ML14007A081

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Byron, Units 1 and 2, Response to NRC Request for Additional Information, Dated November 21, 2013, Related to the Byron and Braidwood Stations, Units 1 and 2 License Renewal Application, Byron Station Applicant'S Environmental Report. Part
ML14007A081
Person / Time
Site: Byron, Braidwood  
Issue date: 12/19/2013
From:
Exelon Generation Co, Exelon Nuclear
To:
Office of Nuclear Reactor Regulation
Shared Package
ML14007A078 List:
References
RS-13-282
Download: ML14007A081 (55)
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Text

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-'-1 NuclearByron Station4450 North German Church RoadByron. IL 61010-9794 November 19, 2009LTR: BYRON 2009-0129 File: 2.09.0411 1.10.0101 Illinois Environmental Protection AgencyWater Pollution ControlCompliance Assurance Section #191021 North Grand Avenue EastP.O. Box 19276Springfield, IL 62794-9276 Subject-Byron Station Monthly Discharge Monitoring Report* In accordance with National Pollutant Discharge Elimination System (NPDES) Permit NumberIL0048313, issued September 8, 2000, we are submitting the Discharge Monitoring Report forByron Station, Units I and 2. This report covers the period of October 1, 2009 throughOctober 31,2009.If there are any questions regarding this report, please contact Mr. Stanley Kerr, Chemistry

Manager, at (815) 406-3200.

Respectfully, Bra1dley

.1 AdamPlant ManagerByron Nuclear Generating StationBJANZC/sdk Attachments NATIONAL POLLUTANT ODSHARGE ELMNATION SYSTEM (NPDES)-WOVA aUmOwfO nwBET pWQPERMrT'EE NADE/ADORESS NAME ExiWon GenserW Ca. LLCADDRESS 4300Wnks RoadWanmumv.

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DateCalculated MaximumAllowable BlowdownTemp. (Degrees F)Maximum ActualBlowdown Temp.(Degrees F)10/03/0910/10/0910/17/0910/24/0910/31/0912012012012012073.873.077.179.775.0Note: Station procedures derive the Calculated Maximum Allowable Blowdown Temperature based on existing Rock River temperature and a calculated maximum river temperature increase.

When the arithmetic sum of these values exceeds 120 degrees Fahrenheit, theCalculated Maximum Allowable Temperature limit defaults to 120 degrees Fahrenheit.

HYDRAZINE MONITORING:

There were no steam generator chemical cleaning solutions (or associated rinses)containing hydrazine discharged to the Cooling System Blowdown during themonth of October 2009.TOTAL QUANTITY DISCHARGED:

N/ATOTAL DURATION OF DISCHARGE:

N/Ak:byrsti~byrondbkkkMonth~yDMR~atuaWIýcObe0 ATTACHMENT TOCOOLING SYSTEM BLOWDOWN LINE (Outfall 001)DISCHARGE MONITORING REPORT (Page 2)For Exelon Byron StationPermit IL0048313 October 2009COMMENTS:

1. The weekly halogen concentration curves and daily halogen dosing time reportsare attached.
2. Bromine was not used this month.3. There was no discharge of steam generator chemical cleaning wastewater containing hydrazine in this month.4. Flow existed through this outfall 31 of 31 days.k:byr-chUMondbXckrkVAonddyDMRaft2tWlWobcrO9 EXELONBYRON STATIONPermit [L0048313 WEEKLY HALOGEN DOSING INFORMATION(Minutes) 10/01/09 40 4010/02/09 40 4010/03/09 45 4010/04109 40 4010105/09 40 40I69 40 4010/07/09 40 4010/0&/09 40 3910/09/09 40 4010/10/09 40 400/1I1/09 40 40HALOGEN DOSING CURVEConcentration of total residual chlorine/ialoen vs. minutes of chlorination period.Date: 10/05/09Time: 10:14Analyzed by: J. D.Reviewed by: D. M.Unit: 2Note: The limit of detection for the instrument as tested in the Station Laboratory is 0.02 mg/L. Allvalues less than this limit are reported for information only.2I-4-IT'%II I1 II I Iz1 I I I I 'r jI !ýI I IAr.142D0255075Miurte100125150 EXELONBYRON STATIONPermit 1L0048313 WEEKLY HALOGEN DOSING INFORMATION 2=atLieT(Minutes) 1 V0110/12109 30 3010/13/09 30 3010/14/09 30 3010/15/09 30 3010/16/09 30 3010/17/09 30 3010/ 18M0 34 32HALOGEN DOSING CURVEConcentration of total residual chlorine/halogen vs. minutes of chlorination period.Date: 10/12/09Time: 11:49Analyzed by: J. D.Reviewed by: D. M.Unit: INote: The limit of detection for the instrument as tested in the Station Laboratory is 0.02 mg/L. Allvalues less than this limit are reported for information only.(4 ItI- I I I II i i I I ITT-I II I i II I~ I I I I II I -EaCC.I* -*.. ..-t -l- --.----.'*1 , i , I Ti I I j IF ,,,.-.,.-..'

' i i I f i l____ KHLK ,0255075Minutm100125150 EXELONBYRON STATIONPermit [L0048313 WEEKLY HALOGEN DOSING INFORMATION (Minutes) 10/19/09 34 3510/20/09 30 3110/21/09 33 3310/22/09 32 3310/23/09 30 3010/24/09 35 3010/25/09 32 32HALOGEN DOSING CURVEConcentration of total residual chlorine/halogen vs. minutes of chlorination period.Date: 10/19/09Time: 10:58Analyzed by: T.M.Reviewed by: D. M.Unit: 2Note: The limit of detection for the instrument as tested in the Station Laboratory is 0.02 mg/L Allvalues less than this limit are reported for information only.I-mI ~ I I I I t I ~ I ~ ~ I __ ___ I ~55-I--0255075M11111ten 100125150 EXELONBYRON STATIONPermit [L0048313 WEEKLY HALOGEN DOSING INFORMATION (Minutes)

_IL U-210/26/09 30 3510/27/09 30 3010/28/09 30 3010/29/09 30 3010/30/09 32 3210/31/09 32 33HALOGEN DOSING CURVEConcentration of total residual chlorine/halogen vs. minutes of chlorination period.Date: 10/26/09Time: 10:45Analyzed by: J. W.Reviewed by: D. M.Unit: INote: The limit of detection for the instrument as tested in the Station Laboratory is 0.02 mg/L Allvalues less than this limit are reported for information only.IEIp.0 25 50 75 100 125Minutes150 Exelon.ExeGon Generation Company,.

LLC www.exeloncorp.com NuclearByron Station4450 North German Church RoadByron, IL 61010-9794 December 17,2009LTR: BYRON 2009-0133 File: 2.09.0411 1.10.0101 Illinois Environmental Protection AgencyWater Pollution ControlCompliance Assurance Section #191021 North Grand Avenue EastP.O. Box 19276Springfield, IL 62794-9276 Subject Byron Station Monthly Discharge Monitoring Report'In accordance with National Pollutant Discharge Elimination System (NPDES) Permit Number1L-0048313, issued September 8, 2000, we are submitting the Discharge Monitoring Report forByron Station, Units I and 2. This report covers the period November 1, 2009 throughNovember 30, 2009.If there are any questions regarding this report, please contact Mr. Stanley Kerr, Chemistry

Manager, at (815) 406-3200.

Respectfuly, BradlF J. AdamsPlant ManagerByron Nuclear Generating StationBJA/ZC/sdk Attachments NATMO POLLTANT DiSCHARGE EIJnAATION SYSTEM 1 D(NES)omaMoN oToWmos w, i p ocoumPEWAIEE HMBADUSNAME EWMl Gmsran Co.. LLCADDRESS 4300 Ro AWWWWawfls L GMSFADILITY OYMo Nidslo POrN SknLOCATION 4450 NoM Owmsn Chuc RoAWByron L 61010KLu'S3mi 0I --IOFI EFOF-Nw.tDgIIIIIIIIA&in rdmonmlE mA..NO MDHAR E MI VEAFI I MOM I I YEAR !QNTI4 DAY IFf=ro-T-gT i I i I o 71 Tat r= 9 I I 1 3 1 0 11001- QUANTITY Oft LOACM QUANTITY OR CONCENTRATM AvoLim mama uwre mmm AVEPAGEwr (26)LMLI)YLoomNT (28)LwWNTLgamJr, 60,PIT (20)(28) 0NATINA PO.JUTANT DISCI4MAE EUINATION SYSTEM "IDES)NDAM Eumlon Genastan Ca., U.CACOMUS 4300 Wh*d PoAWWanuwls.

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9 1ATTACHMENT TOCOOLING SYSTEM BLOWDOWN LINE (Outfall 001)DISCHARGE MONITORING REPORTFor Exelon Byron StationPermit IL0048313 November 2009BLOWDOWN TEMPERATURE MONITORING:

Date11/07/0911/14/0911/21/0911/28/09Calculated MaximumAllowable BlowdownTemp. (Degrees F)Maximum ActualBlowdown Temp.(Degrees F)12012012012085.480.976.777.6Note: Station procedures derive the Calculaed Manumm Allowable Blowdown Temperature based on existing Rock River temperature and a calculated maximum river temperature increase.

When the arithmetic sum of these values exceeds 120 degrees Fahrenheit.

theCalculated Maximum Allowable Temperature limit defaults to 120 degrees Fahrenheit.

HYDRAZINE MONITORING:

There were no steam generator chemical cleaning solutions (or associated rinses)containing hydrazine discharged to the Cooling System Blowdown during themonth of November 2009.TOTAL QUANTITY DISCHARGED:

N/ATOTAL DURATION OF DISCHARGE:

N/Ak:byr-ch~bymndb~ceModdyDMR~attadtOi\Nov q.ATTACHMENT TOCOOLING SYSTEM BLOWDOWN LINE (Outfall 001)DISCHARGE MONITORING REPORT (Page 2)For Exelon Byron StationPermit II0048313 November 2009COMMENTS:

1. The weekly halogen concentration curves and daily halogen dosing time reportsare attached.
2. Bromine was not used this month.3. There was no discharge of steam generator chemical cleaning wastewater containing hydrazine in this month.4. Flow existed through this outfall 30 of 30 days.k:byrtchbynd&Ia~koaddyDMRaat WIVNovO9 EXELONBYRON STATIONPermit IL0048313 WEEKLY HALOGEN DOSING INIFORMATION Datel(,Minutes) 11/01/09 30 3011/02/09 30 3211/03/09 30 3011/04/09 31 3111/05/09 32 31I11/06/09 30 3011107/09 30 3011/08/09 30 30HALOGEN DOSING CURVEConcentration of total residual chlorine/halogen vs. minutes of chlorination period.Date: I1 [02/09Time: 11:13Analyzed by: G.S.Reviewed by: D. M.Unit: 2Note: The limit of detection for the imtrument as tested in the Station Laboratory is 0.02 mg/L Allvalues less than this limit are reported for information only.0.0 25 50 75 100 125Minutes150

.q'aEXELONBYRON STATIONPermit 1.0048313 WEEKLY HALOGEN DOSING INFORMATION (Minutes) 11/09/09 30 30SI/l(109 30 3011112/09 30 3011/12/09 31 3011/13/09 33 3111/14109 28 2911/15/09 30 22HALOGEN DOSING CURVEConcentration of total residual chlorine/halogen vs. minutes of chlorination period.Date: 11/09/09Time: 12:20Analyzed by: D. C. A.Reviewed by: D. M.Unit: INote: The limit of detection for the insatrument as tested in the Station Laboratory is 0.02 mg/L Allvalues less than this limit are reported for information only.0.14.120.00H h-W-I I I 1ii_ _ It__I _ j .m, II I *I~-1~ f~0255075Minutes10012515040 I-EXELONBYRON STATIONPermit IL.048313 WEEKLY HALOGEN DOSING INFORMATION (Minutes)

U-I IU-211/16109 25 2511/17/09 25 2511/18/09 21 1711/19/09 18 1811/20/09 18 1811/21/09 18 18i 1/22109 20 1 19HALOGEN DOSING CURVEConcentration of total residual chlorine/halogen vs. minutes of chlorination period.Date: 11/18/09Time: 10:28Analyzed by: J.W.Reviewed by: D. M.Unit: 2Note: The limit of detection for the instrument as tested in the Station Laboratory is 0.02 mg/L. Allvalues less than this limit are reported for information only.(f00 25 50 75 100 125Minutls150 It, EXELONBYRON STATIONPermit IL0048313 WEEKLY HALOGEN DOSING INFORMATION D[LI(Minutes) 11/23/09 28 2511/24/09 27 2411/25/09 17 1711/26)09 16 1611/27/09 17 1711t28/09 25 2511/29/09 25 251113/309 20 20----EMM=HALOGEN DOSING CURVEConcentration of total residual chlorine/halogen vs. minutes of chlorination period.Date: 11/23/09Time: 11: 11Analyzed by: M. K.Reviewed by: D. M.Unit: INote: The limit of detection for the instrument as tested in the Station Laboratory is 0.02 mg/L. Allvalues less than this limit are reported for information only.0.500.480.460.440.420.400.380.3680.340.320.300.280.260.240.220.200.180.160.140.120.100.080.060.040.020.00-'ntI ....:--I, .-----*** ....... ISIi t L0255075Minutes1001251is0@

  • " JExelon,..

Exelon Generation iLC www.exeloncorp.com NuclearByron Station4450 North German Church RoadByron, IL 61010-9794 January 21, 2010LTR: BYRON 2010-0011 File: 2.09.0411 1.10.0101 Illinois Environmental Protection AgencyWater Pollution ControlCompliance Assurance Section #191021 North Grand Avenue EastP.O. Box 19276Springfield, IL 62794-9276

Subject:

.

Byron Station Monthly Discharge Monitoring ReportIn accordance with National Pollutant Discharge Elimination System (NPDES) Permit NumberS 110048313, Issued September 8, 2000, we are submitting the Discharge Monitoring Report forByron Station, Units 1 and 2. This report covers the period of December 1, 2009 throughDecember 31, 2009.Special Condition 5 of the NPDES permit requires the station to weigh the copper anodes at theend of the zebra mussel control season and to Include the total mass of copper used in thedischarge monitoring report. The zebra mussel copper ion skids were shutdown onDecember 2, 2009. The anodes of the OA copper Ion skid were removed and weighed onJanuary 8, 2010. The anodes of the OB copper ion skid were removed and weighed onJanuary 8, 2010. The total mass of copper used for zebra mussel control was 214 pounds.If there are any questions regarding this report, please contact Mr. Stanley Kerr, Chemistry

Manager, at (815) 406-3200.

Respectfully, Da Zel .EnihSite President Byron Nuclear Generating StationDJE/ZC/sdk Attachments NATIOA POUATANT DISC*ARE ELMINATION SYSTEM (NVES)OMNM MOIToW0'm RUEPORT PEinEE NAM SSDDtNAME E~m Qsnrtaln Co.. LLWADDPM8 4=Wh RoadWaimwk.t ILUSWI L09"U3I EW NUBEI AM IMONIOWAO 610[ IEONM-F- powiUNiNAUWin 11n01RATE (WA)1"lwwn omiFACILITY 3PM wi acw Pass, SaOn D om ALOCATION 4480 NWO Osom Chult Roa FmM 19 1 1 0 1 1~JZDpimi L SI0MII VEAR I MONTH I DAY IIqi -l -[, I ,," II To:! 0L LI 9 [1 2 1S 3 1 1 0aNATIONAL POLLUTANT DISCHARGE EJMANATION SYSTEM (NPDES)-ICHMMI IonM REORT (DWwI)tWWEOATEE tNeMEJPDOESS MW Ezuin Gansua Cm.. LLCoADnMW 4aaob F~i .Weiiwwbt.

L lSMFAClLI1Y By=MW c hii Pam M 8LOCAION 4450 NOM Gwmfm Chuh Roadftnm L 61010I Mowlmai Fev" ýI IIAM 0I 560imm Fu~- -1l

  • _ _ lMmoIA RANANTE (M~A)WRAuw**No DCammamIW oI MOIT I W 'I MONTH I Rom1 0 1 9 11121011I TO: 0 19 1 1 1 2 1 3 11 II II
  • It ---

NATIONA POWJTrANT DSCN4ARGE SJUNATIOtI SYSTEA M (E)Dom ummicw POROocm-O~rE NA~f -DVNAME Eson O..a~ COm LLW-DM 43GODWt RmdW&UUWUSW L UNGFACNlTY SkylM MasitW PWM 9dMLWCAIINMU 40NOMOM GM~ othAN&I=%~ L 610101 1 2I-- .. ..- iImnolI PEin 'mAET*UI CARMUMBR II ~ MO~fOFoG I~Y EAR I MO I DAY I Y EAR IMMN I DAYSImP WRUUW W0015e)1111L17bouMOU Ftm 0 1 o I I 1 2 1 01 1 ToI 0 I 0 I 1 1 2 i $1 3 Iqi ii i ......uwm t ##gooIII, 0NATKONA POLUITANT DISCHARGE ELMNATION SYSTEM (NPDES)0m9CHMu uONI mRwREOR (WIPEF*ATTE NAMEIADDRESS NAME E~m Oerdagn Co.. LLWADDRESS 4300 Wbr PloadWarrorwif.

L MUFAMW1 "ya FNadsew Paner ftftnLOCATON 4450 Norl GSwflM Chuc RoadOyon. L 61010I ... aImi nII PEWNMII,, -1i m mI YEA MOA M, D II YEAR1 v I mom" llý ~ -,DA II EAANAM(UVUKOI)P. BALWWIP(F0 OIR C)-iNff... NO EscRNesFrml 0 I 1 1 1 2 1 0 1 TO: 0 1 6 1 1 1 2 1 3 I 11.....i if* ii l .....

PE-fTE -.MDRSp 30 Genamian Co.. LLWADDAM 43OW~k RoadWNWrWW. L MMGFAOIJfl Ilym *&cAlm P~m ftaLWrATIN MW8 Norl Osman Chi RoodSpa%. L S10MNATIONAL POULUTANT DISCHARGE EUMNATIOt4 SYSTEM (NPOES)ONHAMNWw pRENOTOLO0M3I eel 0 (11PEFT iNU OVCHAMOE NWASIM EAwI IraYER M lONTH DAY I VI I MONIT DAYPm 1 0 1 1 1 2 0 1 T oT: 10 19 1121 2 11WWIP (P0 0010)111161* 0* NO OMARGE EJ 00NATOMA POL.UTANTr OLD4CHARE BIMNATION SYSTr4 -OWMWA -OWORWO wl~rr OWDocntPEgMME NAEADRN"~ F 'mb Osmavaln Co.. LLWADDRESS 4M Wh PW ReWwWann~~LUN FACUJIY S'Mn WOWds PVM 8SanLOCAUON 4410 NOM OWMan Chu~ RoAd%M~~ L 61010L094M3PERWNUýI1IOmNI --IPIEWMMO~fW PEPYEAR IMONT AY I DAA MONTH I DAYFm,1 0 I 9 I 1 1 2 I 0 I 11 T:l 0I _ I 1 I 2 I 3 1 1 IF- USARADWAM TETMA1H(FOFA U0)*i"41 No oSoHAR" " " l JR l l NAToNA POU.rTANT DISCHARGE ELMNAnTON SYSTEM (WOES)--MA N wow rM poE (U)PER -T NAMBADRNAME Einoon Ogwwalin Co. LLZADDRESS 4=0 Wk"~ oA~dWanwwins.

LUOGWII-ON 0DOmCIKVMONUEMR IU14DR(SU~l1)FPum-GTOýAIM(P0 UIU95 -Ilmm ifm, pFACILITY Oyma M~dsam Pow ftloLWACHO 4460 Nmrl Gwmm Cha Flood mwarUmn. IL 01010alumlDAYD r I Tal sz&Pg.1UII m o IDMAYI DAY0 1l9 1 2 3, 1 1St oo n14*~mcsmini i I I m i iwumsI(28)uww~MOL(20) 19) SooWay(28) (14 500LOWDY Mft DAILYi4lt POWAL*(28) 0.10 027 (19) smDAILY(20 No-I -I -IIa ~s Uwhw. t sam.E a aam.ip a~wIe ~ ehow .u gm1b s d i u gg -a us s sa~ bia.L um aamNr.wLIII(I* III IFUNW WLANA11ON OPMYOA1IONS4UýbaM ainMs h1. No Twbwe bqig nukmasusnmgu WI Safm,. ftxwNi md wftmsf2. Thwwtwt&&nsWmp wprmwdsedm gsWU wIcu Iae gamoKmk*AUt.

insiO 0NATIONAL POLLUTANT DISCHARGE ELMNATION SYSTEM (NOE)m w API POocmPEMrrTW NABADEJ S8NAME Emuon OGWM~a Co, LW-DFU 4300 Wftis PoadWanwwls.

L SONGo ..r-IUI 0B(amS 01)p.9gw.I ...... II -FACLffY "yw tHadua Pam SWtnWLOCA 4480 NorihGoor Church Moad01=4. L 61010YEAR I ONTH I DA r 1 EAI MONTH I DAYI 1 1 2 1 3 1 TH* *

  • NO 018CPArM ID! II It I ---I II NATIONAL POLLUTANT DISCHARGE EIMNATION SYSTEM (NPDES)ONN)NAMi uMDm'oFWO wAPR JH)-EWE -A~ADFANAME talo '? mwon Cm:. LLCA0086W 4300Whbs RoadWanuwwb.

L. 6USGLIWOlSI 0mIBCII -EFOWNAA-(1UP01)F- FIA-0ms~m in0W"o-WAMNoo siS commF*CI1Y B ,r Pot.,,,n oYEAR I MONTH I DAY 1 YEAR I MONT" I DAYLOCATION 44m50 ,,Mwmsannau AaW Fm-1 0 0 I 1 1 1 2 I0 1 Tl 0 I 1 2 3 3 1 1&pn.L 41010 0HAllOA POLUATANT DIoC0ARGE BAUNATON SYSTEM (NPOES)PERMAIEE RWFJDOAESS NAMEa E)Wwa Oseagon Oa. LLCADWRESS 4301 WMWd RloadWOW OKellLOMe FACLJ1Y iron mftmirPORWShio LOCAflON 4450 Nod Gwmm Cftx AwWinyiwL 61010I LosimlaEwN -I ~me INAARP(imbW)F- 1M.L6TONWAIMUMIOWMUSEOVEWLOW STOWAIM.*NO 306AmMOgflONWIG nEFOOYEAR IMOM I DAY _j IYEAR IMOPNllI DAYiFmikn 1 0 1 S 1 1 1 2 1 0 1 1Il1.019111213111

.....* P.....l l NANT&KAL POLWFANT DISCHARE EUIUNAllON SYSTEM (NOES)-NHR MOuTOINN wDM GWQ6NLAME Emlan Bawalonf Co, U.C-DRI dm0Wkhisw RacdWwamwfs.

EoI NAM I3II-Son 0I8101111AIM RIINOW SAME OVERFLOW91 01 SOEATMFAMM1 Byron MmfgtW PrM ObdoLOCATION MIUDNOM Q. Churc RacdByro. L. 61010I IMONTH DAY I I mo I I EYFI= 1 0 1011 ITo 1 1 1 I 12 1 3 1 1I*s

  • 0OSCHARGE E .

ATTACHMENT TOCOOLING SYSTEM BLOWDOWN LINE (Outfall 001)DISCHARGE MONITORING REPORTFor Exelon Byron StationPermit IL.0048313 December 2009BLOWDOWN TEMPERATURE MONITORING:

DateCalculated MaximumAllowable BlowdownTemp. (Degrees F)Maximum ActualBlowdown Temp.(Degrees F)12/0510912/13/0912/1910912/26/0912012012012068.470.567.264.0Note: Station procedures derive the Calculated Maximum Allowable Blowdown Temperature based on existing Rock River temperature and a calculated maximum river temperatum increase.

When the arithmetic sum of these values exceeds 120 degrees Fahrenheit, theCalculated Maxinum Allowable Temperature limit defaults to 120 degrees Fahrenheit.

HYDRAZINE MONITORING:

There were no steam generator chemical cleaning solutions (or associated rinses)containing hydrazine discharged to the Cooling System Blowdown during themonth of December 2009.TOTAL QUANTITY DISCHARGED:

N/ATOTAL DURATION OF DISCHARGE:

N/Ak:byr-cb\byrundb\ckrk\MonthlyDMR\abwW[\Deco9 ATTACHMENT TOCOOLING SYSTEM BLOWDOWN LINE (Outfall 001)DISCHARGE MONITORING REPORT (Page 2)For Exelon Byron StationPermit [10048313 December 2009COMMENTS:

1. The weekly halogen concentration curves and daily halogen dosing time reportsare attached.
2. Bromine was not used this month.3. There was no discharge of steam generator chemical cleaning wastewater containing hydrazine in this month.4. Flow existed through this outfall 31 of 31 days.k:byr-chymn&kkrkMoniblyDMRUuacbOlU)ocO9 EXELONBYRON STATIONPermit I1.0048313 WEEKLY HALOGEN DOSING INFORMATION (Minutes) 12101/09 18 1812/02/09 18 1812/03/09 20 2012/04/09 18 1812/05/09 18 1812/06/09 18 18HALOGEN DOSING CURVEConcentration of total residual chlorine/halogen vs. minutes of chlorination period.Date: 12/02/09Time: 11:20Analyzed by: D.L.Reviewed by: D. M.Unit: 2Note: The limit of detection for the instrument as tested in the Station Laboratory is 0.02 mg/L Allvalues less than this limit are reported for information only.II50 25 50 75 100 125Minutes150 EXELONBYRON STATIONPermit 1L0048313 WEEKLY HALOGEN DOSING INFORMATIONDpsina Time(Minutes) 12/07/09 20 2012A/8&09 20 202/09/09 20 2012/10/09 20 2012/I11/09 0 012/12/09 0 012/13/09 0 0HALOGEN DOSING CURVEConcentration of total residual chlorine/halogen vs. minutes of chlorination period.Date: 12A)7/09Time: 12:40Analyzed by: G.S.Reviewed by: D. M.Unit: INote: The limit of detection for the instrument as tested in the Station Laboratory is 0.02 mg/L. Allvalues less than this limit are reported for information only.60 25 50 75 100 125Minutm150 EXELONBYRON STATIONPermit [L0048313 WEEKLY HALOGEN DOSING INFORMATION Date Dosin Time(Minutes)

Iu-t12/14/09 20 2012/15/09 16 2012/16(09 20 2012/17/09 20 2012/18109 20 2012/19/09 18 1812/20/09 18 19HALOGEN DOSING CURVEConcentration of total residual chlorineihalogen vs. minutes of chlorination period.Date: 12/14/09Time: 11:45Analyzed by: E. G.Reviewed by: D. M.Unit: INote: The limit of detection for the instrument as tested in the Station Laboratory is 0.02 mg/L Allvalues less than this limit are reported for information only.0 25 50 75 100 125Mlnuts150 EXELONBYRON STATIONPermit IL0048313 WEEKLY HALOGEN DOSING INFORMATION (Minutes) 12/21/09 18 1912/22/09 19 1912/23/09 18 1712/24/09 18 1812/25/09 20 2012/26/09 20 2012/27/09 20 20HALOGEN DOSING CURVEConcentration of total residual chlorine/halogen vs. minutes of chlorination period.Date: 12/21/09Time: 13:36Analyzed by: J.W.Reviewed by: M. H.Unit: INote: The limit of detection for the instrument as tested in the Station Laboratory is 0.02 mg/L Allvalues less than this limit are reported for information only.60 25 50 75 100 125Mlnutm150 EXELONBYRON STATIONPermit 1L0048313 WEEKLY HALOGEN DOSING INFORMATION (Minutes)

UIL U-212128&09 17 1612/29/09 17 1712/30/09 20 1812/31/09 17 18HALOGEN DOSING CURVEConcentration of total residual chlorineIhalogen vs. minutes of chlorination period.Date: 12/28/09Time: 13:03Analyzed by: M.P.Reviewed by: D. M.Unit: 2Note: The limit of detection for the instrument as tested in the Station Laboratory is 0.02 mg/L. Allvalues less than this limit are reported for information only.0.500.46 z0.440.42 -0.40 t[0.38 .--I]0.38 _Ip0.36 --7 -------------------0.34 -0.322 t 10.30 "-0.200.18 -----~*- -Tgoz{ _ I It0.106~+/-0.14_l iT !0.lO --t I I0.08 -----------

0.06 Z ., ....0.02 -'o0 .00 ,+ _1! ! ,0255075Mlnutes10012515C

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