7 Pa. Code § 59a.334
Cooling equipment shall be provided with sufficient capacity to cool the products to 110° F or lower immediately after removal from dryer and prior to packaging. If bulk bins are used, the product should be cooled to approximately 90° F, but may not be more than 110° F. A suitable dry air supply with effective filtering shall be provided where air cooling and conveying is used.
This section cited in 7 Pa. Code § 59a.326 (relating to equipment and utensils).