All employees who handle food shall wash their hands as often as necessary to maintain a high degree of personal cleanliness and should conform to hygienic practices prescribed by the Board of Health.

All necessary control measures shall be used to effectively minimize or eliminate the presence of rodents, roaches, and other vermin and insects on the premises of all food establishments, in food-transporting vehicles, and in vending machines.

A certified food service manager must be present in all establishments at which potentially hazardous food is prepared or served.

When toilet and lavatory facilities are provided for the patrons of food establishments, such facilities shall be adequate in number, convenient, accessible, properly designed, and installed according to the municipal code.

In all food establishments, toilet facilities shall be kept clean and in good repair and shall include an adequate supply of hot and cold or tempered water, soap, and approved sanitary towels or other approved hand-drying devices.

All utensils shall be thoroughly cleaned and sanitized after each usage. All food and non-food contact surfaces of equipment and all food storage utensils shall be thoroughly cleaned and sanitized daily.

The floors shall be constructed per code, be smooth and easily cleaned, and be kept clean and in good repair.

The walls and ceilings shall be in good repair and easily cleaned. Use dustless cleaning methods.

All rooms in which food or drink is prepared, or in which utensils are washed, shall be lighted so that a minimum of 50-foot candles of light is available on all work surfaces. Shielding to protect against broken glass falling into food shall be provided for all artificial lighting sources in preparation, service, and display facilities.

The flow of air discharged from kitchen fans shall always be through a duct to a point above the roofline. All plumbing fixtures, such as toilets, sinks, washbasins, etc., must be adequately trapped, vented, and re-vented and properly connected to the sewer in accordance with the plumbing chapter of the Municipal Code of Chicago and the Rules and Regulations of the Board of Health.

All food establishments that display, prepare, or store potentially hazardous foods shall have calibrated metal stem thermometers, provided and conspicuous, for refrigerated and hot food units.

All parts of the food establishment and all parts of the property used in connection with the operation of the establishment shall be kept neat and clean and should not produce any offensive odors. Cleaning equipment shall be properly stored away from food, utensils, equipment, and clean linens.