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.
High-risk food (like meat) thawed improperly, promoting bacterial growth.
Surfaces that touch food — cutting boards, ice bins, dish racks — soiled or not sanitized.
Mops, brooms, and other cleaning and maintenance equipment stored or maintained improperly.