ML17180A638
| ML17180A638 | |
| Person / Time | |
|---|---|
| Site: | Dresden  |
| Issue date: | 03/11/1994 |
| From: | NRC OFFICE OF INSPECTION & ENFORCEMENT (IE REGION III) |
| To: | |
| Shared Package | |
| ML17180A636 | List: |
| References | |
| 50-237-94-02, 50-237-94-2, 50-249-94-02, 50-249-94-2, NUDOCS 9403220059 | |
| Download: ML17180A638 (1) | |
Text
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NOTICE OF DEVIATION Commonwealth Edison Company Dresden Station, Units 2 and 3 Docket Nos.
50~237; 50~249 License No~. DPR-19; DPR-25 During an NRC inspection conducted on January 11 through*February 22, 1994, a deviation of your commitment to inject biocide into the containment cooling water system was identified.
In accordance with the "General Statement of Policy and Procedure for NRC Enforcement Action," 10 C~R Part 2, Appendix *C, the deviation is listed below:
Your response to Generic Letter 89-13, "Service Water System Problems Affecting Safety Related Equipment," dated January 29, 1990, stated that for.
open cooling water systems, a biocide would be injected manually into the intake bays.
At Dresden, the biocide injection was continuous during cooling water system operation.
Contrary to the above, between December 30, 1993, and February 17, 1994, the Unit 2 and 3 containment cooling water systems were operated without biocide injection into the intake bays.
Please provide to the U.S. Nuclear Regulatory Commission, ATTN:
Document Control Desk, Washington, D.C. 20555, with a copy to the Regional Administratoi, Region III, and a ~opy to the NRC Resident Inspector at the facility that is the subject of this Notice, in writing within 30 days of the date of this Notice, the reason for the deviation, the corrective steps which have been taken and the results achie~ed, the corrective steps which will be taken to avoid further deviations, and the date when your corrective action will be completed.
Where good cause is shown, consideration will be given to extending the response time~
Dated at Lisle, Illinois this __Jj__ day of March 1994 9403220059 940311 PDR ADDCK 05000237 Q