Food from an unapproved supplier, unsafe or spoiled food, missing shellfish harvest tags, or raw fish without required parasite destruction.
Roaches, rodents, flies, or other pests present — or doors and openings that let them in not protected.
Cleaning chemicals or other toxic substances unlabeled or stored where they can reach food.
Floors, walls, ceilings, or attached equipment dirty, damaged, or poorly vented.
Food-contact or nonfood-contact surfaces improperly designed, constructed, maintained, or located.
Surfaces that touch food — cutting boards, ice bins, dish racks — soiled or not sanitized.
High-risk food (like meat) thawed improperly, promoting bacterial growth.