Toilet rooms shall be completely enclosed and shall be vented to the outside air or mechanically ventilated. None of the operations connected with food establishments shall be conducted in any room used as living or sleeping quarters.

All parts of the food establishment and all parts of the property used in connection with the operation of the establishment shall be kept neat and clean and should not produce any offensive odors. Cleaning equipment shall be properly stored away from food, utensils, equipment, and clean linens.