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0L:' :TXU Business Services1601 Bryan StreetDallas, TX 75201-3411Tel: 214 812 8476Fax: 214 812 4395elXUGerald (Jerry) R.JohnsonGeneration Environmental Manager(Vka Overight Mall)August 26, 2003Executive DirectorTexas Commission on Environmental QualityBuilding F,Room 210112100 Park 35 CircleAustin, Texas 78753Attention:TXX-03121File No. 223Permits Administrative Review Section (MC 161)Water Quality Applications TeamComanche Peak Steam Electric StationTPDES Permit No. 01854Permit Renewal ApplicationDear Sir/Madam:Inaccordance with the rules and regulations of the Texas Commission on Environmental Quality(TCEQ), TXU Generation Company LP (TXU Generation) hereby submits one original and fourcomplete copies of an Industrial Wastewater Permit Application for renewal of the referencedTPDES Permit. This application consists of the lndustrial Administrative Report" (Revised 03/02)and the "Industrial Technical Report (Revised 12/01). A check for the required renewal fee of 2,015.00 was mailed on August 12,2003 to the TCEQ Revenues Section (Attachment A). Thissubmittal represents the formal application for renewal of the referenced permit.The Company appreciates the opportunity to submit this permit renewal application and isconfident of your careful consideration. If there are any questions, please contact Scott Wildeat 214/812-5221.Sincerely yours,KmsJIley, Jr.by: GeralR.Jhs1Generation Environmental ManagerSKWEnclosures'DO0i'9

bec:Randy Morrison(w/o Attachments)Bruce TurnerMr. D.H. Jaffe, NRR (w/o Attachments)tADI S. ------ r Amtr m ison,Attri: Document C(ontrol DeskGail Jespersen (wlo Attachments)T. A. O'Shea (Attachments B, C and D)David Rutledge (Attachments B, C and D)File: T. A. O'Shea

CORRESPONDENCESIGN-OFF SHEETDocument Number:TXX 03121Issued Date:CPSESAugust 14,2003Tide/Subject:Permit Renewal Application TPDES Permit No. 01854Commitment(s) Identified: No:Attachments: Commitments:Yes:Attachment:File Number:223Unit Affected:(1, 2, Generic)(if yes, list and attach)Enclosure:Distribution Sheet:Hand carry to next person for signatureFUNCTIONSpecial Instructions:Return to originator by:INITIALSSIGNATURE*SWIEHS OriginatorSKWJAICognizant ManagerRMlCOMMENTSlCORRECTIONSoAbABGT % 9 iAix[JKVice-President(s)7Legal ReviewProof ReaderXX XRA/EHS Mgr. (Last)GRJ*Signatureindicates approvalof the correspondencecontent, commitment status (if identified) andattachments (ifidentified)Associated IncomingCorrespondence InformationIncomingDocument No.ACL No.New ACL No.Outgoing (this document) CorrespondenceDocument talYesNoLicensingFee RequiredYesNoOther References:Comments:Upon Issuance of attached correspondence, modify tracking database as required and initial this form:NotaryRequiredYesNo

TEXAS NATURAL RESOURCE CONSERVATION COMMISSIONINDUSTRIAL WASTEWATER PERMIT APPLICATIONSUBMISSION CHECKLIST - SUBMIT THIS WITH THE APPLICATIONDO NOT SUBMIT THE INSTRUCTIONS WITH THE APPLICATIONINDICATE IF THE FOLLOWING ARE INCLUDED IN THE APPLICATION.WORKSHEETADMINISTRATIVE REPORT 1.0YNWORKSHEETADMINISTRATIVE REPORT 1.1WORKSHEET 6.0WORKSHEET 7.0VWORKSHEET 9.0SPIFTECHNICAL REPORT 1.0USGS MAPWORKSHEET 1.0AFFECTED LANDOWNER MAPWORKSHEET 2.0vFLOW DIAGRAMWORKSHEET 3.0 -WORKSHEET 4.0vWORKSHEET 4.1WORKSHEET 5.0SITE DRAWINGORIGINAL PHOTOGRAPHSSOLIDS MANAGEMENT PLANVWATER BALANCEPlease indicate by a check mark the amount submitted for the application fee:EPA Minor facility not subject to categoricalstandards promulgated by the EPA (40 CFRPart 400471) 350 350 315 150Minor facility subject to categoricalstandards promulgated by the EPA (40 CFRPart 400-471)Major facility* 1,250N/A *- 1,250- 2,050 1,215 2,015 150 450All facilities are designated as minors until formerly classified as a major by EPA.A COPY OF THE CHECK MUST BE SUBMITTED AS PART OF TIHE APPLICATIONSee Attachment A: Pavment of Application FeeFor Commission Use Only:Segment NumberCountyExpiration DateRegionProposed/Current Permit NumberPage 1

ADMINISTRATIVE REPORT 1.0 - INDUSTRIALTHE FOLLOWING IS REQUIRED FOR ALL APPLICATIONS. RENEWAL. NEW AND AMENDMENT.The instructions MUST BE FOLLOWED while completing the application. Failure to do so will result insignificant delays in the processing of the application.Type of application: (check all that apply)VNew TPDESNew TLAPMajor amendment to existing permitMinor modification to permitRenewal of existing permitMinor amendment to permitStorm water only dischargesIf applying for an amendment/modification to a permit, briefly describe the reason for the proposed amendment.IWA1.APPLICANT INFORMATION (Instructions, Page 13)a. Facility owner*: TXU Generation Company LPCharter Number (issued by the Texas Secretary of State): 800025435Mailing address for use on the permit and permit correspondence:Street No 1601Street name: BryanP.O. BoxCity: DallasStreet type StreetState: Texas Zip code: 75201-3411Telephone number (214)812-4600Tax Identification Number issued by the State Comptroller: Not ApplicableCharter Number (issued by the Texas Secretary of State): 800025435* Owr of thefcility must apply forthe permitCheck one:vThe TNRCC has issued this Customer Reference Number to the owner. CN:The owner has not yet received a Customer Reference Number. A completed Core Data Form (TNRCC-10400) listing the owner as a customer and this facility as the regulated entity is attached to this application.Note: A Core Data Form has been submitted, but no CN or RN has been issuedb. Co-Permittee information (complete only if the operator must be a co-permittee)Facility operator: Not ApplicableMailing address for use on the permit and permit correspondence:Street No.Street name:P.O. BoxCity:Street typeState: Zip code:Date of Birth:Telephone number.Tax Identification Number issued by the State Comptroller:Charter Number (issued by the Texas Secretary of State):Check one:The TNRCC has issued this Customer Reference Number to the co-permittee. CN:The co-pennittee has not yet received a Customer Reference Number. A completed Core Data Form(TNRCC-10400) listing the co-permittee as a customer and this facility as the regulated entity is attachedto this application.Industrial Administrative Report, TNRCC-10411 (Revised 3102PPage 2

Provide a brief description as to the need for a co-permittee.c. Individual information (complete only if the facility owner or co-permittee is an individual)Check one: Male FemaleName: Not ApplicableState Identification Number.Date of Birth:Assumed business or professional name:,Home address:Street name:Street No.City:P.O. BoxTelephone number.Business name:Check one:Street typeZip code:.State:The TNRCC has issued this Customer Reference Number to this person. CN:This person has not yet received a Customer Reference Number. A completed Core Data Form (TNRCC10400) listing this person as a customer and this facility as the regulated entity is attached to thisapplication.2.CONTACT INFORMATION (Instructions, Pages 14)Company: TXU Energy Company LLCName: Timothy A. O'Shea, Ph.D.Street No 16. 1P.O. BoxCity: DallasAdministrative contactvName:Check one or more:vTechnical contactCompany:E-Mail:Fax number:Telephone number:Street No.P.O. BoxStreet typeStreetState: Texas Zipcode: 7520143411Street name: BryanCheck one or more:E-Mail:Fax number: (214)812-5695Telephone number: (214)812-8413Street name: StreetCity:Administrative contactState:type:Zip code:Technical contact3.NOTICE INFORMATION (Instructions, Page 14)a. Individual publishing the noticesTelepi ione number: (214)812-8413Name: Timothy A. O'Shea, Ph.DFax number: (214)812-5695Company: TXU Energy Company LLCStreet No. 1601Street name: BryanStreet type: StreetState: Texas Zip code: 75201-3411City: DallasP.O. BoxIndustrial Administrative Report, TNRCC-104t1 (Revised 3102)Page 3

b. Method of receiving Notice of Receipt and Intent to Obtain a Water Quality Permit Package and Instructions(Check one)E-mail: E-mail address:11 ,vFax: Fax number(214)812-5695Overnight/Priority mail: (self addressed, prepaid envelope required)Street name:Regular Mail: Street No.Street type:P.O. Boxc. Contact in the noticeName: Timothy A. O'Shea, Ph.D.Company: TXU Energy Company LLCStreet No. 1601P.O. BoxState:.City:1rele1nhne.Zip:n.imehr, (214)812-8413Fax number (214)812-5695Street name: BryanStreet type: StreetCity: DallasState: Texas Zip code: 75201-3411d. Public place informationLocation of public building: Glen Rose, TexasPublic building name: Court Annex BuildingName: Candice Garrett, County Clerk's OfficeStreet No. 107(it,. Glen RoseTelephone number. (254)897-4427Street name: NE Vernonrountv SomervellStreet type: StreetState: TX Zip code: 76043FACILITY INFORMATION (Instructions, Pages 14-15)e 4.Expiration date: 03101/04a. State/TPDES Permit No. 01854Expiration date: N/ANPDES Permit No. WAThe TNRCC has issued this Regulated Entity Reference Number for this facility. RN:No Regulatory Entity Reference Number has been received for this facility. One or more completed CoreData Forms (INRCC-10400) listing this facility as the regulated entity is attached to this application.b. Plant Name: Comanche Peak Steam Electric StationCheck one:See Item I.a.vCounty in which the facility is located: SomervellCounty in which the outfall is located: Somervellc. Owner of the facility: TXU Generation Company LPd. Owner of land where the facility is/will be: TXU Generation Company LPIf notthe same as the facility owner, there must be a long term lease agreement in effect for at least six years. In some cases. a lease may nt suffice- see instructionsStreet No. 1601City: DallasStreet name: BryanState: TexasIndustrial Administrative Report, TNRCC-10411 (Revised 3102)Street type: StreetZip code: 75201-3411Page 4

e. Ownership of effluent disposal site: WAIf not the same as the facility owner, there must be a long term lease agreement in effect fbr at least six yearsStreet No.City:Street name:State: - Zip code.:Street type:f. Owner of sewage sludge disposal site: WAonly Tequired if authorization is being sought in the permit for sludge disposal on property owned/controlled by the applicantStreet No.City5.Street naStreet type:State: Zip code:LOCATION INFORMATION (Instructions, Pages 16-17)a. Is the location of the facility used in the existing permit correct:vYesNoIf no, or a new permit application, please give an accurate description:b. Is the point of discharge and discharge route in the existing permit correct:YesIf no, or a new or amendment permit application, please give an accurate description:vNoTo Squaw Creek Reservoir, thence to Squaw Creek, thence to the Paluxy River in Segment 1229 of theBrazos River Basin; or to Squaw Creek Reservoir, thence to Lake Granbury In Segment 1205 of theBrazos River Basin.c. If a TLAP, is the location of the effluent disposal in the existing permit accurate:Yes-NoIf no, or a new or amendment permit application, please give an accurate description:WAd. If a TLAP, provide the flow of effluent from the treatment facility to the effluent disposal site.WAe. For TLAP applications, please identify the nearest watercourse to the disposal site to which rainfall runoff mightflow if not contained: WAIndustrial Administrative Report, TNRCC-10411 (Revised 3102)Page 5