South Carolina Code of Regulations
Chapter 5 - DEPARTMENT OF AGRICULTURE
Article 9 - MILK
Section 5-433 - Sampling Milk and Cream
Current through Register Vol. 48, No. 3, March 22, 2024
1. Milk and/or cream to be tested must be thoroughly mixed before sampling.
2. When daily tests of each delivery are made, the sample must contain not less than 60 milliliters of milk and/or cream. The remaining portion of the daily sample must be held at least 24 hours under refrigeration and in condition for retesting.
3. Unless daily tests are made, composite samples are required. Composite samples must consist of aliquot (proportional) parts of milk of several deliveries from the same patron, kept by the use of a preservative. In no case shall the aliquot be less than 10 milliliters from each delivery.
4. Preserved composite milk samples must be stored during sampling period in a cabinet or some other storage place that is refrigerated to maintain a temperature at 35 to 45 degrees Fahrenheit. It will be the responsibility of the licensed sampler to keep unauthorized persons from tampering with the samples.
5. Composite samples shall consist of and contain the milk from seven days production if the pay period is seven days, ten days production if the pay period is ten days, and fifteen days production if the pay period is semi-monthly. In the case of ten and fifteen day periods the last period of each month may be adjusted from eight to eleven days and 13 to 16 days respectively, depending on the number of days in the month. No exceptions shall be made except in the case of milk deemed unfit for sampling as in the case of churning, oiling-off, and freezing, or in the case of rejected milk. It is recommended but not required that samples for compositing from two days production consist of twenty milliliters minimum rather than ten milliliters. When samples for compositing are taken from two days production, each pay period regardless of length, may be one day more or one day less than stated above.
6. Composite samples to be tested for milk fat must be tested not later than the third day after the end of the sampling period. Composite samples must be held under refrigeration and in condition for retesting for a maximum of 10 days beyond the end of the sampling period to permit check testing by inspectors.
7. Composite samples, while being compiled, must be stored in the processing plant at all times.
