ML19347F374

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Forwards Mar 1981 Summary Technical Rept,Wcap 9877, Analysis of Capsule T from Northern States Power Co Prairie Island 2 Reactor Vessel Radiation Surveillance Program
ML19347F374
Person / Time
Site: Prairie Island 
Issue date: 05/13/1981
From: Mayer L
NORTHERN STATES POWER CO.
To:
Office of Nuclear Reactor Regulation
Shared Package
ML19347F375 List:
References
NUDOCS 8105190110
Download: ML19347F374 (1)


Text

r-e ~ e Northem States Power Company 414 Ncodet Mai Mnneapons. Mnnesota 55401 Tewonone (612) 330 p' g' gO)

Tt!!S DOCUMENT CONTAINS POOR QUAL.lTY PAGES

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May 13, 1981

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Director, Office of Nuclear Reactor Regulation L.cf c/o Distribution Services Branch, DDC, ADM (C \\

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Washington, DC 20555 PRAIRIE ISLAND NUCLEAR GENERATING PLANT Docket No. 50-306 License ho. DPR-60 Summary Technical Report of Analysis of Caprule from Unit No. 2 Reactor. Vessel Radiation Surveillance Program Submitted for your review are 11 copies of the report, " Analysis of Capsule T from Northern States Power Company Prairie Island Unit No. 2 Reactor Vessel Radiation Surveillance Program", WCAP-9877, dated March,1981. This report is I

submitted in accordance with 10CFR50, Appendix H.Section IV.

The report notes the following:

a) The measured fast neutron fluence of 1.0$E19 n/cm exactly matches the predicted value for the capsule.

b) The limiting material in the core region exhigited a 60 F shift in RT at the measured fluence of 1.05E19 n/cm. This shift is wiNkIn the design curve prediction of Regulatory Guide 1.99.

Please contact us if you have any questions related to this report.

Yours very truly, L 0 Mayer, PE Manager of Nuclear Support Services LOM/DMM/jh cc J G Keppler G Charnoff NRC Resident Inspector Attachment 1810519 0 N V

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