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.
Floors, walls, ceilings, or attached equipment dirty, damaged, or poorly vented.
Surfaces that touch food — cutting boards, ice bins, dish racks — soiled or not sanitized.