ATCP 70.20(4)(b) (b) An operator shall apply chemicals, under par. (a), according to label directions using an automatic proportioning device. Treated water shall be held for the period of time specified on the chemical label before it is used as ingredient water or operations water. An operator shall conduct a daily testing program for any chemical added to water, to ensure that the chemical concentration does not adulterate food.

ATCP 70.20(5) (5) Re-circulated water systems.

ATCP 70.20(5)(a) (a) If re-circulated water used in a cooler or heat exchanger may come in contact with any food product or food contact surface, the re-circulated water shall be all of the following:

ATCP 70.20(5)(a)1. 1. Obtained from a source that complies with chs. NR 811 or 812, as applicable.

ATCP 70.20(5)(a)2. 2. Bacteriologically safe.

ATCP 70.20(5)(a)3. 3. Protected from contamination.

ATCP 70.20(5)(a)4. 4. Tested by the operator for compliance with subd. 2. at 6 month intervals.

ATCP 70.20(5)(b) (b) If a re-circulating water system, under par. (a), becomes contaminated, that system may not be used until it is properly treated and analytical results indicate that the contamination has been eliminated.

ATCP 70.20(5)(c) (c) Freezing point depressants used in re-circulating water systems, under par. (a), shall be nontoxic.

ATCP 70.20(6) (6) Water and potable liquids transported in bulk.

ATCP 70.20(6)(a) (a) Water transported to a food processing plant in a bulk tanker or bulk container, for use as an ingredient or in other plant operations, shall be potable and shall be obtained from a source that complies with ch. NR 811 or 812.

ATCP 70.20(6)(b) (b) Whenever potable water or another potable liquid is transported to or from a food processing plant in a bulk tanker or bulk container, it shall be loaded, transported, and unloaded in a sanitary manner that prevents contamination. The bulk tanker or bulk container shall be thoroughly cleaned and sanitized before being filled. Suitable pumps, hoses, and fittings shall be used to transfer potable water and potable liquids to and from bulk tankers, and bulk containers, and shall be cleaned and sanitized prior to use.

ATCP 70.20(6)(c) (c) Whenever potable water or another potable liquid is transported to or from a food processing plant in a bulk tanker or bulk container, the bulk tanker or bulk container and each of its fittings and equipment shall meet all of the following requirements:

ATCP 70.20(6)(c)1. 1. It shall be properly constructed and maintained to prevent contamination of the potable water or potable liquid. Water contact surfaces shall comply with s. ATCP 70.12 (2).

ATCP 70.20(6)(c)2. 2. It shall be cleaned, sanitized, and inspected on a routine basis.

ATCP 70.20(6)(c)3. 3. It may not be used to transport materials that may contaminate potable water or potable liquid that is subsequently transported in the bulk tanker or bulk container.

ATCP 70.20(6)(c)4. 4. It shall be effectively sealed to protect the potable water or potable liquid from contamination during transit.

ATCP 70.20 Note Note: Effective sealing systems include manhole cover gaskets and seals.

ATCP 70.20(6)(c)5. 5. It shall be properly stored and serviced to prevent contamination. When not in use, pumps, hoses, and fittings shall be properly maintained, capped, stored, and protected from contamination.

ATCP 70.20(7) (7) Culinary steam. Water used to produce culinary steam shall be potable. Water reclaimed from food processing operations may not be used to produce culinary steam unless it complies with sub. (3) (a) or (b). In boilers used to produce culinary steam, boiler water additives shall comply with 21 CFR 173.310.

ATCP 70.20(8) (8) Ice. Ice used to cool or maintain the temperature of foods shall be made from potable water. Ice used to cool or maintain the temperature of ready-to-eat foods shall not have been previously used for any other purpose. Ice shall be received, handled, and stored in a manner to prevent contamination or adulteration. Any ice which is not made on site shall be inspected upon receipt, and rejected if it is delivered in a way that has not adequately protected the ice from contamination.

ATCP 70.20 History History: CR 17-073: cr. Register January 2020 No. 769, eff. 2-1-20; correction in (1) (c), (2) (c), (6) (a) made under s. 35.17, Stats., Register January 2020 No. 769.

ATCP 70.22 ATCP 70.22 Food ingredients.

ATCP 70.22(1) (1) General. Food ingredients shall be safe, wholesome, and unadulterated, and shall comply with applicable standards of identity under s. 97.09, Stats. Raw agricultural commodities and other food ingredients shall be segregated and examined as necessary to determine whether they are clean and fit for processing. Processed foods and dairy products which are used as food ingredients shall be obtained from sources which comply with applicable licensing and inspection requirements.

ATCP 70.22(2) (2) Eggs and egg products. Only clean whole eggs, pasteurized eggs in liquid, frozen or dry form, or pasteurized egg products may be used in food processing. Eggs and egg products may be pasteurized during processing. Clean whole eggs shall be equivalent to USDA Grade B or better with shells intact.

ATCP 70.22 History History: CR 17-073: cr. Register January 2020 No. 769, eff. 2-1-20.

ATCP 70.24 ATCP 70.24 Food handling and storage.

ATCP 70.24(1) (1) General. Food shall be protected from contamination and decomposition while being processed, handled, conveyed, or held at a food processing plant. Food shall be processed and held in a manner which keeps the food in a safe, wholesome, and unadulterated condition. Potentially hazardous foods shall be processed and held at temperatures, or in a manner, which minimizes the potential for growth of undesirable microorganisms.

ATCP 70.24(2) (2) Food storage. Food storage areas shall be maintained in a clean, sanitary, and orderly condition, free from conditions which may result in the adulteration of food. Potentially hazardous foods shall be stored at safe temperatures. Storage areas shall be constructed and maintained so that waste water and other waste liquids do not drain into, or accumulate in, any storage area. Food shall not be stored in a manner which may attract or harbor pests.