ML20210N440

Ro:On 860418,empty IF-300 Cask,Serial IF-301,received w/11 Smearable Contamination Readings Exceeding 22,000 Beta & Gamma dpm/100 cm(2) Allowed in 10CFR205,but Not Exceeding Regulatory Limits Per 10CFR71.87 & 49CFR173.443

ML20210N440
Person / Time
Site:	Cooper
Issue date:	04/21/1986
From:	Horn G NEBRASKA PUBLIC POWER DISTRICT
To:	Gagliardo J NRC OFFICE OF INSPECTION & ENFORCEMENT (IE REGION IV)
References
CNSS86709, NUDOCS 8605050039
Download: ML20210N440 (1)

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$60GO240 COOPE R NUCLE AR ST ATION h Nebraska Public Power District

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1 Mr. J. F. Gagliardo, Chief APR 2 S1986 Reactor Projects Branch jL' U. S. Nuclear Regulatory Commission J_'-

-- l Region IV 611 Ryan Plaza Drive Suite 1000 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 April 18, 1986. As discussed with Mr. Baer, a rail shipment of one empty IF-300 c Serial Number IF-301, containing only residual contamination was rer by Nebraska Public Power District at 0930 April 18, 1986. All shipping e._ ria were met with the exception of eleven smearable contamination readings on the cask. These readings were greater than the 22,000 beta and gamma dpm/100 cm2 allowed in 10CFR20.205. It did not 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.

If you have any questions regarding this letter, please contact me at the site.

Sincprely, p ._

G. (. Horn Division Manager of Nuclear Operations GRH:RJM:ya 860505003 PDR 21 S ADOCX 05000298 PDR cc: L. G. Kuncl g tCO J. M. Pilant e y) g

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