Cleaning chemicals or other toxic substances unlabeled or stored where they can reach food.
Dish machine or sinks not set up or working properly, or missing sanitizer test kit and gauges.
Surfaces that touch food — cutting boards, ice bins, dish racks — soiled or not sanitized.
Single-use items (cups, straws, to-go containers) stored or handled improperly.
Plumbing not installed or maintained properly — leaks, mop sink issues, unserviced water filters, or missing backflow prevention.