Sec. 2.26. Cooling—Item 19r

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Milk shall be cooled in accordance with the following requirements:
(a) Prepasteurized milk for Grade A use is cooled to 45°F (7°C) or less within two hours after milking; provided, that the blend temperatures of subsequent milkings shall not exceed 50°F (10°C). Prepasteurized milk for non-Grade A use is cooled to 55°F (13°C) or less within two hours after milking and received by the milk plant at 60°F (16°C) or less, except that morning milk need not be cooled if received by a milk plant, receiving station or transfer station before 10:00 a.m.
(b) Recirculated cold water which is used in plate or tubular coolers or heat exchangers is from a safe source and protected from contamination. Such water shall be tested semiannually and shall comply with the bacteriological standards cited in section 2.15 of this Part (Item 8r).

                    
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