Food held, cooled, cooked, or reheated outside safe temperatures, letting dangerous bacteria multiply.
Food from an unapproved supplier, unsafe or spoiled food, missing shellfish harvest tags, or raw fish without required parasite destruction.
Raw meat, poultry, or seafood not separated from ready-to-eat food, or food left unprotected during prep, storage, or display.
Roaches, rodents, flies, or other pests present — or doors and openings that let them in not protected.
Missing or inaccurate food and equipment thermometers.
Surfaces that touch food — cutting boards, ice bins, dish racks — soiled or not sanitized.