Sanitary milk pumps at milk products plants for unloading or loading tankers may be installed outside of plant, provided: the tank truck for loading or unloading is on a concrete platform that is curbed, if necessary, and sloped to a drain; that this area be provided with overhead protection; that the pump be installed at least one foot above surrounding area; that all openings to pump be protected when not in use; and that provisions be made for washing and sterilizing of the pump and appurtenances.