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.
Plumbing not installed or maintained properly — leaks, mop sink issues, unserviced water filters, or missing backflow prevention.
Shelves, counters, handles, or equipment exteriors soiled with grease, debris, or dust.
Garbage overflowing or uncovered, or the premises not maintained.