ML20151T119

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Forwards Revised Flow Diagram & EPA Form 3510-2C Re NPDES Permit TN0026450 - ERCW Discharge
ML20151T119
Person / Time
Site: Sequoyah  
Issue date: 09/01/1998
From: Bajestani M
TENNESSEE VALLEY AUTHORITY
To: Davis P
TENNESSEE, STATE OF
References
NUDOCS 9809090247
Download: ML20151T119 (5)
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4 Tennessee Valley Authority, Post Office Box 2000. Soddy Daisy, Tennessee 37379-2000 September 1, 1998 Mr. Paul Estill Davis, EM, Director Division of Water Pollution Control 6* Floor, L&C Annex 401 Church Street Nashville, Tennessee 372431534 Attention: Mr. Larry Bunting TENNESSEE VALLEY AUTHORITY - SEQUOYAH NUCLEAR PLANT (SON)- NATIONAL POLLUTANT DISCHARGE ELIMINATION SYSTEM (NPDES) PERMIT NO. TN0026450 -

ERCW DISCHARGE The permit renewal application submitted in January 1998 describes the discharge of the Essential Raw Cooling Water (ERCW) System to Outfall 101 via Cooling Tower Basin Discharge to the Diffuser Pond. Infrequent maintenance performed on the ERCW System requires drainage of isolated segments of piping. This drair age should be shown as routed to either the Yard Drainage Pond or to the Turbine Building Sump with subsequent discharge through Outfall 101. The total volume of such drainage is normally about 1,000 gallons and could be as much as 30,000 gallons. There is also a small portion of this noncontact cooling water, used to cool nuclear safety-related air compressors, that discharges to Outfall 101 via the Condenser Cooling i

Water Discharge Channel to the Diffuser Pond. The total ERCW System discharge is through Outfall 101 as previously described.

l The revised flow diagram and EPA Form 3510-2C are enclosed.

If you have any concems or requests for additionalinformation, please contact Debby Bodine at (423) 843-6700.

I certify under penalty of law that this document and all attachments were prepered under my direction or supervision in accordance with a system designed to assure that qualified i

personnel properly gather and evaluate the information submitted Based on my inquiry of the person or persons who manage the system, or those persons directly responsible for

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gathering the information, the information submitted is, to the best of my knowledge and belief, true, accurate, and complete. I am aware that there are significant penalties for submitting false information, including the possibility of fine and imprisonment for knowing violations.

Sincerely, S 6%"

Masoud Bajest 11 6

Enclosures 9809090247 980901 PDR ADOCK 05000327-P PDR 9

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! ' N-Mr. Paul Estill Davis l.

Pags 2 l

September 1, 1998 l:

cc (Enclosures):

Mr. Larry Bunting Mr. Terry Whalen Division of Water Pollution Control Tennessee Department of Environment and -

6* Floor, L&C Annex '

Conservation.

401 Church Street.

Chattanooga Environmental Assistance Center Nashville, Tennessee 37243-1534.

Division of Water Pollution Control 540 McCallie Avenue, Suite 550 l

- Chattanooga, Tennessee 37402-2013

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= U.S. Nuclear Regulatory Commission L

Attention: Document Control Desk Washington, DC 20555 L

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2 cie g,,,,,,,,,,,,,,,,,,,,n,,,,,,,,,,,%,,,,,e gea'*'v Sequoyah Nuclear Plant NPDES Flow Diagram

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$A D. MtW SEN (Copy f=om item J of form 2; CMS NA 20.:d-CC86 Pisass print or tvoe in the unshaded arsas oniv.

. IN0026450 Approval expires 5 3192 9 (a)

. FORM U.S. EN VIRONM EN T A L PR OT EC TIO N A G ENC Y APPLICATION FOR PERMIT TO DISCHARGE WASTEWATER

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EXISTING MANUFACTURING, COMMERCIAL, MINING AND SILVICULTURAL OPERATIONS NPOES Consolidated Permits Program WFALL LOCATION t.

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For ecch outfall, list the latitude and longitude of its location to the nearest 15 seconds and the name of the receiving water.

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a. L AT TvoE c, LoNG:TvoE g

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SEE PtGE 1 OF THIS FORM.

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11. FLOWS, SOURCES OF POLLUTION, AND T REATMENT TECHNOLOGIES ]

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3 A. Attach a line drawing showing the water flow through the f acility. Indicate sources of intake water, operations contributing westeweter to the effluent,a cnd trsatment units tabe;od to correspond to the more detailed descriptions in item 8. Construct a water balance on the line drawing by showing average flows between intakes, operations, treatment un'rts, and outfalls, if a vwrter balance cannot be de* ermined (e.g, for certain mining actrvities), provide a pictorial description of the nature and amount of any sources of water and any collection or tTaatment measures.

B. For each outf all, provide a description of: (1) Ai! operations contributing wastewater to the effluent, including process wastewater, sanitary wastewater, cooling water, and storm water runoff; (2) The everage flow contributed by each operation; and (3) The treatment received by the wastewater Continue on additional sheets if necessary, l. O U T.

1. OPE R ATION {S) CO N T RIBUTIN G Flow
3. T R E A T M E N T

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a. OPE R ATIO N fist) g y

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4. o ESC RIPTION TAs E 2 C-D. Yard Drainage Pond 101 (continued) 15.

Essential Raw Cooline

.03 med Flow will normally be O tml ou Y

Y Water from infrequent maintenance activities on the maintenance.

ERCW system reauire partial system isolation and drainace l

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Or vica AL W S E ON LY (effluent swdabmes su t>-cofagoriesj EPA Form 3510-20 (5-90)

PAGE 1 OF 4 cod"

' EP A i.o. Nu w c E n gcop y from item J of Form 2; 0d3 No 2040-0096

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Pirase print of type in the unshaded artas only.

.,'IN0026450 Amoval expires 5-3192 d(a) u.s. EN vinoNM EN T A L PR O T EC TiO N A G E NCY j

. FORM

  1. h APPLICATION FOR PERMIT TO DISCHARGE WASTEWATER 2p

{g EXISTING MANUFACTURING, COMMERCI AL, MINING AND SILVICULTURAL OPERATIONS y

NPDES Consolidated Permits Program WFALL LOCATION

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For e:ch outfall, list the latitude and longitude of its location to the nearest 15 seconds and the name of the receiving water.

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m. L ATITu oE
c. Lo N GITU DE D. m gcEly tN G w AT E R [ndme) par;

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SEE PAGE 1 0F THIS FORM.

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l lL FLOWS, SOURCES OF POLLUTION. AND TREATMENT TECHNOLOG A Attach a line drawing showing the water flow through the f acility. Indicate sourtas of intake water, operations contrib,.iting westewster to the effluent.

End treatment units labeled to correspond to the more detailed descriptions in ltem B. Construct a water balance on the line drawing by showing average flows between intakes, operations,.. treatment units, and outfalls. If a water balance cannot be determined (e.g, for certain mining activities), provide a pictoriel description of the nature end amount cf any sources of water and any collection or tre.atment measures.

B. For each outtall, provide a description of: (1) All operations contributsng wastewater to tne effluent, including process westewater, sanitary wastewater, cooling water, and storm water runoff; (2) The everage flow contributed by each operation; and (3) The treatment received by the wastewater. Continue on sdditional sheets if necessary,

1. OPER ATION($1 CONTRIBUTIN G Flow
3. TR E ATM E N T t. O U T.

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a. OPE R ATIO N (list)

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a. DESCRIPTION T S C-(

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fTurbine Building Sump l

10 't (continued)

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Essential Raw Cooline

.0.03 med Flow will normally he 0 un1ps m Y

Y maintenance activities on the Water alternate drainaze I

from infrecuent ERCW system recuire eartial l

mninegnnnce.

svstem isolation and drainace.

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