Pennsylvania Code
Title 7 - AGRICULTURE
Part VI - Milk Marketing Board
Chapter 144 - ELECTRONIC METHODS FOR TESTING MILK FOR FAT AND COMPONENT CONTENT
Section 144.5 - Instrument calibration
Current through Register Vol. 54, No. 12, March 23, 2024
(a) Calculation of calibration results. An instrument shall be considered to be calibrated properly when the average difference between the instrument results for butterfat and protein and the reference method results for at least ten different control samples, called mean average, is +/-0.04 and the standard deviation of the difference between the instrument and reference methods, called standard deviation, is 0.04 or less. For all solids the mean average is +/-0.09 and the standard deviation of the differences between the instrument and reference methods is 0.12 or less for those same ten samples.
(b) Conditions requiring calibration.
The provisions of this § 144.5 amended under section 307 of the Milk Marketing Law (31 P. S. § 700-307).