Employees shall wash their hands before beginning work and upon returning to work after using toilet facilities, eating, smoking or otherwise soiling their hands. Employees shall keep their hands clean and follow good hygienic practices while on duty. Expectorating or use of tobacco in any form shall be prohibited in each room and compartment where any milk, dairy product or supplies are prepared, stored or otherwise handled. Clean white or light-colored washable outer garments, hair nets and adequate hair covering shall be worn by all persons engaged in receiving, testing, processing milk, manufacturing, packaging or handling dairy products.
7 Pa. Code § 59a.305