ML20042C573
| ML20042C573 | |
| Person / Time | |
|---|---|
| Issue date: | 03/26/1982 |
| From: | Sreniawski D NRC OFFICE OF INSPECTION & ENFORCEMENT (IE REGION III) |
| To: | Grodi M CINCINNATI, UNIV. OF, COLLEGE OF MEDICINE, CINCINNATI |
| References | |
| NUDOCS 8203310538 | |
| Download: ML20042C573 (2) | |
Text
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f7 License Z University of Cincinnati Medical Center 6903-12 Christian Holmes Division A'ITN: Michael E. Grodi Assistant Administrator Eden and Bethesda Avenue Cincinnati, Ohio 45219 Gentlemen:
This refers to the routine safety inspection conducted by Messrs.
J. L. Lynch and J. R. Mu11auer of this office on March 8, 1982, of activities authorized by NRC Byproduct Material License No. 34-06903-12 and to the discussion of our findings with you at the conclusion of the inspection.
The inspection was an examination of activicies conducted under your license as they relate to radiation safety and to compliance with the Commission's rules and regulations and with the conditions of your license. The inspec-tion consisted of a selective examination of procedures and representative records, observations, independent measurements, and interviews with personnel.
This inspection also included a measurement of the output of your tele-therapy equipment. Our measurement was made using a Victoreen Model 570 Condenser R-Meter with Model 621 chamber, calibrated by the National Bureau of Standards Laboratory. The source-to-chamber distance was 80 centimeters and the field size used was ten by ten centimeters. After applying standard correction factors for temperature, pressure, attenua-tion, inverse square, timer error, and roentgen-to-rad conversion, our measurement of the output of your t eletherapy equipment was 77.8 rads per minute. The most recent full calibration of your teletherapy equipment, conducted on February 11, 1982, reported a measured output for the same exposure parameters of 79.3 rads per minute. Applying a correction factor to account for 25 days decay, the value calculated from the February 11, 1982, calibration becomes 78.6 rads per minute.
Based on the close agreement in measured output values, we feel the actual output of your telethorapy equipment to be within established guidelines of 15 percent.
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Medical Center In addition to the above areas, the inspectors examined actions described in your letter dated January 7, 1977, regarding apparent items of noncompliance found during our December 8,1976, inspection. We have no further questions regarding these matters.
No items of noncompliance with NRC requirements were identified during the course of this inspection.
We will gladly discuss any questions you have concerning this inspection.
Sincerely, D. J.
reniawski, Chief Materials Radiation Protection Section 2 cc: Kenneth Fritz,-Radiation Safety Officer DMB/ Document Control Desk (RIDS) 6 RII RI RIII Mun u so L
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