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.
High-risk food (like meat) thawed improperly, promoting bacterial growth.
Scoops and other in-use utensils stored improperly (e.g. handle down in the food).
Missing hair or beard restraint, dirty work clothes, jewelry, or painted/artificial fingernails during food prep.
Surfaces that touch food — cutting boards, ice bins, dish racks — soiled or not sanitized.