Food from an unapproved supplier, unsafe or spoiled food, missing shellfish harvest tags, or raw fish without required parasite destruction.
Water not safe, or hot (100°F) and cold water not available under pressure.
Food-contact or nonfood-contact surfaces improperly designed, constructed, maintained, or located.
High-risk food (like meat) thawed improperly, promoting bacterial growth.
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.