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.
Cleaning chemicals or other toxic substances unlabeled or stored where they can reach food.
Surfaces that touch food — cutting boards, ice bins, dish racks — soiled or not sanitized.
High-risk food (like meat) thawed improperly, promoting bacterial growth.
Floors, walls, ceilings, or attached equipment dirty, damaged, or poorly vented.