Rule 3701:1-58-24. Calibration of survey instruments

119.03 (A) A licensee shall calibrate the survey instruments used to show compliance with this chapter and Chapter 3701:1-38 of the Administrative Code before first use, annually, and following a repair that affects the calibration. A licensee shall: (1) Calibrate all scales with readings up to ten millisievert (one thousand millirem) per hour with a radiation source; (2) Calibrate two separate readings on each scale or decade that will be used to show compliance; and (3) Conspicuously note on the instrument the date of calibration. (B) A licensee may not use survey instruments if the difference between the indicated exposure rate and the calculated exposure rate is more than twenty per cent. (C) A licensee shall retain a record of each survey instrument calibration in accordance with rule 3701:1-58-78 of the Administrative Code. Last updated November 18, 2022 at 8:32 AM Supplemental Information Authorized By: 3748.02 , 3748.04 Amplifies: 3748.04 4/7/2027 8/15/2005