Food held, cooled, cooked, or reheated outside safe temperatures, letting dangerous bacteria multiply.
Food from an unapproved supplier, unsafe or spoiled food, missing shellfish harvest tags, or raw fish without required parasite destruction.
Dish machine or sinks not set up or working properly, or missing sanitizer test kit and gauges.
High-risk food (like meat) thawed improperly, promoting bacterial growth.
Scoops and other in-use utensils stored improperly (e.g. handle down in the food).
Surfaces that touch food — cutting boards, ice bins, dish racks — soiled or not sanitized.