Dish machine or sinks not set up or working properly, or missing sanitizer test kit and gauges.
Handwash sink missing, blocked, or used for other purposes, or missing soap, towels, or the handwash sign.
Floors, walls, ceilings, or attached equipment dirty, damaged, or poorly vented.
High-risk food (like meat) thawed improperly, promoting bacterial growth.
Surfaces that touch food — cutting boards, ice bins, dish racks — soiled or not sanitized.