ML20083F974
| ML20083F974 | |
| Person / Time | |
|---|---|
| Site: | Byron, Braidwood, 05000000 |
| Issue date: | 12/30/1983 |
| From: | Tramm J, Tramm T COMMONWEALTH EDISON CO. |
| To: | Harold Denton Office of Nuclear Reactor Regulation |
| References | |
| 7899N, NUDOCS 8401100433 | |
| Download: ML20083F974 (1) | |
Text
/
N Commonwealth E son
) One First Nitionil Pina. Chictgo. Ilhnois g
') Address Reply to: Post Office Box 767 N
,/ Chicago. Illinois 60690 December 30, 1983 Mr. Harold R. Denton, Director Of fice of Nuclear Reactor Regulation U.S. Nuclear Regulatory Commission Washington, DC 20555
Subject:
Byron Generating Station Units 1 and 2 Braidwood Generating Station Units 1 and 2 Noble Gas Monitors NRC Docket Nos. 50-454,-50-455, 50-456 and 50-457
Dear Mr. Denton:
This is to provide additional information regarding the Byron /Braidwood auxiliary building vent noble gas effluent monitors.
NRC review of this information should complete the review of this instrumentation as documented on page 11-18 of the Byron SER.
i Section E.30 of Appendix E to the Byron /Braidwood FSAR provides detailed information on the General Atomic monitors being installed to monitor vent stack releases.
The following reports describe the calibration techniques and procedures, including the energy dependence of the detectors:
Document No.
Rev.
Title E-ll5-647 4
Calibration report for Model RD-52 Offline Beta Detector E-255-961 2
Calibration Report RD-72 Wide Range Gas Monitor High and Mid Range Detectors 0366-9010 L
Transfer Calibration Procedure Wide Range Gas Monitor Copies of these reports have been provided to Mr. L. Olshan, One signed original and fifteen copies of this letter are provided for NRC review.
Please direct further questions to this office.
Very truly yours,
)
W~
9 0401100433y3goy T.R.
Tramm PDR ADOCK PDR Nuclear Licensing Administrator E
7899N
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