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.
Floors, walls, ceilings, or attached equipment dirty, damaged, or poorly vented.
Mops, brooms, and other cleaning and maintenance equipment stored or maintained improperly.