(a) Only equipment directly related to processing operations or the handling of containers, utensils and equipment is permitted in the pasteurizing, processing, cooling, packaging, and bulk milk or whey storage rooms.
(b) All piping, floors, walls, ceilings, fans, shelves, tables and the non-product-contact surfaces of other facilities and equipment are clean and free of dust.
(c) No trash, solid waste or waste dry products are stored within the plant, except in covered containers.
(d) All rooms in which milk, milk products, whey, and condensed and dry milk products are handled, processed or stored, and/or in which containers, utensils or equipment are washed or stored, are kept clean, neat, and free of evidence of insects and rodents.
(e) Excessive product dust shall be kept under effective control by the use of exhaust and collective systems designed for in-plant dust control. Tailings and materials collected from exhaust collective systems shall not be used for human consumption.