ML20207D617

NPDES Noncompliance Notification:On 990111,discovered That Weelkly Analysis for non-oxidizing Biocide Betz 3625 Was Not Performed.Caused by Sample Being Inappropriately Delayed for Future Chemical Addition.Counseled Individuals Involved

ML20207D617
Person / Time
Site:	Limerick
Issue date:	02/26/1999
From:	Gallagher M PECO ENERGY CO., (FORMERLY PHILADELPHIA ELECTRIC
To:	Oneill S PENNSYLVANIA, COMMONWEALTH OF
References
NUDOCS 9903100027
Download: ML20207D617 (2)

Text

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Micha:l P.c:Itaghrr, P.E.

Plant Manager

• . *- Limerick Generating Station

.&PECO NUCLEAR ecco emerav coma "v Lamenck Generating Station A Unit of PECO Energy PO Box 2300 Sanatoga. PA 19464-0920 610 718 2000 February 26,1999 Steve J. O'Neil Chief, Operations Section Department of Environmental Protection Water Management Program .

Suite 6010, Lee Park 555 North Lane Conshohocken, PA 19428

SUBJECT:

Limerick Generating Station NPDES Permit No. PA0051926 .

Missed Biocide Analysis, BETZ 3625 l l

Dear Mr. O'Neil:

On January 11,1999, station personnel discovered during the review of the previous weeks j analysis, that the weekly analysis for the non-oxidizing blocide Betz 3625 was not performed.

This is in violation of Part A of NPDES Permit PA0051926 which requires a weekly effluent sample (or BETZ 3625 during chemical addition.

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Following discovery of the event, a sample was taken on January 12'", the next chemical l

treatmer.t'. The result was 0.09 ppm BETZ 3625, which is well below the 0.4 ppm daily I maximum and 0.2 ppm monthly limit. The injection rates and concentrations of the biocide are l standardized throu I week of January through 3'gh the use 9'"

January of were approved station performed procedures.

in accordance Theprocedures.

with station addition of BETZ 3625 forl Therefore, no levels above the prescribed limits were expected. The limits have not been l

exceeded for the entire permitting period for Betz 3625.  !

I

!. The cause of this violation was that the sample was inappropriately delayed for a future chemical addition.

Supervision has counseled the involved individt: A and discussed this event during chemistry h continuing training, with emphasis placed on procedural compliance. The procedure goveming the sampling has been modified and the scheduling process has been improved.

If there are any questions please do not hesitate to contact Mr. David J. Piller at (610) 718-2711.

Sincerely, _

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February 26,1999 Page Two ec: U.S. Nuclear Regulatory Commission Document Control Desk Docket Nos. 50-352/352 Washington, D.C. 20555 H. J. Miller Administrator, Region I, USNRC Docket Nos. 50-352-353 A. L. Burritt USNRC Senior Resident inspector, LGS Docket Nos. 50-352/353 Program Management Section (3WM52)

Permits Enforcement Branch Environmental Protection Agency Water Management Division Environmental Protection Agency Water Permi's Section Region 111 841 Chestnut Building Philadelphia, PA 19107 L