FOOD TEMPERATURE CONTROL 3f Food thermometer not available PUBLIC HEALTH SIGNIFICANCE Most food poisonings are associated with foods held at temperatures between 41oF and 140oF for extended periods of time. Health Department inspections stress temperature control of potentially hazardous food. Because food temperature control is so critical in assuring food safety all foods establishment must have and must use an accurate thermometer to check food temperatures. Food product thermometers are to be scaled 0—220oF. They must be accurate to +/-2oF. Food workers need to verify that foods are being properly cooled, that they are reheated to 165oF, that they are cooked to the required temperatures, that they are held hot above 140oF, etc. by using a thermometer. TOXIC ITEMS 8c Improperly used PUBLIC HEALTH SIGNIFICANCE Failure to use cleaners, sanitizers, and other chemicals properly can be very dangerous. Directions listed on container labels must be followed correctly. Failure to follow stated instructions could result in injury to workers or customers. Sanitizers must be used at the proper concentrations: Chlorine 50 ppm, Quaternary Ammonia 200 ppm, and Iodine 12.5 ppm. High levels of sanitizers or soaps can leave harmful residues. TESTING DEVICES 11c Chemical test kits not provided; inaccessible PUBLIC HEALTH SIGNIFICANCE The temperature of the wash and rinse water is a critical factor effecting cleaning and sanitizing of equipment and utensils. It is important that warewashing machines and high-temperature three-compartment warewashing sinks are therefore equipped with accurate thermometers to measure water temperatures. Sanitzer test kits must also be provided and used by food workers to ensure that the concentration of any chemical sanitizers being used are correct. Warewashing machines are required to operate at specific water flow pressures. Water flow pressure can greatly effect how well a dishmachine will sanitize. Low water flow pressure results in inadequate spray patterns and incomplete coverage of the equipment and utensils being washed. Excessive flow pressures will atomize water droplets and again result in incomplete coverage. A pressure gauge installed on the dishmachine’s final rinse line allows workers to monitor the water flow pressure of a dishmachine.
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