COMANCHE COUNTY HOSPITAL AUTHORITY

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COMANCHE COUNTY HOSPITAL AUTHORITY

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P o DOX 179 L AWTON OKLAHOMALE^2 42MjQ _,

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December 13, 1989

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Nuclear Regulatory Commission, Region IV

ATTN Mr. Selvan Rajendran, Health Physicirr.

611'Ryan Plaza Drive, Suite 1000

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Arlington, TX 76011

Gentlemen

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fDuring your NRC. inspection conducted on October 31, 1989, a

violation'of NRC requirements was identified.

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The1 violation 3 10 CFR 35.50(b)(3) requiring that the dose

calibration linearity-test be performed over the range of its BSK

between the highest dosage that will be administered to a patient

and 10 microcuries.

-In response to this violation the following action has been takens

1. The reason for the violation A. Dose calibrator linearity test are performed by a private company, Radiation Services and Consultants,-Inc.

B. New changes in 10 CFR 35.50(b)(3) made.in 1987

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failed to be identified by our health'physicir.t

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and our Nuclear Medicine Department.

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2. Corrective steps which have been taken and the

results achieved

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A. The Health Physicist employed by Comanche County

Memorial Hospital has since been notified of the

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NRC violation.

B. Another dose calibrator linearity test was performed in accordance with 10 CFR 35.50 (b)(3) The results are enclosed for your inspection.

3. The results of all future dose calibrator linearit y tests will be monitored by the Radiation Safety Officer as well as the Nuclear Medicine Supervisor

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COMANCHE COUNTY HOSPITAL AUTHORITY q

P O fiOk 129*L AWTON ONL AHOVA73502 405 3L5 8620

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RANDY L. CURHY

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4. The date when full compliance will be achieved

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A. As of December 8, 1989 dose calibrator linearity

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test was completed in accordance with NRC

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Radiation Safety Officer

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Nuclear Medicine supervisor

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-APPENDIX NOTICE OF VIOLATION

Comanche County Memorial Hospital Lawton, Oklahoma

Docket 30-12272/89-01 License 35-17144-01

During an NRC inspection conducted on October 31, 1989, a violation of NRC requirements was identified. -In accordance with the " General Statement of

Policy and Procedure for NRC Enforcement Actions," 10 CFR Part 2, Appendix C

(1989) (Enforcement Policy), the violation is listed below:

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10 CFR 35.50(b)(3) requires that the dose calibrator linearity test be

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performed over the range of its use between the highest dosage that will be

administered to a patient and 10 microcuries.

Contrary to the above, as of October 31, 1989, dose calibrator linearity tests were not performed.down to the range of 10 microcuries. This is a Severity Level IV violation. (Supplement VI)

Pursuant to the provisions of 10 CFR 2.201, Comanche County Memorial Hospital

is hereby required to submit to this office, within 30 days of the date of the letter transmitting this Notice, a written statement or explanation in reply, including for each violation: (1) the reason for the violation if admitted, (2) the corrective steps which have been taken and the results achieved, (3) the corrective steps which will be taken to avoid further violations, and (4) the date when full compliance will be achieved. Where good cause is shown, consideration will be given to extending the response time. -

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Dated at Arlington, Texas,

this 30th day of November, 1989

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EXHIBIT 8

Dose Calibrator Linearity Test

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