Food from an unapproved supplier, unsafe or spoiled food, missing shellfish harvest tags, or raw fish without required parasite destruction.
Food held, cooled, cooked, or reheated outside safe temperatures, letting dangerous bacteria multiply.
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.
Floors, walls, ceilings, or attached equipment dirty, damaged, or poorly vented.