[Adopted 4-26-2005]
All chemical dishwashers must be National Sanitation Foundation (NSF) approved retrofit machines and NSF-approved new units.
A. 
A test kit or other device that accurately measures the parts per million concentration and the pH must be available and used.
B. 
The pH and sanitized rinse must be tested every four hours when the machine is in use.
A log book must be maintained. The pH and sanitized rinse results of each testing must be recorded. This log must be made easily available at all times to a health inspector.