ML20086D070
| ML20086D070 | |
| Person / Time | |
|---|---|
| Site: | Limerick  |
| Issue date: | 11/14/1991 |
| From: | Beck G PECO ENERGY CO., (FORMERLY PHILADELPHIA ELECTRIC |
| To: | NRC OFFICE OF INFORMATION RESOURCES MANAGEMENT (IRM) |
| References | |
| NUDOCS 9111250232 | |
| Download: ML20086D070 (2) | |
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EPP 3.2 PIIILADELPIIIA ELECTRIC COMPANY NUCLEAR GROUP HEADQUARTERS 955-65 CHESTERBROOK BLVD.
WAYNE, PA 19087-5691 (215) 640-6000 November 14, 1991 NUCLEAR ENGINEERING & SERVICES DEPARTMENT Docket Nos. 50-352 50-353 License Nos. NPF-39 NPF-85 NPDES Permit No. PA 0051926 U.S. Nuclear Regulatory Commission Attn:
Document Control Desk Washington, DC 20555 i
Subject:
Limerick Generating Station, Units 1 and 2 Changes to National Pollutant Discharge Elimination System Permit Gentlemen:
This letter is being._.3mitted in accordance with the Limerick Generating Station (LGS), unets 1 and 2, Environmental Protection Plan
'(EPP), Section 3.2, which stipulates that the NRC shall be notified within thirty (30) days following the date of approval of a change to the National Pollutant Discharge Elimination System (NPDES) permit.
By letter dated September 25, 1991, the NPDES permitting agency for LGS, the Commonwealth of Pennsylvania Department of Environmental Resources (PA DER), approved the attached change to the LGS NPDES Permit No. PA 0051926.
We previously notified the NRC that we were requesting this change to the LGS NPDES permit by our letter dated May 21, 1991.
This change permits the use of new chemical additives for controlling Asiatic clams in the secondary cooling system.
If you have any questions or require additional information, please do not hesitate to contact us.
Very truly yours,
, f,/ Q/
G.
J.
Beck Manager Licensing Section h,
Attachment 90 l
cc:
T.
T. Martin, Administrator, USNRC, Region I (w/ attachment)
T.
J. Kenny, USNRC Senior Resident Inspector, LGS (w/ attachment)
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COMMONWEALTH OF PENNSYLVANIA j
DET'ARTMENT OF F.NVIRONMENTM REiOURCES n- -
PEN NSYLVANI A L
FIELD OPERATIONS - WATER QUALITY HANAGEMENT ulte Colo, Leo Pos A 555 North Lane Censhohocken, PA 19128 215 832-6130 September 25, 1991 Ph11adelp'11a Eleetrtc Company 2301 Harket street P.O. Box 8699 ri. n ouo v isio, rn istot Attention! Hr. George H. Horley Director. Environmental Affairs Re:
industrial Vsste NPOES l
Permit Ho, PA0051926 i
Limerick Generating Station Limerick Township Hontgomery County ticar Mr. korley:
This is in respense to your May 1,1091, M:y 30. l??1 and ?re 'o-:,er 13,19?1 l
letters requesting approval to uw additicrui Wmical additwa. for a few <Py?
rer year to contrM.w a t. i c c l em in u e cuot'a 1 vner ustm e De subjed racility.
W: hav9 completed our review and hereby aporo'.1 your request to use the following additional chemical additives it: the cooling water systa') at tha t,1merick tisnarat1ng 5 tattoo. The wastewater :lli continue to dischargo on on
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average rate of 14.27 million gallore per clay through Outrall 001. The appenval
!s subicct to the following coridt tioru:
r 1.
The approved additives and usage rato era the rolle.,'"o:
l Name Usace Rate,(ibs/,, day),
Clam Trol CT-1 1491 Betz DTS 6716 Foam Trol CT 70
.h 7.
The usago rate of 1491 lbs/ day of C!sm Trol CT-1 vill cr-fur.e 1 w/1
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concentration of the whole prod'ict at Outfall 001 S9ch concentration
.b level is harmful to the aquatic 11fe of the river thereforo detoxifying l
agent 13etz DTS shall be used errectively to reduce thr! c ncentration to an acceptable level as required under Condition, 3 and a L'elow.
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Thliadelphia Electric Company September 25, 1991 3.
During the event of a discharge containing Clam Trol CT-1 ough Outfall 001, a daily grab sample shall be collected it the outfall 001.
The sample shall be analyzed for Clam Trol CT-1.
4 The concentration of the whole product of Clan Trol CT-1 at the effluent shall not exceed o.oS mg/1 (overage) and 0 00 mg/l (instantaneousmaximum). Also the use of Clam Trol Cl-1 and Detz DTS shall be controlled to meet a total suspended sollds net ef(luent limitationn of ?n mg/1 as an averaga monthly and too ng/l na daily maximum.
5.
Usage rates of additives, and bicW-down dischargq rates shall be controlled by the permittee to ensure that toxic effects in the receiving $tream are prevented. Usage rates shall be limited to the minimum amount necessary to acccmplish the intended purposes of chemical addition.
additive, quantity added, datt 6.
Accurate records of usage (name o r s
added, concentratioir nr clam Tro! cr-1 in the errivent) or any approved chemical additive and cr bl0W-down.fiv hargo volemrs rust be maintained and kept on-site by th? permittet.
7 When0VCr a change in addit 1VG5 or 11croa5c3 in usag? rates 13 desired by the pentlttee, c written request, which includes proposed usage rates and huirtah beelth toxicity and aaustic lire textcity data of each additive, shall be submitted to tha 09partment fer 3rproval.
The existing NPDES permit will bn revised to 1 tcivde these che+1 cal additiver-once our review of the pernit renewal app 11catton is comp 191 ~1.
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Pn11aceipnla Electric Company September 25, 1991 If you have any questions, please feel free te contact Sohan 0;rg of our Permits Section.
Very truly yours, J. A f. s A -
JOSEPH A. FEOLA Regional Water Quality Manager cc: EPA (3WHS1)
Delaware River Basin conmission Limerick Township Operations Permits and Compilance Rc 30 (1)248 e
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