9 CFR § 108.9 - Dressing rooms and other facilities.
Each licensed establishment shall have dressing rooms, toilet facilities, and lavatory accommodations, including hot and cold running water, soap, towels, and the like. They shall be in sufficient number, ample in size, conveniently located, properly ventilated, and meeting all requirements as to sanitary construction and equipment.
(a) These rooms and facilities shall be separate from rooms or compartments in which biological products are prepared, handled, or stored.
(b) These rooms and facilities shall be so located in the establishment as to be readily accessible to all persons without having to enter or pass through biological products preparation areas.