Food held, cooled, cooked, or reheated outside safe temperatures, letting dangerous bacteria multiply.
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.
Dirty wiping cloths not stored in sanitizer, or soiled linens handled improperly.