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.
Surfaces that touch food — cutting boards, ice bins, dish racks — soiled or not sanitized.
Floors, walls, ceilings, or attached equipment dirty, damaged, or poorly vented.
High-risk food (like meat) thawed improperly, promoting bacterial growth.
Food-contact or nonfood-contact surfaces improperly designed, constructed, maintained, or located.