ML20147B643

NPDES Noncompliance Notification:On 880106-28 Samples from Discharge Point 501 Sewage Treatment Plant Exceeded Monthly Average & Instantaneous Max Limits.Cause Unknown.Program of Wasting Will Be Implemented to Reduce Solids

ML20147B643
Person / Time
Site:	Peach Bottom
Issue date:	02/23/1988
From:	Danni Smith PECO ENERGY CO., (FORMERLY PHILADELPHIA ELECTRIC
To:	PENNSYLVANIA, COMMONWEALTH OF
References
NUDOCS 8803020154
Download: ML20147B643 (2)

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L PHILADELPHI A ELECTRIC COM PANY PE ACH BOTTOM ATOMIC POWER ST AYioN R. D,1. WOX Att p K LT A. PE N NSY LV ANI A 17314 February 23, 1988 Department of Environmental Resources Bureau of Water- Quality Management One Ararat Blvd.

Harrisburg, PA 17110

SUBJECT:

Noncompliance with NPDES Permit l Peach Bottom Atomic Power Station Permit No. PA 0009733 Gentlemen DES _CRIPTION OP NONCOMPt.IANCE:

The BOD of samples from discharge point 501 (Sewags Treatment Plant) exceeded the monthly average and instantaneous maximum limits.

Date Sample Taken: 1/6/88 1/28/88 Date Results Received: 1/19/88 2/4/44 Results of Analysis 81 mg/l 50 mg/l Monthly Average I Analysis 66 ag/l Monthly Average Permit Limitation: 30 mg/l Monthly Average  ;

60 mg/l Instantaneous Maximum CAUSE OF HONCOMPLIANCE:

The exact cause of the noncompliance la unknown.

DURATION OP NONCOMPLIANCE:

The duration of the noncompliance has been the entire month.

CORHECTIVE ACTION:

A review of sewage plant data has shown a slight increase in solida through t1e system. A program'of wasting will be implemented to reduce solids. This should improve clarifier performance and reduce the affluent 800. ,

8803020154 080223 PDR ADOCK 05000171 h

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FEB-24 '68 08:56 ID: gg ,

_ PREVENTION OF PORTHER OCCURRENCES Weston Engineering was called in on January 20, 1988 to provide an independent assessment of the sewage plant. One reroval and inap*cted. to help solids settlability.tocommendation phosphorus was to has been submitted.A modification requent for replacing the comminutor '

This should help in calan which will help the overall digestion process.cing the flows Very truly yours,' '

D. Me Smith Vice President IAV/ala Peach Bottom Atomic Power Station cc Environmental Protection Agency Water Permits Branch Pennsylvania section 3NM52 841 Chestnut Building Philadelphia, Pennsylvania 19107 i Director ,

ONRR Administrator US NRC Region I Washington, DC 2055b Office of Inspection and Enforcement US Nuclear Regulatory Commission 631 Park Avenue King of Prussia, Pennsylvania 19406 U

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