance with manufacturer's specifications; ^P and
   2. (B) Cleaned in accordance with manufacturer's specifications or according to the procedures specified under subdivision (d)(2) of this section, whichever is more stringent. ^P

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

   1. (A) Draining and complete disassembly of the water and aerosol contact parts; ^P
   2. (B) Brush-cleaning the reservoir, aerosol tubing, and discharge nozzles with a suitable detergent solution; ^P
   3. (C) Flushing the complete system with water to remove the detergent solution and particulate accumulation; ^P and
   4. (D) Rinsing by immersing, spraying, or swabbing the reservoir, aerosol tubing, and discharge nozzles with at least a fifty milligrams per liter (50 mg/L) hypochlorite solution. ^P

(e) System maintained in good repair.* A plumbing system shall be:

1. (1) Repaired according to law; ^P and
2. (2) Maintained in good repair.