Hands not washed or gloves not changed when required, or employees eating, drinking, or smoking in food areas.
Food from an unapproved supplier, unsafe or spoiled food, missing shellfish harvest tags, or raw fish without required parasite destruction.
Food held, cooled, cooked, or reheated outside safe temperatures, letting dangerous bacteria multiply.
Roaches, rodents, flies, or other pests present — or doors and openings that let them in not protected.