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Food-Service-Manual-for-Health-Care-Institutions

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<strong>Food</strong> <strong>Service</strong> <strong>Manual</strong> <strong>for</strong> <strong>Health</strong> <strong>Care</strong> <strong>Institutions</strong><br />

426<br />

• When chemicals are used <strong>for</strong> sanitizing in a single-tank, stationary-rack spray machine<br />

and glass washer, the following minimum temperatures should be maintained: wash temperature,<br />

120°F (49°C), and final rinse with chemical sanitizer, 75°F (24°C), or no less than the temperature<br />

specified by the machine’s manufacturer.<br />

• All dish-washing machines must be thoroughly cleaned after each meal and broken<br />

down and thoroughly cleaned after the last meal of the day.<br />

• When chemicals are used <strong>for</strong> sanitizing, they should be of a type approved by the local<br />

or state health authority. They should also be automatically dispensed in a high-enough concentration<br />

and <strong>for</strong> a long-enough period to provide effective bactericidal treatment (according<br />

to the manufacturer’s specifications).<br />

• After sanitization, all equipment and utensils must be air dried. Drain boards of adequate<br />

size <strong>for</strong> handling soiled and clean tableware should be provided. Mobile dish tables can<br />

be used <strong>for</strong> these tasks. Never towel dry dishes.<br />

• Temperatures <strong>for</strong> dish washing and pot washing should be taken each time the machine<br />

is used. Temperatures should be recorded on a chart posted in the area. The temperature <strong>for</strong><br />

wash and rinse should be recorded. Any variance should be noted on the chart, along with the<br />

action taken to correct it.<br />

• In areas where “hard” water is a problem, the machine should be delimed as needed.<br />

<strong>Manual</strong> Ware Washing<br />

The following standards should be observed <strong>for</strong> manual cleaning and sanitizing:<br />

• A sink with at least three compartments must be used <strong>for</strong> the manual washing, rinsing,<br />

and sanitizing of utensils and equipment. The compartments should be large enough to accommodate<br />

the largest equipment and utensils. Hot and cold water sources should be provided <strong>for</strong><br />

each compartment.<br />

• Drain boards or easily movable dish tables of adequate size should be provided <strong>for</strong> handling<br />

soiled utensils be<strong>for</strong>e washing and cleaning utensils after sanitizing.<br />

• Equipment and utensils should be preflushed or prescraped and, when necessary, presoaked<br />

to remove gross food particles. (Note: A fourth sink compartment equipped with a<br />

garbage disposal is useful <strong>for</strong> this purpose and could be easily included in plans <strong>for</strong> facilities<br />

being renovated and <strong>for</strong> new construction.)<br />

• Except <strong>for</strong> fixed equipment and utensils too large to be cleaned in sink compartments,<br />

the following work sequence should be followed:<br />

Wash equipment and utensils in the first sink compartment at a maintained temperature of<br />

not less than 110°F (43°C) with a hot detergent solution that is changed frequently to keep<br />

the compartment free from soil and grease.<br />

Rinse equipment and utensils with clean 120°F (49°C) water in the second compartment<br />

and change the water frequently.<br />

Sanitize equipment and utensils in the third compartment, using one of the following four<br />

methods: (1) Immerse the equipment and utensils <strong>for</strong> at least thirty seconds in clean hot<br />

water maintained at 120°F (49°C). A heating device is needed to maintain this temperature,<br />

and a thermometer should be used to check the temperature frequently. Dish baskets<br />

should be used to immerse utensils completely. (2) Immerse the equipment and utensils <strong>for</strong><br />

at least one minute in a clean solution that contains at least 50 parts per million (ppm)<br />

available chlorine as a hypochlorite or iodine or quaternary ammonium and a temperature<br />

of at least 75°F (24°C). (3) Immerse the equipment and utensils <strong>for</strong> at least one minute in<br />

a clean solution that contains at least 12.5 ppm available iodine and has a pH no higher<br />

than 5.0 and a temperature of at least 75°F (24°C). (4) Immerse the equipment and utensils<br />

in a clean solution that contains any other chemical sanitizer approved by local and<br />

state health authorities that will provide the equivalent bactericidal effect of a 50-ppm<br />

chlorine solution at 75°F (24°C) <strong>for</strong> one minute.<br />

All utensils and equipment should be air dried after sanitizing.

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