ML20105B714

Forwards Corrected Tables to 1990 & 1991 CPSES Semiannual Radioactive Effluent Repts

ML20105B714
Person / Time
Site:	Comanche Peak
Issue date:	09/11/1992
From:	William Cahill TEXAS UTILITIES ELECTRIC CO. (TU ELECTRIC)
To:	NRC OFFICE OF INFORMATION RESOURCES MANAGEMENT (IRM)
Shared Package
ML20105B619	List: ML20105B616 ML20105B714
References
TXX-92422, NUDOCS 9209210123
Download: ML20105B714 (2)

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== Log # TXX-92422

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7UELECTRIC Ref. # 10CFR50,9 wim. J cahm,Jr. September 11, 1992 Group Vwe besihnt U. 5. Nuclear Regulatory Commission Attn: Document Control Desk Washington, DC 20555

SUBJECT:

COMANCHE PEAK STE/.M ELECTRIC STATION (CPSES) - UNIT 1 DOCKET NO. 50 445

, AMENDMENT TO THE 1990 AND 1991 CPSES SEMIANNUAL PADI0 ACTIVE EFFLUENT RELEASE REPORTS REF: 1) TV Electric letter logged TXX-31080 f rom William J. Cahill, Jr. to USNRC dated March 1, 1991,

2) TU Electric letter logged TXX-91311 from William J, Cahill, Jr. to USNRC dated August 29, 1991.

3) TV Electric letter logged TXX-92104 from William J. 20111, Jr. to USNRC dated February 28, 1992.

Gentlemen:

While reviewing data from previously submitted semiannual radioacti e effluent release reports for CP5ES, it was discovered that some dcta had been reported erroneously in the end-of-year 1990 (Reference 1) and 1991 (References 2 and 3) semiannual reports. The tables attached to this letter reflect coirected dat,.i and.are reported herein in order ta revise the affetted tables in the previously submitted reports. Each table should be substituted for the corresponding table in the original :emiannaal report.

The errors contributing to data inaccuracies in the original reports were t :-

determined to have been introduce <1 as follows: user editable software parameters affecting the average diluted concentration and Offsite Oose Calculation Manual "Y"'J radiological ef fluent control limits f or tritium, fission and activa > " prrducts, and dissolved and entrained gases, were not updated correctly dus nig the 3rd and 4th quarter of 1990: data entry errors occurred during the generation of the end-of-year 1990 and mid-year 1991 reports: and calculation errors occurred in the computation of the total curie content for both 1991 semiannual reports, thus affecting the report +d nuclide composition of dry compressible waste and contaminated equipment v ol ume s ,

j 9209210123 920911- "

I PDR- ADOCK 05000445 R ,jk PDR ma n.ouve street LB,81 Dallas, Texas 75201 1

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! TXX-92422 Page E of 2 An evaluation of these errors shows that CPSES remained in compliance with the applicable radiological ef fluent controls. Corrective m isures have been implemented to provide additional assurance that these type of errors do not recur.

If there are any questions concerning this matter, please contact Mr. Doug Kay at (817) 897-5204.

Sincerely, h

Williara J. Cahill, Jr.

By: A- '

D. R. Woodlan D0:ket Licer. sing Manager CLW/tg Attachment c- Mr. J. L. Milhoan, Region IV Hr. B. Murray, Region IV tir. J. B. Nicholas, Region IV Mr. T. A. Bergman, NRR Res' dent inspectors, CPSES (2)

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