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This website publishes administrative rules on their effective dates, as designated by the adopting state agencies, colleges, and universities.

Rule 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.

Last updated November 18, 2022 at 8:32 AM

Supplemental Information

Authorized By: 3748.02, 3748.04
Amplifies: 3748.04
Five Year Review Date: 4/7/2027
Prior Effective Dates: 8/15/2005