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.
Missing consumer advisory for raw or undercooked items, ready-to-eat food not date-marked, or food not properly labeled.
Surfaces that touch food — cutting boards, ice bins, dish racks — soiled or not sanitized.
Scoops and other in-use utensils stored improperly (e.g. handle down in the food).
Plumbing not installed or maintained properly — leaks, mop sink issues, unserviced water filters, or missing backflow prevention.