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 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.