ML20203C471

Annual Operating Rept for Jul 1985 - June 1986

ML20203C471
Person / Time
Site:	05000148
Issue date:	07/07/1986
From:	Rosson H KANSAS, UNIV. OF, LAWRENCE, KS
To:	Madsen G NRC OFFICE OF INSPECTION & ENFORCEMENT (IE REGION IV)
References
NUDOCS 8607210006
Download: ML20203C471 (3)

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lA THE UNIVERSITY OF KANSAS LAWRENCE, KANSAS 66045-2223

'g.[- DEPARTMENT OF CHEMICAL AND PETROLEUM ENGIN~ERING "dNSE July 7, 1986 Mr. G. L. Madsen U. S. Nuclear Regulatory Commission TM@@]M[MWl i

611 Ryan Plaza Drive M l d l986 Arlington, TX 76911 g [

Re: Docket No. 50-148 L

Dear Mr. Madsen:

In accordance with Facility License R-78 I submit the following annual report for the period July 1, 1985 to June 30, 1986.

1. The reactor was not operated during the period; hence no megawatt hours were accumulated, t

2. There were no unscheduled shutdowns.

3 Routine maintenance has been successful in avoiding any necessity for performing special preventative or corrective mnaintenance having safety significance.

4. We are preparing a request for amendment to our license to change the status of the facility to " possession only." All nuclear fuel has been removed and the reactor tank drained. All unirradiated fuel assemblies have been shipped to Oak Ridge and all irradiated fuel assemblies have been shipped to the Savannah River Plant. All structural elements which had become activated have been removed and disposed of. A cover has been bolted to the tank top to prevent accidental entry into the tank.

The exposure rate at the top of the tank is < G.03 mR/hr. The maximum exposure rate inside the tank is < 30 mR/hr Et the bottom of the tank within the region where the core had been. No tests or experiments have been carried out without prior approval by the NRC pursuant to 10 CFR 50.59.

5. There was some release of activity to the sanitary sewer system. During the period stated above, the demineralizer holdup tank was filled and drained once (500 gallons) and the reactor pool water (ca 6500 gallons) was drained through the holdup tank. The activity released to the sanitary sewer was:

< 0.20 uCi gross alpha activity

< 0.30 uCi gross beta activity

< 1 38 uCi gross gamma activity 8607210006 860707 8 PDR ADOCK 0000 u u Y\

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4 Mr.' G. L. Madsen July 7, 1986 Page 2

6. The following results were determined from 52 samples of air taken outside of the reactor building. All values were below the MPC's for' uncontrolled areas. The minimum detectable activity is expressed as MDA.

Alpha activity 45 samples < MDA. ,

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average MDA 0.47 +/- 1.24 x 10 uCi/ml-1 0 samples > MDA _ ,

Beta activity 38 samples < MDA average MDA' O.65 +/- 1.50 x 10 -13 uci/ml 2 samples > MDA 3.10 +/- 1.70 x 10 -13 uci/ml

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1.60 +/- 1.50 x 10-13 uci/ml Gamma activity 48 samples < MDA

-12 average MDA 0.33 +/- 1.20 x 10 uci/ml 0 samples > MDA.

, 7. The following results were determined from 52 samples of air taken-in

, the reactor bay of the reactor building. All values were below the MPC's for uncontrolled areas. The minimum detectable activity is expressed as MDA.

Alpha activity 39 samples < MDA

-l average MDA- 0.32 +/ .0.97 x 0 uci/ml-O samples > MDA Beta activity 42 samples < MDA' 0.40,+/- 1.10 x:10 -3 uci/ml average MDA.

0 samples > MDA' Gamma activity 47 s'amples < MDA average MDA 0.14 +/- 0.90 x 10 -12 uci/ml

O samples > MDA 4

8. No facility personnel or visitors received'any significant radiation l exposure.

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, .Mr.' G. L. Madsen July 7, 1986 Page 3 ,

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9. The membership'of the University Committee on Radiation Sources is -

currently: , , , _

Frank Prosser (Chair). Physics and Astronomy Don Robertson (Vice-Chair) Microbiology Harold'Rosson Chemical & Petroleum Engineering l- Walter Dixon LPharmacology & Toxicology Robert Sanders- iBiochemistry Benjamin Friesen Radiation-Safety Officer The Nuclear Reactor Committee remains the same. 4 i

Since ely, 1

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! w Harold F. Rosson Reactor Director copies: Nuclear Reactor Committee A

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