(a) The definitions and standards contained in chapters 15.32 and 69.04 RCW shall apply under this order unless the context of this order clearly indicates otherwise.

(b) Frozen desserts means ice cream, frozen custard, ice milk, nonfat frozen dairy dessert, dietetic frozen desserts, fruit sherbets, and water ices. Such terms shall also include any food product which is prepared or manufactured and which contains as an ingredient a substantial portion of any of the above mentioned frozen desserts.

(c) The terms "pasteurization," "pasteurized" and similar terms used in this order shall mean heating every particle of the product to a temperature of not less than 155 degrees Fahrenheit and holding continuously for at least thirty minutes in approved and properly operated equipment or heating to a temperature of not less than 175 degrees Fahrenheit for not less than 25 seconds continuously in approved and properly operated equipment.

(d) All frozen desserts shall be manufactured, processed, and pasteurized to conform with a bacteriological standard of not to exceed 50,000 per milliliter and a coliform limit not exceeding 10 per milliliter as determined by Standard Methods for the Examination of Dairy Products of the American Public Health Association, and the 11th Edition of Official Methods of Analyses of the Association of Official Agricultural Chemist. The frozen desserts shall be properly pasteurized as evidenced by the phosphatase test.