ML20211E617

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Ro:On 860603,rail Shipment of Empty IF-300 Cask Containing Residual Contamination Received at Facility.Contamination Appeared Leaching Out from Cask External Surfaces.Reading Greater than Limits in 10CFR20.205
ML20211E617
Person / Time
Site: Cooper Entergy icon.png
Issue date: 06/06/1986
From: Horn G
NEBRASKA PUBLIC POWER DISTRICT
To: Gagliardo J
NRC OFFICE OF INSPECTION & ENFORCEMENT (IE REGION IV)
References
CNSS865812, NUDOCS 8606160202
Download: ML20211E617 (1)


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COOPER NUCLE AR STATION

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Nebraska Public Power District

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4 CNSS865812 June 6, 1986 Mr. J. E. Gagliardo, Chief Reactor Projects Branch U. S. Nuclear Regulatory Commission Region IV

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Arlington, Texas 76011

Subject:

10CFR20,205. (b)(2) Notification

Dear Mr. Gagliardo:

This letter is a followup to the telephone notification made to Mr. R. Baer, USNRC Region IV Office, on June 3, 1986. As discussed with Mr. Baer, a rail shipment of one empty IF-300 cask, Serial Number IF-302, containing only residual contamination was received by Nebraska Public Power District at 0800 June 3, 1986. All shipping criteria were met with the exception of one smearable contamination reading on the cask. This reading was greater than 2 allowed in 10CFR20.205.

It did not the 22,000 beta and gamma dpm/100 cm appear that this contamination resulted from leakage of the radioactive contents of the cask, but rather from contamination leaching out from the cask external surfaces.

As allowed in 10CFR71.87 and 49CFR173.443, other methods of contamination assessment were used and the results showed that in no case did the surface contamination on the external surfaces of the package exceed the regulatory limits as defined in 10CFR71.87 and 49CFR173.443.

I If you have any questions regarding this letter, please contact me at the f

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Div on Manager of Nuclear Operations GRH:RLB:ya cc:

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