ML20147B430

NPDES Noncompliance Notification:Total Phosphorus of Samples Taken from Discharge Point 501 Exceeded Monthly Average & Max Permit Limit.Caused by Inability of Sewage Treatment Plant to Continously Reduce Phosporus Level

ML20147B430
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 8803020093
Download: ML20147B430 (2)

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PHILADELPHI A ELECTRIC COMPANY ,

PC ACH 6801704 ATOMIC. POWER ST ATION w u. t.wox tos 3

okt,T A. P(NNEY LV ANI A 87384 February 23, 1988 s

Department of Environmental Heuources '

Bureau or Watur Quality Management One Ararat Blvd.

Harrisburg, PA 17110

SUBJECT:

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

Gentlement .

DESCRIPTION OP NONCOMPLTANCE:

samples taken from discharge The total phosphorus of point 503 (Sewage Treatment Plant) exceeded the monthly average

and maximum permit limit.

Date Sample Takung 1/6/88 1/28/88 ,

Date Results Received: 1/19/88 2/8/88 Results of Analysis 6.9 ppm 4.1 ppa

! Nonthly Average Analysis 5.5 ppa Permit Limitation: 2.0 ppa monthly average 4.0 ppm instantaneous maximum CAUSE OF NONCOMPLIANCE: ,

The cause of the noncompliance is an inability of the Sewage ,

Treatatant Plant to continuously reduce the phosphorus level below ,

the permit limits.

DURATION OF NONCOMPLIANCE:

The duration of the noncompliance has been intermittent since I the receipt of the new permit in October, 1985. ,

CORRECTIVE ACTION: ,

i The corrective action is to use a solution of ferrio chloride instead of Ultrion to precipitate the the phosphorus out of the waste water. This is a recommendation from DCM consultants. The ultrion was used for several months, but was not successful in .

maintaining phosphorus levels below 2 ppa. Ferric chloride injection started on January 20, 1988. [

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FEb-:i 'm re:w it PREVENTION OP rudTHER OCCURRENCES:

Although fearle chloride injection was started on January 20, 1988, leako in the system have prevented controlled injection of the. solution. Parts have been ordered to repair the system. The repair in expected to be complete by mid February.

3 Very truly yours, ,

d-D. M. Smith Vice President Peach bottom Atomic Power Station JAV/ala cc: Environmental Protection Agency Water Permits Branch Pennsylvania Section 3WMb2 841 Chestnut Building Philadelphia, Pennsylvania 19107 Director Ada:inist ra t or ONRR Region I US NRC Office of Inspection and Enforcement Washington, DC 20555 tlS Nuclear Regulatory Commission 631 Park Avenue King of Prussia, Pennsylvania 19406