A plant may not accept milk from a producer if one of the following occurs:

1. (1) The producer’s initial milk shipment to a plant is classified as No. 3 for sediment content, as described in § 59a.108 (relating to sediment content classification).
2. (2) The milk has been in a probational (No. 3) sediment content classification for more than 10-calendar days.
3. (3) Three of the last five milk samples have exceeded the maximum bacterial estimate of 500,000 per milliliter, as described in § 59a.109 (relating to bacterial estimate classification).
4. (4) Three of the last five milk samples have exceeded the maximum somatic cell count level of 750,000 per milliliter (1,500,000/ml for goat milk), as described in § 59a.110 (relating to somatic cell count).
5. (5) The producer’s milk shipments to either the Grade ‘‘A’’ milk market or the manufacturing grade milk market are currently prohibited due to a positive drug residue test.
6. (6) The milk contains added water. For purposes of this requirement, samples analyzed for added water and found to have a freezing point above -0.525° F (0.508° C) shall be considered adulterated unless proven free of added water.