Handwash sink missing, blocked, or used for other purposes, or missing soap, towels, or the handwash sign.
Scoops and other in-use utensils stored improperly (e.g. handle down in the food).
High-risk food (like meat) thawed improperly, promoting bacterial growth.
Plumbing not installed or maintained properly — leaks, mop sink issues, unserviced water filters, or missing backflow prevention.