Food from an unapproved supplier, unsafe or spoiled food, missing shellfish harvest tags, or raw fish without required parasite destruction.
Raw meat, poultry, or seafood not separated from ready-to-eat food, or food left unprotected during prep, storage, or display.
Water not safe, or hot (100°F) and cold water not available under pressure.
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.