1. (a) The certified tester and testing facility or laboratory shall maintain the records listed in this section for at least 2 years. Records may be maintained in paper or electronic formats. Records must denote the record date. The name and license number of the certified tester who created or maintained the records must be included in the records or be readily available upon request.
2. (b) Records of calibrations, accuracy checks, mean average and standard deviation computations and other instrument use are required.
3. (c) Records of the operation and maintenance of each electronic testing instrument and records of test results by electronic method are required.

4. (d) Certified testers shall record standard deviation of the calibration verification as follows:

   1. (1) The results of individual samples by reference method (average only for reference method) and electronic method.
   2. (2) The date of computation, name and license number of certified tester.

5. (e) Certified testers operating electronic testing equipment shall perform a daily accuracy check and record the following:

   1. (1) Reference method used, sample identification, individual test results and average test.
   2. (2) Electronic method used, time, sample identification, individual test results and average test results.

Authority

The provisions of this § 144.6 amended under section 307 of the Milk Marketing Law (31 P.S. § 700j-307).

Source

The provisions of this § 144.6 amended January 11, 2013, effective January 12, 2013, 43 Pa.B. 216. Immediately preceding text appears at serial page (237851).