Food from an unapproved supplier, unsafe or spoiled food, missing shellfish harvest tags, or raw fish without required parasite destruction.
Cleaning chemicals or other toxic substances unlabeled or stored where they can reach food.
Floors, walls, ceilings, or attached equipment dirty, damaged, or poorly vented.
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.