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.
Cleaning chemicals or other toxic substances unlabeled or stored where they can reach food.
Water not safe, or hot (100°F) and cold water not available under pressure.
Food-contact or nonfood-contact surfaces improperly designed, constructed, maintained, or located.
Plumbing not installed or maintained properly — leaks, mop sink issues, unserviced water filters, or missing backflow prevention.