ML14051A105
| ML14051A105 | |
| Person / Time | |
|---|---|
| Site: | Sequoyah  (TN0026450) |
| Issue date: | 02/07/2014 |
| From: | Carlin J T Tennessee Valley Authority |
| To: | Office of Nuclear Reactor Regulation, State of TN, Dept of Environment & Conservation |
| References | |
| Download: ML14051A105 (5) | |
Text
Tennessee Valley Authority, Post Office Box 2000, Soddy Daisy, Tennessee 37384-2000 February 7, 2014State of Tennessee Department of Environment and Conservation Division of Water Resources William R. Snodgrass Tennessee Tower312 Rosa L. Parks Avenue, 11th FloorNashville, Tennessee 37243
Dear Mr. Patrick Cromer:
TENNESSEE VALLEY AUTHORITY (TVA) -SEQUOYAH NUCLEAR PLANT (SQN) -NPDESPERMIT NO. TN0026450
-2013 BIOCIDE/CORROSION TREATMENT PLAN (B/CTP) ANNUALREPORTEnclosed is a copy of the 2013 B/CTP annual report for SQN. All treatments were conducted inaccordance with the approved B/CTP.If you have any questions or need additional information, please contact Spencer Whittier at(423) 843-6714 or by e-mail at sdwhittierLtva.gov of Sequoyah's environmental staff./ certify under penalty of law that this document and all attachments were prepared under mydirection or supervision in accordance with a system designed to assure that qualified personnel properly gather and evaluate the information submitted.
Based on my inquiry of the person orpersons who manage the system, or those persons directly responsible for gathering the information, the information submitted is, to the best of my knowledge and belief, true, accurate, and complete.
Iam aware that there are significant penalties for submitting false information, including the possibility of fine and imprisonment for knowing violations.
Sinc 6 y,0 C ne i e residentSequ ah Nuclear PlantEnclosures cc (Enclosures):
Mr. Vojin Janjid Chattanooga Environmental Field OfficeState of Tennessee Division of Water Pollution ControlDept. of Environment and Conservation State Office Building, Suite 550Division of Water Resources 540 McCallie AvenueWilliam R. Snodgrass Tennessee Tower Chattanooga, Tennessee 37402-2013 312 Rosa L. Parks Avenue, 11 th FloorNashville, Tennessee 37243U.S. Nuclear Regulatory Commission ATTN: Document Control DeskWashington, D.C. 20555 TN0026450 SQN2013 Biocide/Corrosion Treatment Plan Annual ReportBiodetergent 73551Quant iity in Pounds(lbs/day)
Maximum Averacie LimitDuration in Hours(hrs/day)*
Maximum LimitAnalytical Resultsmass balance calculations (mg/L)MonthMaximum# ofLimit samplesDays inServiceAveraae4 4. I .IJanuaryFebruaryMarchAprilMayJuneJulyAugustSeptember OctoberNovemberDecemberJan. -Dec.99101010313131313199101010203031175050505050505050500.50.50.50.50.50.50.50.50.50.50.50.50.50.50.50.50.50.50.0300.0320.0390.0360.0390.0360.0360.0360.0360.0300.0320.0380.0360.0370.0360.0360.0360.0362.02.02.02.02.02.02.02.02.02.03596698106359669810697127 500.5 0.50.040 0.037971*Treatment durations shall not exceed 30 minutes at 2-3 times per week into ERCW Train A, ERCW Train B, and RCWsystems.Per the B/CTP approval:
"Frequency of use would be appoximately 208 days per year and duration of use would be about 0.5hours per day with a maximum daily usage of 50 lbs/day for all three-injection points."
TN0026450 SQN2013 Biocide/Corrosion Treatment Plan Annual ReportTowerbrom 960Quantity in Pounds(lbs/day)
Durationin Hours(hrs/day)
Analytical Resultsmass balance calculation (mg/L)Average# ofLimit samplesMonthMaximum Average(based ondays inservice)LimitMaximum I MaximumDays in ServiceI 4. 4JanuaryFebruaryMarchAprilMayJuneJulyAugustSeptember OctoberNovemberDecemberJan. -Dec.540302005005003002502505005002502004143016429427417521023625439112911714251425142514251425142514251425142514251425142524.004.004.0024.0024.004.004.004.0024.0024.004.004.000.0270.0270.0400.0170.0260.0250.0300.0260.0240.0490.0870.0290.0160.0100.0200.0100.0150.0120.0190.0160.0160.0220.0290.0160.100.100.100.100.100.100.100.100.100.100.100.102491216252524222432132024912162425242224231120234246Per the B/CTP approval:
"Whole Effluent toxicity testing (biomonitoring) of Outfall 101 and Outall 110 shall be undertaken once per year when oxidizing biocides are being used."Outfall 101: Toxicity was sampled May 12 -17, 2013.Test Results:
Pimephales promelas:
IC25 >100%Ceriodaphnia dubia: IC25 > 100%Outfall 110: There has been no discharge from Outfall 110 January -December 2013.
TN0026450 SQN2013 Biocide/Corrosion Treatment Plan Annual ReportSpectrus CT1300DurationQuantity in Pounds in Hours Analytical Results(lbs/day)
(hrs/day) mass balance calculations (mg/L)# of Days inMonth Maximum Average Limit Maximum Maximum Average Limit Samples ServiceJanuaryFebruaryMarchApnlMay 531 372 855 24.00 0.038 0.038 0.05 7 7June 531 221 855 24.00 0.038 0.035 0.05 5 5July 531 295 855 24.00 0.038 0.036 0.05 7 7August 483 270 855 24.00 0.035 0.035 0.05 5 5September 531 309 855 24.00 0.038 0.037 0.05 9 9OctoberNovemberDecemberJan. -Dec. 33 33Per the B/CTP approval:
"Whole Effluent toxicity testing (biomonitoring) of Outfall 101 and Outall 110 shall beundertaken once per year when non-oxidizing biocides are being used."Outfall 101: Toxicity was sampled September 15 -20, 2013 during the Spectrus CT1300 treatment.
Test Results:
Pimephales promelas:
IC25 >100%Ceriodaphnia dubia: IC25 > 100%Outfall 110: There has been no discharge from Outfall 110 January -December 2013.
TN0026450 SQN2013 Biocide/Corrosion Treatment Plan Annual ReportFlogard MS6236Quantity in Pounds(lbs/day)
Durationin Hours(hrs/day)
Analytical Resultsmass balance calculations (mg/L)# ofLimit samplesDays inServiceMonth I Maximum AveraaeLimitMaximum I Maximum AverageJanuaryFebruaryMarchAprilMayJuneJulyAugustSeptember OctoberNovemberDecemberJan. -Dec.4188354184705576094184181394184873535343823963133253443581393483742275227522752275227522752275227522752275227524.0024.0024.0024.0024.0024.0024.0024.008.0024.0024.000.032 0.0320.064 0.0470.030 0.0300.064 0.0360.059 0.0410.059 0.0320.030 0.0300.030 0.0300.050 0.0500.050 0.0330.060 0.0330.20.20.20.20.20.20.20.20.20.20.273118193029292277292287311819302929227729228Per the B/CTP approval:
"Flogard MS6236 is injected into the RCW system continuously, except during periods ofother chemical injection due to common injection lines. Flogard MS6236 is injected into the ERCW Train A & Bsystem intermittently."