Food held, cooled, cooked, or reheated outside safe temperatures, letting dangerous bacteria multiply.
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.
Surfaces that touch food — cutting boards, ice bins, dish racks — soiled or not sanitized.
Shelves, counters, handles, or equipment exteriors soiled with grease, debris, or dust.
Floors, walls, ceilings, or attached equipment dirty, damaged, or poorly vented.