Food held, cooled, cooked, or reheated outside safe temperatures, letting dangerous bacteria multiply.
Cleaning chemicals or other toxic substances unlabeled or stored where they can reach food.
Dish machine or sinks not set up or working properly, or missing sanitizer test kit and gauges.
Surfaces that touch food — cutting boards, ice bins, dish racks — soiled or not sanitized.
Clean equipment and utensils stored improperly or not air-dried.