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

(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.

Five Year Review (FYR) Dates: 06/12/2015 and 06/01/2020
Promulgated Under: 119.03
Statutory Authority: 3748.02, 3748.04
Rule Amplifies: 3748.04
Prior Effective Dates: 8/15/2005, 10/4/10