Current through Register Vol. 48, 12, December 27, 2024
Section 61-63.IV.C.RHA 4.26 - Calibration of Survey Instruments4.26.1 A licensee shall calibrate the survey instruments used to show compliance with this part and Part III before first use, annually, and following a repair that affects the calibration. A licensee shall-- 4.26.1.1 Calibrate all scales with readings up to 10 mSv (1000 mrem) per hour with a radiation source;4.26.1.2 Calibrate two separated readings on each scale or decade that will be used to show compliance; and4.26.1.3 Conspicuously note on the instrument the date of calibration.4.26.2 A licensee may not use survey instruments if the difference between the indicated exposure rate and the calculated exposure rate is more than 20 percent.4.26.3 A licensee shall retain a record of each survey instrument calibration in accordance with RHA 4.94.S.C. Code Regs. § 61-63.IV.C.RHA 4.26