7 Pa. Code § 59a.107
The appearance of acceptable raw milk for manufacturing purposes must be normal and free of excessive coarse sediment when examined visually or by the methods described in § 59a.108(a) (relating to sediment content classification). The milk may not show any abnormal condition including curdles, ropy, bloody or mastitic conditions, as indicated by visual examination of the milk. The odor must be fresh and sweet. The milk must be free from objectionable feed and other off-odors that would adversely affect the finished product.
7 Pa. Code § 59a.107
This section cited in 7 Pa. Code § 59a.105 (relating to approved milk graders); 7 Pa. Code § 59a.108 (relating to sediment content classification); 7 Pa. Code § 59a.112 (relating to rejected milk); and 7 Pa. Code § 59a.114 (relating to inspection and quality testing of milk from producers).