ML14007A090

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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 7 of 15
ML14007A090
Person / Time
Site: Byron, Braidwood  Constellation icon.png
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: ML14007A090 (68)


Text

Byron Environmental Audit -Request for Additional Information Response Question #: HH-1 Category:

Human Health Statement of Question: Provide NPDES monthly discharge monitoring reports for the past five years.Response: The NPDES monthly discharge monitoring reports for all months of years 2008 through 2012 and January through July 2013 are provided.List Attachments Provided: 1. NPDES monthly discharge monitoring reports for January 1, 2013 through July 31, 2013.2. NPDES monthly discharge monitoring reports for January 1, 2012 through December 31,2012 3. NPDES monthly discharge monitoring reports for January 1, 2011 through December 31,2011 4. NPDES monthly discharge monitoring reports for January 1, 2010 through December 31,2010 5. NPDES monthly discharge monitoring reports for January 1, 2009 through December 31, 2009 6. NPDES monthly discharge monitoring reports for January 1, 2008 through December 31,2008 Exelon.Exclor' Copan y. tC w%,vvexelonrop corn Nuclear Byon Statton 14SO i'orth Cerm.ln Church Road Byton. IL 61010-9794 February 19,2010 LTR: BYRON 2010-0019 FIle. 2.09.0411 1.10.0101 ImUoi E-- nmew talaon Agency Wader PoUon Contol VONMe Assuance Setn #19 1021 Nor Grad Avwius Ead P.O. Box 17s Sp 1 gOsd. IL W794.U7S.suy ron Staton Mw" Oleol Mo t PeW In accomoance t National Pollulant Dhdag Elminatlon System (NPDES) Peam* Number 11004813, Issued September 862000, m are smAtNO fte Dble p MoItAog Rot for B1ron S0t1i. Unts I aid 2. This rep coe the period Aua 1.2010 dwoug anuasy 31.2010.If ther ane any questions regartlng USt report please ponacte Wr Stanley Kerr, Chemistry MWWagM at (615) 406'%00.Bale 4J. aMe Plen At rmg Byron Nuclea Gmting Station BjNfCA AttadchMN I

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Date Calculated Maximum Allowable Blowdown Temp. (Degrees F)Maximum Actual Blowdown Temp.(Degrees F)01/02/10 01/09/10 01/16/10 01f23/10 01/30/10 120 120 120 120 120 68.0 70.2 64.8 74.1 73.8 Note: Swi procedures derive the C4lclaed Maou w A w Blowdmw Temprature based on exising Rock River tempersure and a cakulated muximum river temperaure hicese. When the arithmetic sum of throe values exceeds 120 depem Fahrehekz the CAlul Maiamnm A&waUe Tewpevutmre limit defaults to 120 degrees fahrwieiL HYDRAZINE MONITORING:

There we no steam generator chemical cleaning solutions (or associated rinses)containing hydrazine discharged to the Cooling System Blowdown during the month of January 2010.TOTAL QUANTITY DISCHARGED:

N/A TOTAL DURATION OF DISCHARGE:

N/A k:b)T-cMbylýWkU4m6JyDMRMn*O[UmlO ATTACHMENT TO COOLING SYSTEM BLOWDOWN LINE (Outfall 001)DISCHARGE MONITORING REPORT (Page 2)For Exelon Byron Station Permit EL0048313 January 2010 COMMENTS: 1. The weekly halogen concentration curves and daily halogen dosing time reports are 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 throush this outfall 31 of 31 days.0 kbt~~wodftdm&cW*W=&WyMlAUNMWUmaIO EXELON BYRON STATION Permit !110048313 WEEKLY HALOGEN DOSING INIORMATION

____ (Minutes)01/01/10 19 18 01/02/10 17 17 01/03/10 18 17 01/04/10 16 20 01105/10 16 19 01/06/10 21 17 01/07110 20 Is 01=01/10 20 Is 01/09/10 18 19 01/10/10 19 19=HALOGEN DOSING CURVE Concerations of tow rnidualtineIhal n vs. minutes of chlorination period.Doe: 01/05/10 Time: 10.35 Analyzed by: M.P.Reviewed by: D. M.Unit: I Note: The limit of detection for the imnrument as tested in de Station Laboratory is 0.02 mg/L All values less d=a dtis limit am reported for binf ation only.I 0 25 so 75 100 125 Mlrutm 150 EXELON BYRON STATION Penmit IL0048313 WEEKLY HALOGEN DOSING INRORMATION (M*__IL-L_ U-2 01/11/I0 20 20 01112/10 20 21 01/13/10 20 20 01/14/10 19 20 01/15/10 20 20 01/16/10 20 20 01/17/10 20 20 HALOGEN DOSING CURVE Concentration of toal rsidual vs. minutes of chlorination period.Date: 0111/I10 Time: 11:IS Analynsd by: F-F.0.Reviewed by: D. MK Unit 2 Note: The limit of detection for the iauuumew as tMeed in die Station Laboratory is 0.02 mg/L All values less than this limit wreported for infobrmtion only.I'I'.4 I f ED i, I'4 0 0 25 50 75 Mhiui 125 4 EXELON BYRON STATION Permit LO0D48313 WEEKLY HALOGEN DOSING INR)RMATION 01/18/10 20 20 01/19/I0 19 19 01120w10 20 20 01121110 20 20 01122/10 20 20 01/23/10 20 20 01174110 20 20 HALOGIEN DOSING CURVE Concentrion of total nidual cbiorineibuloen vs. minutes of chlorination period.1ra: 11:55 Analyzed by: T. hL Reviewed by: D. h.Unit: I Note: The limit of detection for the insumem u tested in the Station Laboragoy is 0.02 mg/L All valu ess dum this limit am rexoted for infomuttio only.I 8 E 0 25 50 75 100 125 Mbwinst 150 EXEL.ON BYRON STATION Permit 1L30048313 WEEKLY HALOGEN DOSING INFORMATION DLm 01/25/10 20 20 0126/110 20 20 01/27/10 20 20 01128/10 20 20 01/29/10 20 21 0113010 22 21 01/31/10 21 20 HALOGEN DOSING CURVE of total residual Ahloinebalosen vs. minutes of chlorination period.Date: 01125/10 Time: 12:43 Analyzed by: J.W.Reviewed by: D. M.Unit: 2 Note: we limit of detection for the instrment as wled in the Station Laboratory is 0.02 mngL All vales lss than this limit are repnto for nfrmation only.1.44~U~4 -U -U -* -U-.- q~4-p-I I itt i I I I I I ii I I t I I I I I I]-4-i ._ -1 i .T I I I I i I! l I 9-.'.-*1 --.- ~1~1 11 1 ; i f 'I ! !! I I -T t I i I t l * ] t[i 1.22.14.12.... 4 i U 0 .... ...... .____ I I i 1 Vl i 1 I ____________ll__i i ,, ___________!

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___ ___ ___-r.--r --'i!U,-.-.-I 0 25 50 75 MinutN 100 125 Exelkn.Exelon Generation Company1, ILC ,,,,exeloncorp~com Nuclear Byron Station 4450 North German Church Road Byron, IL 61010- 9794 March 18, 2010 LTR: BYRON 2010-0025 File: 2.09.0411 1.10.0101 Illinois Environmental Protection Agency Water Pollution Control Compliance Assurance Section #19 1021 North Grand Avenue East P.O. Box 19276 Springfield, IL 62794-9276

Subject:

Byron Station Monthly Discharge Monitoring Report In accordance with National Pollutant Discharg Elimination System (NPOES) Permit Number IL0048313, Issued September 8, 2000, we are submitting the Discharge Monitoring Report for Byron Station, Units 1 and 2. This report covers the period of February 1, 2010 through February 28. 2010.If there are any questions regarding this report, please contact Mr. Stanley Kerr. Chemistry Manager, at (815) 406-3200.Respectfully, Bradley J. Adams Byron Nuclear Generating Station BJNZC/vb Attachments NATIONAL POWJUTANT DUSCAVRGEUBMMATION SY8TBA (NPOES)DNMXLVMm WO1 111RMI(mmaOO PERIfM NAEMRSS NAM Ew Omwdma Oc. LLW ADDRS 430 AW fted WmanwOK~LO1N

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Date Calculated Maximum Allowable Blowdown Temp. (Degrees F)Maximum Actual Blowdown Temp.(Degrees F)02)06/10 02/13/10 02/20/10 02/27/10 120 120 120 120 69.9 67.4 68.5 74.9 Note: Station procedure derive the Cakulaed Mawnm AUo'*ble Blo* m Temperature baned on existing Rock River and a calculated maximum river tempeature increase&

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

the Cakadted Ma.amwn A//owable 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 the month of February 2010.TOTAL QUANTITY DISCHARGED:

N/A TOTAL DURATION OF DISCHARGE:

N/A k:byrcblhyr.dbkck IoabMRwl~rbIO AITACHMENT TO COOLING SYSTEM BLOWDOWN LINE (Outfall 001)DISCHARGE MONITORING REPORT (Page 2)For Exelon Byron Station Permit 1L0048313 February 2010 COMMENTS: 1. The weekly halogen concentration curves and daily halogen dosing time reports are 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 28 of 28 days.k.-byr-cbbyýkdAMam&IyDMRWwWlTvbiO EXELON BYRON STATION Permit IL0048313 WEEKLY HALOGEN DOSING INFORMATION Daw Dosing Time (Minutes)02/01/10 18 20 02/02/10 20 20 02/03/10 20 20 02/04/10 20 20 0./02/10 20 20 02/06/10 20 21 02/07/10 20 22 HALOGEN DOSING CURVE Concentration of total residual chlorine/halogen vs. minutes of chlorination period.Date: 02/01/10 Time: 10:52 Analyzed by: J. J. P.Reviewed by: D. M.Unit: I Note: The limit of detection for the instrument as tested in the Station Laboratory is 0.02 mg/L All values less than this limit are reported for information only.50.0.42 8.160 0.12@0.0 z K j I I ....... iZ.IL I +/-TrT I 4 ffi '-- I-t , i 0 25 50 75 Mlnutm 100 125 150 EXELON BYRON STATION Permit IL0048313 WEEKLY HALOGEN DOSING INFORMATION Ino Dosngflhu 02/08/10 20 20 02/09/10 20 20 02/10/10 20 19 02/1 /110 20 20 02/12/10 20 20 02/13/10 20 20 02/14/10 20 20 HALOGEN DOSING CURVE Concentration of total residual chlorineihalogen vs. minutes of chlorination period.Date: 02/08/10 Time: 11:35 Analyzed by: J. E. D.Reviewed by: D. M.Unit: 2 Note: The limit of detection for the instrument as tested in the Station Laboratory is 0.02 mg/L All values less than this limit are reported for information only.I 0 25 50 75 100 125 MinutS 150 0 EXELON BYRON STATION Permit 1L0M48313 WEEKLY HALOGEN DOSING INFORMATION (Minut 02/15/10 20 20 02/16/10 20 20 02/17/10 20 20 02/18/10 20 22 02/19/10 25 25 02/20/10 25 25 02=21/10 20 25 HALOGEN DOSING CURVE Concentration of total residual chlorine/aMlogen vs. minutes of chlorination period.Date: 02/15/10 Time: 12:45 Analyzed by: G. N. P.Reviewed by: D. M.Unit: I Note: The limit of detection for the insrment as tested in the Station Laboratory is 0.02 mg/L All values less than this limit are reported for information only.I I I 0 25 50 75 100 125 Minutes EXELON BYRON STATION Permit ML0048313 WEEKLY HALOGEN DOSING INFORMATION Date u- I I U-2 02/22/10 20 20 02/2r/10 20 20 0/410 20 20 02/25/10 20 20 02/26/10 25 25 02/27/10 25 20 02/28/10 20 20 HALOGEN DOSING CURVE Concentration of total residual chlorine/halogen vs. minutes of chlorination period.Date: 02/22/10 Time: 12.00 Analyzed by: JLED.Reviewed by: D. M.Unit: 2 Note: The limit of detection for the istemnt as tested in the Station Laboratory is 0.02 m&/L All values less than this limit we reported for information only.I 0 25 50 75 100 125 Mnubtm 150 www~orpom xek n Exelon Generation Company, m ' ' Nuclear Byion Station 4450 North German Church Road Byron. It 61010-9794 April 20, 2010 LTR: BYRON 2010-0032 File: 2.09.0411 1.10.0101 Illinois Environmental Protection Agency Water Pollution Control Compliance Assurance Section #19 1021 North Grand Avenue East P.O. Box 19276 Springfield, IL 62794-9276

Subject:

Byron Station Monthly Discharge Monitoring Report In accordance with National Pollutant Discharge Elimination System (NPDES) Permit Number 110048313, issued September 8, 2000, we are submitting the Discharge Monitoring Report for Byron Station, Units I and 2. This report covers the period of March 1, 2010 through March 31, 2010.If there are any questions regarding this report, please contact Mr. Stanley Kerr, Chemistry Manager, at (815) 406-3200.Respectfully, 14ralJ dams Plant Manager Byron Nuclear Generating Station BJA/ZC/sdk Attachments

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ATTACHMENT TO COOLING SYSTEM BLOWDOWN LINE (Outfall 001)DISCHARGE MONITORING REPORT For Exelon Byron Station Permit IL0048313 March 2010 BLOWDOWN TEMPERATURE MONITORING:

Date Calculated Maximum Allowable Blowdown Temp. (Degrees F)Maximum Actual Blowdown Temp.(Degrees F)03A)6110 03/14/10 03/20/10 03/27/10 120 120 120 120 71.5 78.6 70.1 74.7 Note: Station procedures derive the Caklulated Mawu Aowabke 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, the Cakulated 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 the month of March 2010.TOTAL QUANTITY DISCHARGED:

N/A TOTAL DURATION OF DISCHARGE:

N/A k.byr-ch"f=WftiaMonftDMRNeftMlWvblO ATTACHMENT TO W COOLING SYSTEM BLOWDOWN LINE (Outfall 001)DISCHARGE MONITORING REPORT (Page 2)For Exelon Byron Station Permit 1L04313 March 2010 COMMENTS: 1. The weekly halogen concentration curves and daily halogen dosing time reports are 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.0 0 k.-byr-cb"mndkkrMMow*DMRWuMiWvblO EXELON BYRON STATION Permit HA0048313 WEEKLY HALOGEN DOSING INFORMATION (Minutes)03/01/10 22 22 03/02/10 20 20 03/03/10 19 20 03/0W/10 19 20 03/05/10 22 20 03/06/10 22 22 03/07/10 22 20 HALOGEN DOSING CURVE Concentration of total residual chlorinelhalogen vs. minutes of chlorination period.Date: 03/01/10 Time: 11:49 Analyzed by: D.C. A.Reviewed by: D. MK Unit. I Note: The limit of detection for the instrument as tested in the Station Laboratory is 0.02 mg/L. All values less than this limit are repotted for information only.1.54 1.44 1.44 1.4'.41 1.44 L 4 I.--l-----j I -~- ----4 I:*~ ~ -~ -zz~LzL I ~i~lz:zzt:

+~:~z~z ~LLLL I I!j.0 25 so 75 Mhute.125 150 l EXELON BYRON STATION Permit EL0048313 WEEKLY HALOGEN DOSING INFORMATION DosingT (Minutes)001 ILL 03/09/10 20 20 03109/10 20 20 0311YIO20 20 03! 1/10 20 20 03/12/10 20 20 03/13/10 20 20 03/14/10 20 20 HALOGEN DOSING CURVE Concentration of total residual chlorine/halogen vs. minutes of chlorination period.Date: 03106/10 Time: 12:47 Analyzed by: M. H.Reviewed by: D. M.Unit 2 Note: The limit of detection for the insumment as tested in the Station Laboratory is 0.02 mg1L All values less than this limit are reported for information only.I I 0 25 50 75 100 125 Mhumte 150 0 EXELON BYRON STATION Permit IL0048313 WEEKLY HALOGEN DOSING INFORMATION (Minutes)03/15/10 25 25 03/16/10 25 25 03/17/10 25 25 03118/10 25 25 03119/10 25 25 03/20/10 25 25 03/21110 25 25 HALOGEN DOSING CURVE Concentration of total residual chlorine/halogen vs. minutes of chlorination period.Date: 03/15/10 Time: 12:00 Analyzed by: G.P.Reviewed by: D. M.Unit I Note: The limit of detection for the instrument as tested in the Station Laboratory is 0.02 mg/L All values less than this limit are reported for information only.I I 0 25 50 75 100 125 MlInts.150 EXELON BYRON STATION Permit 1L0048313 WEEKLY HALOGEN DOSING INFORMATION (Minutes)-U--i I U-2 03122/10 20 25 03/23/10 25 25 03/24/10 25 25 03/25/10 25 25 03/26/10 26 27 03/27/10 25 25 03/28/10 25 25 HALOGEN DOSING CURVE Concentration of total residual chlorinewhaiogen vs. minutes of chlorination period.Date: 03/22/10 Time: 12:18 Analyzed by: M. D.Reviewed by: D. M.Unit: 2 Note: The limit of detection for the instrument as tested in the Station Laboratory is 0.02 mg/L All values less than this limit are reported for information only.I 5 0 25 50 75 100 125 Minute lip EXELON BYRON STATION Permit 1L0048313 WEEKLY HALOGEN DOSING INFORMATION 03/29/10 25 25 03/3WY10 26 28 03/31/10 26 28 HALOGEN DOSING CURVE Concentration of total residual chlorineibalogen vs. minutes of chlorination period.Date: 03129/10 Time: 11:19 Analyzed by: J. W.Reviewed by: D. M.Unit: I Note: The limit of detection for the intrument as tested in the Station Laboratory is 0.02 mg/L. All values less than this limit are reported for information only.I 0.50 0.48 0.46 0.44 0.42 0.40 0.38 0.36 0.34 0.32 0.30 0.28 026 0.24 0.22 0.20 0.18 0.16 0.14 0.12 0.10 0.08 0.06 0.04 0.02 0.00 4 mum 0 25 60 75 Mllnut 100 125 150 AExelen.Exelon Generation Company. 11C www.eceoncorp.corn Nuclear Byron Station 4450 North German Church Road Byron, IL 61010-9794 May 19, 2010 LTR: BYRON 2010-0044 File: 2.09.0411 1.10.0101 Illinois Environmental Protection Agency Water Pollution Control Compliance Assurance Section #19 1021 North Grand Avenue East P.O. Box 19276 Springfield, IL 62794-9276

Subject:

Byron Station Monthly Discharge Monitoring Report In accordance with National Pollutant Discharge Elimination System (NPDES) Permit Number S IL0048313, issued September 8, 2000, we are submitting the Discharge Monitoring Report for Byron Station, Units 1 and 2. This report covers the period of April 1, 2010 through April 30, 2010.If there are any questions regarding this report, please contact Mr. Stanley Kerr, Chemistry Manager, at (815) 406-3200.Respectfully, TBradlevy

.Adams Plant Manager Byron Nuclear Generating Station BJA/ZC/sdk Attachments NAT"O POLLUTANT DUSHARGE EUMrNATION SYST (NPDES)DISCHAMOR 0NRRV pO M)Ioon--IEAMMOR NAME Em"n Gensialon OoL LLC ADAOMS -4 WbiS PAW Wanrwwom.

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