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(1) The equipment, sanitary piping, and utensils used in receiving and processing of the milk, and manufacturing and handling of the product must be maintained in a sanitary condition. Sanitary seal assemblies must be removable on all agitators, pumps, and vats, be inspected at regular intervals, and be kept clean. Unless other provisions are recommended in the following supplemental sections, all equipment not designed for CIP cleaning must be disassembled after each day's use for thorough cleaning. Dairy cleaners, detergents, wetting agents, sanitizing agents, or other similar materials which will not contaminate or adversely affect the products may be used. Steel wool or metal sponges may not be used in the cleaning of any dairy equipment or utensils.   All product contact surfaces must be subjected to an effective sanitizing treatment immediately prior to use, except where dry cleaning is permitted. Utensils and portable equipment used in processing and manufacturing operations must be stored above the floor in clean, dry locations and in a self-draining position on racks constructed of impervious corrosion-resistant material.

(2) CIP cleaning, including spray-ball systems, may be used only on equipment and pipeline systems which have been designed and engineered for that purpose. When such cleaning is used, careful attention must be given to the proper procedures to assure satisfactory cleaning. All CIP installations and cleaning procedures must be in accordance with 3-a suggested method for the installation and cleaning of cleaned-in-place sanitary milk pipelines for milk and milk products plants. Because of the possibilities of corrosion, the recommendations of the cleaning compound manufacturer should be followed with respect to time, temperature and concentration of specific acid or alkaline solutions and bactericides.

(3) CIP cleaning operations should be preceded by a thorough rinse at approximately 110 - 115 F. continuously discarding the water. Following the circulation of the cleaning solution the equipment and lines must be thoroughly rinsed with lukewarm water and checked for effectiveness of cleaning. All caps, plugs, special fittings, valve seats, cross ends, pumps, plates, and tee ends must be opened or removed and brushed clean. Immediately prior to starting the product flow the product contact surfaces shall be given bactericidal treatment. Plates and pumps should be left open over-night, assembled and sanitized prior to use.

History: Secs. 81-2-102, 81-22-102 MCA; IMP, Secs. 81-2-102, 81-22-102 MCA; Eff. 12/31/72.

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