ML20154P485

NPDES Noncompliance Notification:On 880406,BOD of Sample from Discharge Point 501 Exceeded Monthly Average & Instantaneous Max Limits.Caused by High Solids Carryover Through Sewage Plant.Wet Well Pumps Repaired & Cleaned

ML20154P485
Person / Time
Site:	Peach Bottom
Issue date:	05/25/1988
From:	Danni Smith PECO ENERGY CO., (FORMERLY PHILADELPHIA ELECTRIC
To:
References
NUDOCS 8806030352
Download: ML20154P485 (2)

Text

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'PHIL ELPHIA ELF.C1'RIC COMPANY -

PEACH BOT 10M ATO.I.(IC POWER STATION R. D 1, Acx 208 Deka, Pennsylvania 173!4 (71?) 4 $6 7014 Vice President May 25, 1988 I

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:

DESCRIPT_ ION OF NONCOMPLIANCE:

The B00 of a sample from discharge point 501 (Sewage Trettnent Plant) exceeded the monthly aver 6ge and instantaneous . maximum limits.

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 150 mg/l 7 mg/l 22 mg/l Monthly Avg. 59.7 Permit Limitation: 30 mg/l Monthly Average 60 mg/l Instantaneous Maximum CAUSE Or NONCOMPLIANCE:

The cause of the noncompliance was high solids carryover through the '

sewage plant. This was caused by the #1 and #2 wet we'll pumps returning to service on April 6, 1988 after tripping on thermals due to clogging with debris.

DURATION OF NONCOMPLIANCE _:

The estimated duration of the noncompliance was twelve hours, i

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CORRECTIVE ACTION: -

The il and #2 wet well pumps were repaired / cleaned on' April 6, 1988.

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Ver$trulyyours, JAV/ala g cc: Eruironmental Proteck, ion Agency Wzter Permits Branch ,

Pannsylvania section 3WM52 ,

641 Chestnut Building "

Philadelphia, Pennsylvania 19107 Director Aoininistrator OhRR Re.gion I US NRC 09fice of Inspection and Enforcement j Washington, DC 20555 US Nuclear Regulatory Commission

.' 631 Park Avenue

' fMh,g of Prussia, Pennsylvania 19406 J

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