All measuring equipment must be calibrated according to the manufacturer's recommended calibration schedule, but no less than annually, to meet the manufacturer's specifications for the accuracy and resolution of the equipment. Measuring equipment may not be used after its next "calibration due" date for measurements or tests conducted during a stray voltage investigation. Calibration is performed by either:
S.D. Admin. R. 20:10:39:11
General Authority: SDCL 49-47-2.
Law Implemented: SDCL 49-47-2, 49-47-3.