ML20012A279

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Forwards Proprietary & Nonproprietary Rev 0 to NFSR-0069, Transient Analysis Envelope for Zion Units 1 & 2. Proprietary Rept Withheld (Ref 10CFR2.790)
ML20012A279
Person / Time
Site: Zion  File:ZionSolutions icon.png
Issue date: 02/27/1990
From: Chrzanowski R
COMMONWEALTH EDISON CO.
To: Murley T
Office of Nuclear Reactor Regulation
Shared Package
ML20012A280 List:
References
0729T, 729T, NUDOCS 9003090142
Download: ML20012A279 (2)


Text

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'N ' Commonwealth Edison.

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/1400 Opus Place.

Downers Grave, Illinois 60515 February 27, 1990 i

Dr. Thomas E. Murley, Director i

Office of Reactor Regulation U.S.~ Nuclear Regulatory Commission Washington, DC 20555

Subject:

Zion Station Units 1 and 2 PWR Reload Safety Evaluation Methodology NRC Docket Nos. 50-295 and 50-lQ4 J

Reference:

(a) November 30, 1989, letter from G.E. Trzyna to y

T. E. Murley

Dear Dr. Murley:

Commonwealth Edison submitted the " Transient Analysis Envelope for Zion Station Units 1 and 2" in reference (a). 'This letter transmits proprietary and non-proprietary copies of the same report and the required withholding application and accompanying affidavit.

Attachment A contains the application for withholding proprietary.

information from public disclosure. Attachment B contains the Westinghouse affidavit to support the application. Attachment C contains the proprietary copy of the " Transient Analysis Envelope for Zion Units 1 and 2, dated November 1989".

Attachment D contains the non-proprietary copy of the same report.

The information contained in Attachment C of this letter is considered to be Proprietary Information to Westinghouse Electric Corporation,4 it is supported by an-affidavit signed by Westinghouse, the owner of the information. Attachment B contains'the affidavit that sets forth the basis on which the information may be withheld from public disclosure by the Commission and addresses with specificity the considerations listed in paragraph (b)(4) of Section 2.790 of the Commission's regulations.

Accordingly, it is respectfully requested that the information

. contained in Attachment C be withheld from public disclosure in accordance with 10 CFR 2.790.

Please-address any questions you may have regarding this matter to this office.

1 Very truly yours, M

9003090142900g9g R. A Chrzanowski ADOCK 050 Nuclear Li ensing Administrator PDR PDC-P cc: Senior Resident Inspector, Zion - w/o Encl.

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ATTACHMENT A APPLICATION FOR WITHHOLDING L

PROPRIETARY INF0VIATION FROM PUBLIC DISCLOSURE.

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