(a) Each milk plant must provide employees with adequate, readily accessible toilet facilities. Toilet facilities shall be kept clean and shall not be a potential source of contamination of food, food-contact surfaces, or food-packaging materials.

(b) Toilet rooms do not open directly into any room in which milk and/or milk products are processed.

(c) Toilet rooms are completely enclosed and have tightfitting self-closing doors.

(d) Dressing rooms, toilet rooms and fixtures are kept in a clean condition, in good repair, and are well ventilated and well lighted.

(e) Toilet tissue and easily cleanable covered waste receptacles are provided in toilet rooms.

(f) All plumbing shall be installed to meet the applicable provisions of the State or local plumbing code. Plumbing shall be of adequate size and design and adequately installed and maintained to ensure that there is not backflow from, or cross-connection between, piping systems that discharge waste water or sewage and piping systems that carry water for food or food manufacturing.

(g) Sewage and other liquid wastes shall be disposed of in a sanitary manner. Plumbing shall be of adequate size and design and adequately installed and maintained to properly convey sewage and liquid disposable waste from the milk plant. Sewage must be disposed of into an adequate sewerage system or disposed of through other adequate means.

(h) Non-water-carried sewage disposal facilities are not used.

(i) A durable, legible sign is conspicuously posted in each toilet and dressing room, directing employees to wash their hands before returning to work.