Cleaning chemicals or other toxic substances unlabeled or stored where they can reach food.
Food held, cooled, cooked, or reheated outside safe temperatures, letting dangerous bacteria multiply.
A sick or symptomatic employee present, or staff unaware of when illness bars them from working with food.
Handwash sink missing, blocked, or used for other purposes, or missing soap, towels, or the handwash sign.
Surfaces that touch food — cutting boards, ice bins, dish racks — soiled or not sanitized.