Composite and fresh samples shall be maintained at a temperature of between 0.0°C and 4.4°C. When daily additions to composites are made, composite samples shall not be unrefrigerated for more than 30 minutes.
7 Pa. Code § 143.26
The provisions of this §143.26 amended under section 307 of the Milk Marketing Law (31 P. S. § 700j-307).