Food held, cooled, cooked, or reheated outside safe temperatures, letting dangerous bacteria multiply.
Missing or inaccurate food and equipment thermometers.
Floors, walls, ceilings, or attached equipment dirty, damaged, or poorly vented.
Scoops and other in-use utensils stored improperly (e.g. handle down in the food).
Missing hair or beard restraint, dirty work clothes, jewelry, or painted/artificial fingernails during food prep.
Surfaces that touch food — cutting boards, ice bins, dish racks — soiled or not sanitized.