1. a) Sediment and bacterial test results on raw milk from each producer: Retain for 12 months.

   1. 1) Routine tests and monthly summary of all producers showing number and percent of total in each class.
   2. 2) Retests, if initial test places milk in probationary status.
   3. 3) Rejections of raw milk over No. 3 in quality.
2. b) Pasteurization recorder charts: Retain for 6 months.
3. c) Water supply test certificate: Retain current copy for 6 months.

Plant records shall be maintained of all tests required by this Part on all raw milk receipts. Such records shall be available for examination by the Department. The following are the records which shall be maintained for examination at the plant or receiving station where performed.