ML20203F785

Responds to Requesting Approval to Use Chemical Additive Betz Deposi-Trol 855D for Cleaning of Heat Exchanger Tubes at Station.Request Approved W/Listed Conditions

ML20203F785
Person / Time
Site:	Limerick
Issue date:	05/08/1996
From:	Feola J PENNSYLVANIA, COMMONWEALTH OF
To:	Matty R PECO ENERGY CO., (FORMERLY PHILADELPHIA ELECTRIC
References
NUDOCS 9712170463
Download: ML20203F785 (2)

Text

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+* ,a Pennsylvania Department of Environmental Protection Lee Park, Suite 6010 555 North Lane Conshohocken, PA 19428 May 8,1996 Southeast Regional Office 610 832 6130 Fax 610 832 6133 Robert M. Matty, Jr.

Engineer, Environmental Affairs PECO En^rgy Company 2301 Market Street P.O. Box 8699 Philadelphia, PA 19101-8699 Re: IW NPDES Permit No. PA0051926

. Limerick Ocncrating Station

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Limerick Township Montgomery County .

Dear Mr. Matty:

This is in response to your April 23,1996 letter requesting an approval to use chemical additive Betz Deposi-Trol 855D for the cleaning of the heat exchanger tubes at the Limerick Generating Station.

We have completed our review and hereby approve your request. The wastewater will continue to discharge a an average rate of 14.27 million gallons per day to the Schuylkill River through Outfall 001. The appoval is subject to the following conditions:

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1. The approved additive and usage rate are as follows:

ND.mg Usage Rate (gallons /dav)

Betz - Deposi-Trol 855D 600

2. Discharges containing chemical additives to control corrosion, sealing, algae, slime, fouling, oxygen, etc., shall be managed by the permittee to ensure that toxic effects in the receiving stream are prevented. Usage rates shall be limited to the minimum amount necessr.ry to accomplish the intended purposes of chemical addition.

3. Accurate records of usage (name of additive, quantity added, date added) of tne approved chemical additive and blow down disenarge volumes must be maintained and kept onsite g by the permittee. g;

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- Robert M. Matty, Jr. May 8,1996 4 Sample shall be collected at the emergency spray pond discharge port prior to its flow to the Outfal! 001 and analyzed daily for total fron and dissolved iron, the concentrations for '

these metals shall not exceed 1.5 mg/l and 0.3 mg/l respectively.

The product will be included in the NPDES permit at next permit renewal or modification.

If you have any questions, please contact Sohan Garg of our staff.

Sincerely, f,h

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Joieph A.Feola Regional Manager

-Water Management cc: Limerick Township EPA DRBC Operations

. Permits and Compliance Mr. Newbcid Re 30 (OJC)129-26 t

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