ML20058M009
| ML20058M009 | |
| Person / Time | |
|---|---|
| Site: | Quad Cities  |
| Issue date: | 08/06/1990 |
| From: | Taylor J NRC OFFICE OF THE EXECUTIVE DIRECTOR FOR OPERATIONS (EDO) |
| To: | Evans L HOUSE OF REP. |
| References | |
| CCS, NUDOCS 9008090202 | |
| Download: ML20058M009 (3) | |
Text
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Jg UNITED STATES.
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NUCLEAR REGULATORY COMMISSION
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WASHINGTON. D. C. 20666 August 6,.1990-The Honorable Lane Evans i
l United States House of Representatives Washington, D.C.
20515 i
Dear Congressman Evans:
In our letter to you of May 25,1990, we committed to keep you updated on the cracks in the reactor vessel head at the Quad Cities Station, Unit 2, by sending you additional documents as they become available. Enclosed are two documents submitted by Comonwealth Edison Company, the licensee., of June 29, 1990, contains the results of the boat sample' metallurgical examination and the results of the Scanning Electron Micro-
' scopy. Enclosure 2, of Jul;r 2,1990, provides the fabrication history of three of the licensee's six Boiling Water Reatior Vessels, including the vessel of Quad Cities, Unit 2.
We have reviewed these two documents and we continue to believe that operation of Quad. Cities, Unit 2, with the cracks; poses no safety concern. As we stated in our letter of May 25, 1990, Commonwealth Edison will inspect the vessel head at the next refueling outage, scheduled for September 1991. We will review the results of that ins)ection and will determine whether any expected growth of the cracks mig 1t compromise structural integrity of the vessel.
We will continue to keep you updated on this issue.
Sincerely, l
(\\
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w J les M. T or xecutive frector for Operations
Enclosures:
1.
Letter from Rita Stols, Commonwealth Edison, June 29, 1990 2.
Letter from Rita Stols, j
Commonwealth _Edisop 990 Oh h b,W l9%&c2a.ml?
NOUONE M
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CONGRESSIONAL CORRESPONDEACE SYSTEM DOCUMENT PREPARATICN CHECRLIST This checklist is to be submitted with each document (or group of Qs/As) sent for entering into the CCW.
d [so bWW 1.
BRIEF DESCRIPTION OF DOCUMENT (S)
/orrespondence C
Bearings (Qs/As).
3.
TYPE OF DOCUMENT 3.
DOCUMENT CONTROL Sensitive (NRC Only)
L-1f6-Sensitive -
4.
CONGRESSIONAL COMMITTEE and SUBCOMMITTEES (if applicable)
Congressional Committee Subcommittee i
5.
SUBJECT CODES (a)
(b)
(c) 6.
SOURCE OF DOCUMENTS (a) 5520 (document name
/ can.
(b)
S (c)
Attachmente (d)
Rekey (e)
Other 1
7.
SYSTEM LOG DATES (a) 97 fd Date OCA sent document to CCS (b)
Date CCS receives document (c)
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Date entered into CCS by _
(f)
Date OCA notified that' document is in CCS 8.
COMMENTS l
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