Roaches, rodents, flies, or other pests present — or doors and openings that let them in not protected.
Water not safe, or hot (100°F) and cold water not available under pressure.
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.