ML20245D421

NPDES Noncompliance Notification:On 880406,total Phosphorus Sample Exceeded Monthly Average.Caused by High Solids Carryover from Clarifers & Lower than Normal Phs.Alum to Sewage Plant Equalization Basin Increased

ML20245D421
Person / Time
Site:	Peach Bottom
Issue date:	05/25/1988
From:	Danni Smith PECO ENERGY CO., (FORMERLY PHILADELPHIA ELECTRIC
To:	HARRISBURG, PA
References
NUDOCS 8806030344
Download: ML20245D421 (2)

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% e PEACM BorruMorpts rotea OF EXCELIIMCI D. M. Smith PHILADELPHIA ELECTRIC COMPANY

• PEACH BOTTOM ATOMIC POWER STATION R. D.1, Box 208 Delta, Pennsylvania 17314 C17)4$67o14 Vice PrCsident Mr.y 25, 1988 Department of Environmental Resources Bureau of Water Quality Management One Ararat Blvd.

Harrisburg, PA 17110

SUBJECT:

Noncompliance with NPDES Permit Peach Bottom Atomic Power Station Permit No. PA 0009733 Gentlemen:

DESCRIPTION OF NONCOMPLIA_NCE:

The total phosphorus of a sample taken from discharge point 501 (Sewage Treatment Plant) exceeded the monthly average.

Date Sample Taken: 4/6/88 4/13/88 4/20/88 Date Results Received: 5/12/88 4/26/88 5/8/88 Results of Analysis: 3.7 ppm 2.2 ppm 2.4 ppm -

Permit Limitation: 2.0 pnm monthly average Monthly Average 2.7 ppm CAUSE OF NONCOMPLIANCE: 1 The cause of the first noncompliance is high solids carryover from the 1 clarifiers. The second and third noncompliances were caused by lower than i normal pHs which interfered with the alum removal of phosphorus.

OURATIONOFNONCOMPLIANg: 1 The duration of the noncompliance is estimated to be from April 6, 1988 through April 12, 1988 0006030s 44 880525 PDR S

ADOCK 05000277 DCD [f) /

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CORRECTIVE ACTION:

The corrective action has been to increase the alum to the sewage plant equalization basin, We have been monitoring the daily effluent for phosphorus, using a short form method, and the results are consistently less than 2.0 ppm.

l Very truly yours, I A*

JAV/ala cc: Environmental Protection Agency Water Permits Branch

, Pennsylvania Section 3WM52

! 841 Chestnut Building Philadelphia, Pennsylvania 19107  ;

Director Administrator i ONRR Region I l US NRC Office of Inspection and Enforcement

! Washington, DC 20555 US Nuclear Regulatory Commission 631 Park Avenue l King of Prussia, Pennsylvania 19406 '

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