ML14227A719

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Submittal of Discharge Monitoring Report for July 2014
ML14227A719
Person / Time
Site: Sequoyah  Tennessee Valley Authority icon.png
Issue date: 08/13/2014
From: John Carlin
Tennessee Valley Authority
To: Morgan C
Office of Nuclear Reactor Regulation, State of TN, Dept of Environment & Conservation, Div of Water Resources
References
Download: ML14227A719 (10)
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Text

Tennessee Valley Authority, Post Office Box 2000, Soddy Daisy, Tennessee 37384-2000 August 13, 2014 Ms. Christina Morgan Tennessee Department of Environment and Conservation Division of Water Resources William R. Snodgrass Tennessee Tower 312 Rosa L. Parks Avenue, 11th Floor Nashville, Tennessee 37243

Dear Ms. Morgan:

TENNESSEE VALLEY AUTHORITY (TVA) - SEQUOYAH NUCLEAR PLANT (SQN) - NPDES PERMIT NO. TN0026450 - DISCHARGE MONITORING REPORT (DMR) FOR July 2014 Enclosed is the July 2014 Discharge Monitoring Report for Sequoyah Nuclear Plant. The turbine building sump (TBS) was discharged directly to the yard drainage pond during the reporting period and was monitored in accordance with the narrative condition found in Part 1.A.2 of the subject permit. The TBS monitoring data is enclosed as Attachment 1.

Also, during the reporting period, Pace Labs was unable to provide analytical results for the July 21 total suspended solids (TSS) sample due to a laboratory error. A back-up sample was sent to Pace Labs, and the results are included in the DMR for that date. A letter of explanation was provided by Pace Labs and is enclosed as Attachment 2. At no time has there been any observed threat to public drinking supplies, to human health, or the environment. If you have any questions or need additional information, please contact Millicent Garland by email at mrmoore@tva.gov or by phone at (423) 843-6714.

I certify underpenalty of law that this document and all attachments were preparedunder my direction 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 or persons who manage the system, or those persons directly responsible for gatheringthe information, the information submitted is, to the best of my knowledge and belief true, accurate,and complete. I am aware that there are significantpenalties for submitting false information, including the possibility of fine and imprisonment for knowing violations.

rely,\

J ohI/.. rIm Siite President Sequoyah Nuclear Plant Enclosures cc (Enclosures):

Chattanooga Environmental Field Office U.S. Nuclear Regulatory Commission Division of Water Pollution Control Attn: Document Control Desk State Office Building, Suite 550 Washington, DC 20555 540 McCahlie Avenue Chattanooga, Tennessee 37402-2013

S58 140611 800 - NPDES CORRESPONDENCE August 13, 2014 Ms. Christina Morgan Tennessee Department of Environment and Conservation Division of Water Resources William R. Snodgrass Tennessee Tower 312 Rosa L. Parks Avenue, 11th Floor Nashville, Tennessee 37243

Dear Ms. Morgan:

TENNESSEE VALLEY AUTHORITY (TVA) - SEQUOYAH NUCLEAR PLANT (SQN) - NPDES PERMIT NO. TN0026450 - DISCHARGE MONITORING REPORT (DMR) FOR July 2014 Enclosed is the July 2014 Discharge Monitoring Report for Sequoyah Nuclear Plant. The turbine building sump (TBS) was discharged directly to the yard drainage pond during the reporting period and was monitored in accordance with the narrative condition found in Part 1.A.2 of the subject permit. The TBS monitoring data is enclosed as Attachment 1.

Also, during the reporting period, Pace Labs was unable to provide analytical results for the July 21 total suspended solids (TSS) sample due to a laboratory error. A back-up sample was sent to Pace Labs, and the results are included in the DMR for that date. A letter of explanation was provided by Pace Labs and is enclosed as Attachment 2. At no time has there been any observed threat to public drinking supplies, to human health, or the environment. If you have any questions or need additional information, please contact Millicent Garland by email at mrmoore@tva.gov or by phone at (423) 843-6714.

/ certify underpenalty of law that this document and all attachments were preparedunder my direction or supervision in accordancewith a system designed to assure that qualified personnel properlygatherand evaluate the information submitted. Based on my inquiry of the person or persons who manage the system, or those persons directly responsible for gatheringthe information, the information submitted is, to the best of my knowledge and belief true, accurate, and complete. I am aware that there are significantpenalties for submitting false information, including the possibility of fine and imprisonment for knowing violations.

Enclosures cc (Enclosures):

Chattanooga Environmental Field Office U.S. Nuclear Regulatory. Commission Division of Water Pollution Control Attn: Document Control Desk State Office Building, Suite 550 Washington, DC 20555 540 McCallie Avenue Chattanooga, Tennessee 37402-2013 M. McBrearty, OPS 4A-SQN B. E. Brickhouse, BR 4A-C D. B. Nida, BR 4A-C J. T. Carlin, OPS 4A-SQN G. R. Signer, WT 6A-K L.S. Cohen, BR 4A-C D. A. Day, POB 2A-SQN

I.. -Iflly

. , II ILUClf duon ir ufrrerent) I'It.IIUFPLPVULLUIANT DISCHARGE ELIMINATION SYSTEM (NPDES) MAJOR Form Approved.

DISCHARGE MONITORING REPORT (DMR)

Name TVA - SEQUOYAH NUCLEAR PLANT OMB No. 2040-0004 (SUBR 01)

Address P.O. BOX 2000

- - - INTEROFFICE OPS-6N-SQ.NN- TN00 5 I1 F - FINAL SODDY - DAISY TN 37384 PERMIT NUMBER DISCHARGEUBERN DIFFUSER DISCHARGE Facility TVA - SEQUOYAH NUCLEAR PLANT Location HAMILTON COUNTY MnNITnRINr. PE'RiOI I EFFLUENT MoDAY4MO DAY01

  • NO DISCHARGE 7
  • ATTN:Millicent Garland NOTE: Read instructions before completinq this form, PARAMETER QUANTITY OR LOADING QUALITY OR CONCENTRATION NO. FREQUENCY SAMPLE EX OF TYPE ANALYSIS AVERAGE MAXIMUM UNITS MINIMUM AVERAGE MAXIMUM UNITS I><

TEMPERATURE, WATER DEG. SAMPLE 42.2 04 0 31/ 31 RCORDR CENTIGRADE MEASUREMENT 00010 1 0 PERMIT Req. Mon. DEG.C. CONTI CALCTD REQUIREMENT nlail v MAY EFFLUENT GROSS NUOUS 4DAILY

  • e-*i** -** *
  • MAX TEMPERATURE, WATER DEG. SAMPLE * * *lltk 29.8 04 0 31 /31 MODELD CENTIGRADE MEASUREMENT 00010 Z 0 PERMIT * *** ** * * ** ** * * *
  • 30.5 DEG.C. CONTI CALCTD REQUIREMENT INSTREAM MONITORING DAILY MX NUOUS

+ + + -i + - - -- - l-d -----1 -*

TEMP. DIFF. BETWEEN SAMP. & SAMPLE wr/,

2 0 31 / 31 CALCTD MEASUREMENT 04 UPSTRM DEG.C 00016 1 S PERMIT * ** * * ** * * *** * * ** * ** * * * * * ** ** * * *

  • 3 DEG.C. CONTI CALCTD REQUIREMENT EFFLUENT GROSS DAILY MX NUOUS FLOW, IN CONDUIT OR THRU SAMPLE ******** 1757 03 0 31/31 RCORDR TREATMENT PLANT MEASUREMENT 50050 1 0 PERMIT
  • Req. Mon. MGD * ******** ******** CONTI RCORDR EFFLUENT GROSS REQUIREMENTDAL REU TDAILYMAX MA - ____ _____

NUOUS CHLORINE, TOTAL RESIDUAL SAMPLE ......... ****** ** ******** 0.016 0.026 19 0 23 / 31 GRAB MEASUREMENT 50060 1 0 PERMIT REQUIREMENT

" ******** ******** ******** 0.1 0.1 MGIL FIVE PER CALCTD EFFLUENT GROSS ________ MO AVG DAILY MAX WEEK TEMPERATURE - C, RATE OF SAMPLE 0 62 0 31/31 CALCTD CHANGE MEASUREMENT 82234 1 0 PERMIT ******** 2 DEG ******** ******** ***** ** CONTI CALCTD EFFLUENT GROSS REQUIREMENT DAILY MX CHR NUOUS SAMPLE MEASUREMENT PERMIT REQUIREMENT NAMEITITLE PRINCIPAL EXECUTIVE OFFICER *I Certify under penalty of law that this document and all attachments were prepared under m TELEPHONE DATE direction or supervision in accordance with a system designed to assure that qualified John T. Carlin personnel properly gather and evaluate the information submitted. Based on my inquiry of tea person or persons who manage the system, or those persons directly responsible for gathenr te e President the information, the information submitted is. to the best of my knowledge and belief, true843-7001 Site Vice President accurate, and complete. I am aware that there are significant penalties for submitting false SIGWRE OF PRINCIPAL EXECUTIVE I N TYEDORPRNTD information, including the possibility of fine and imprisonment for knowing violations. -FICER OR AUTHORIZED AGENT AREA NUMBER YEAR MO DAY TYPED OR PRINTED _____________________________CODE COMMENTS AND EXPLANATION OF ANY VIOLATIONS (Reference all attachments here)

No closed mode operation. The following injections occurred: 1. Flogard MS6236 (max calc. conc. was 0.06 mg/L - limit 0.20 mg/L) 2. Biodetergent 73551 (max calc. conc. was 0.03 mg/L - limit 2.0 mg/L). 3. Spectrus CT 1300 (max calc. conc. Was 0.04 mg/L - limit 0.05 mg/L)

EPA Form 3320-1 (REV 3/99) Previous editions may be used Page 1 of 1

.. ..... .. , , uuu r-acltyr ivame/Locatlon it Qifferent) NATIONAL POLLUTANT DISCHARGE ELIMINATION SYSTEM (NPDES) MAJOR Form Approved.

DISCHARGE MONITORING REPORT (DMR) (SUBR 01)

Name TVA - SEQUOYAH NUCLEAR PLANT OMB No. 2040-0004 Address P.O. BOX 2000

__ __ __ jlNTEROmF-CE OPS-EN-S-N) TIN0026450 I101 T F- FINAL SODDY- DAISY. TN 37384 E2RMITTNUMBER J {DISCHARGENUMER BIOMONITORING FOR OUTFALL 101 Faciity TVA - SEQUOYAH NUCLEAR PLANT Location HAMILTON COUNTY 0NTORING PERIOD EFFLUENT YEAR MO DAY DA **I NO DISCHARGE V1

  • ATTN:Millicent Garland From 17 014 01 To 14TI 07 31l L I0U 1.c:,eau iIIsUULlUIn UeIUIO cUoiIleLInl 1JLI II IUMl,.

PARAMETER QUANTITY OR LOADING QUALITY OR CONCENTRATION NO. FREQUENCY1 SAMPLE EX OF TYPE ANALYSIS I AVERAGE MAXIMUM UNITS MINIMUM AVERAGE MAXIMUM UNITS IC25 STATRE 7DAY CHR SAMPLE ,le ilk Monitoring ** ** * * * * **

MEASUREMENT 23 CERIODAPHNIA Not Required TRP3B 1 0 PERMIT 43.2 PERCENT SEMI COMPOS REQUIREMENT EFFLUENT GROSS MINIMUM ANNUAL IC25 STATRE 7DAY CHR SAMPLE ***....* ******** Monitoring ******** 23 23 PIMEPHALES MEASUREMENT Not Require TRP6C 1 0 PERMIT ******** ******** 43.2

  • PERCENT SEMI COMPOS EFFLUENT GROSS REQUIREMENT MIMINUM ANNUAL SAMPLE MEASUREMENT PERMIT REQUIREMENT SAMPLE MEASUREMENT PERMIT REQUIREMENT SAMPLE MEASUREMENT PERMIT REQUIREMENT SAMPLE MEASUREMENT
  • PERMIT REQUIREMENT SAMPLE MEASUREMENT PERMIT REQUIREMENT NAMEfTITLE PRINCIPAL EXECUTIVE OFFICER I Certify under penalty of law that this document and all attachments were prepared under my TELEPHONE DATE

_direction or supervision in accordance with a system designed to assure that qualified John T. Carlin 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 gathering I Ie 'ldent 423 843-7001 14 08 13 the information, the information submitted is, to the best of my knowledge and belief, true, Site Vice President accurate, and complete. I am aware that there are significant penalties for submitting false SIG"URE 0F PRINCIPAL EXECUTIVE information, including the possibility of fine and imprisonment for knowing violations. OFFI~r OR AUTHORIZED AGENT TYPED OR PRINTED AREA NUMBER YEYARJ MO DAY CODE COMMENTS AND EXPLANATION OF ANY VIOLATIONS (Reference all attachments here)

Toxicity was not sampled in July 2014.

EPA Form 3320-1 (REV 3199) Previous editions may be used Pagel1 of 1

............... '...~,~ ~- ,~~utiuu r-acltuy ivameILoCatlon it Different) NA I IUNAL POLLUTANT DISCHARGE ELIMINATION SYSTEM (NPDES) MAJOR Formi Approved.

DISCHARGE MONITORING REPORT (DMR) (SUBR 01) OMB No. 2040-0004 Name TVA - SEQUOYAH NUCLEAR PLANT Address P.O. BOX 2000

- - - (INTEROFFICE OPS-5N-SQN_).. TN0026450 I 103 G I F - FINAL SODDY - DAISY, TN 37384 PERMIT NUMBER I DISCHARGEN'UMBER LOW VOL. WASTE TREATMENT POND Facility. TVA - SEQUOYAH NUCLEAR PLANT Location HAMILTON COUNTY MONITORING PERIOD EFFLUENT YEAR MO DAY YEAR M DAY NO DISCHARGE ATTN:Millicent Garland From 14 07 01 1 To 14 07 31 NOTE: Read instructions before completinq this form.

FREQUENCY SAMPLE TYPE PARAMETER QUANTITY OR LOADING QUALITY QUALITY OR OR CONCENTRATION CONCENTRATION NO. FREQUENCY SAMPLE OF OF TYPE EX ANALYSIS AVERAGE MAXIMUM UNITS MINIMUM AVERAGE MAXIMUM UNITS PH SAMPLE** 7 8 12 0 13/31 GRAB MEASUREMENT 00400 1 0 PERMIT ***** ****.** 6 9 Su THREE/ GRAB EFFLUENT GROSS REQUIREMENT MINIMUM MAXIMUM WEEK SOLIDS, TOTAL SUSPENDED SAMPLE ** 4 5 19 0 2 / 31 GRAB MEASUREMENT 00530 1 0 PERMIT ' 30 100 MGIL TWICE/ GRAB EFFLUENT GROSS REQUIREMENT MO AVG DAILY MX MONTH OIL AND GREASE SAMPLE ***<5 <5 19 0 2/ 31 GRAB MEASUREMENT 00556 1 0 PERMIT REQUIREMENT ** *15 20 MG/IL TWICE! GRAB EFFLUENT GROSS MO AVG DAILY MX MONTH FLOW, IN CONDUIT OR THRU SAMPLE 1203 2.143 03 0 31/31 RCORDR TREATMENT PLANT MEASUREMENT 50050 1 0 PERMIT Req. Mon. Req. Mon MGD ******** SEE , RCORDR EFFLUENT GROSS REQUIREMENT MO AVG DAILY MX PERMIT SAMPLE MEASUREMENT PERMIT REQUIREMENT SAMPLE MEASUREMENT PERMIT REQUIREMENT SAMPLE MEASUREMENT PERMIT REQUIREMENT 1`17 NAMEITITLE PRINCIPAL EXECUTIVE OFFICER I Certify under penalty of law that this document and all attachments were prepared under my TELEPHONE DATE direction or supervision in accordance with a system designed to assure that qualified John T. Carlin personnel properly gather and evaluate the information submitted. Based on my inquiry ofthe person or persons who manage the system, or those persons directly responsible for gathering *nt the information, the information submitted is, to the best of my knowledge and belief, true, ice reside 423 843-7001 14 08 13 Site Vice President accurate, and complete. I am aware that there are significant penalties for submitting false SIGNA4'Yt OF PRINCIPAL EXECUTIVE information, including the possibility of fine and imprisonment for knowing violations. ClOIl:IP (: A lITI-tiDI7Cfl A-I:IT AREA NUMBER YEAR MO DAY TYPED OR PRINTED.

COMMENTS AND EXPLANATION OF ANY VIOLATIONS (Reference all attachments here) i CODE The Turbine Building Sump (TBS) was discharged directly to the Yard Pond (YP) on 7/15/2014 - 7/22/2014. Monitored data is included in Attachment 1.

EPA Form 3320-1 (REV 3199) Previouseditions may be used Page 1 of 1

  • ~,,,,,.. -, -,w UrsuOo, tinciuae i-acnity Name/Location if Different) NAIIUNAL POLLUTANT DISCHARGE ELIMINATION SYSTEM (NPDES) MAJOR Form Approved.

DISCHARGE MONITORING REPORT (DMR)

Name TVA - SEQUOYAH NUCLEAR PLANT (SUBR 01) OMB No. 2040-0004 Address P.O. BOX 2000

- - - (INTEROFFICE OPS-5N-SQN- TN0026450 1 110 G I F- FINAL SOD DY- DAISY TN 37384 PERMIT NUMBER i DISCHARGE=NU RECYCLED COOLING WATER Facility- TVA - SEQUOYAH NUCLEAR PLANT Location HAMILTON COUNTY MONITORING PERInD I EFFLUENT ATTN:Millicent Garland From 14 07 1 01 T YEAR I MO Tol 14 1 07 1 31-1 I DAYji

      • NO DISCHARGE LX **

NOTE: Read instructions before completinl this form.

PARAMETER QUANTITY OR LOADING QUALITY OR CONCENTRATION NO. FREQUENCY SAMPLE EX OF TYPE 4 MINIMUM

=

AVERAGE MAXIMUM UNITS ANALYSIS AVERAGE MAXIMUM UNITS MINIMUM AVERAGE MAXIMUM UNITS iTEMPERATURE, WATER DEG. SAMPLE **

04 CENTIGRADE MEASUREMENT 00010 1 0 PERMIT ***REPORT DEG C CONTIN CALCTD EFFLUENT GROSS VALUE REQUIREMENT DAILY MX UOUS TEMPERATURE, WATER DEG. SAMPLE ***04 1I CENTIGRADE MEASUREMENT 00010 Z 0 PERMIT 30.5 DEG C CONTIN CALCTD INSTREAM MONITORING REQUIREMENT DAILY MX UOUS TEMP. DIFF. BETWEEN SAMP. & SAMPLE ***04 UPSTRM DEG.C MEASUREMENT 00016 1 0 PERMIT REQUIREMENT

    • 5 DEG C CONTIN CALCTD EFFLUENT GROSS VALUE DAILY MX UOUS FLOW, IN CONDUIT OR THRU SAMPLE ******** 0** **

MEASUREMENT 03 TREATMENT PLANT 50050 1 0 PERMIT ******** Req. Mon. MGD CONTIN RCORDR EFFLUENT GROSS VALUE REQUIREMENT DAILY MX uous CHLORINE, TOTAL RESIDUAL SAMPLE ******** ** ********19 MEASUREMENT 50060 1 0 PERMIT ******* * ** ******** 0.1 0.1 MGIL Five per CALCTD EFFLUENT GROSS VALUE REQUIREMENT MO AVG DAILY MX Week TEMPERATURE - C, RATE OF SAMPLE *******0* 04********

CHANGE MEASUREMENT 82234 1 0 PERMIT ******** 2 DEG C * ****CONTIN CALCTD EFFLUENT GROSS VALUE REQUIREMENT DAILY MX UOUS SAMPLE MEASUREMENT PERMIT REQUIREMENT NAME/TITLE PRINCIPAL EXECUTIVE OFFICER I Certify under penalty of law that this document and all attachments were prepared under my TELEPHONE I DATE I direction or supervision in accordance with a system designed to assure that qualified John T. Carlin 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 gathering the information, the information submitted is to the best of my knowledge and belief, true, bk ident 423 843-7001 14 08 13 Site Vice President accurate, and complete. I am aware that there are significant penalties for submitting false SIGNW.RE/OF PRINCIPAL EXECUTIVE information, including the possibility of fine and imprisonment for knowing violations. OFFICER OR AUTHORIZED AGENT AREA NUMBER YEAR MO DY TYPED OR PRINTED CODE IYA DAY COMMENTS AND EXPLANATION OF ANY VIOLATIONS (Reference all attachments here)

No Discharge this Period EPA Form 3320-1 (REV 3/99) Previous editions may be usedPae1o1 Page I of I

........ 1,, ,iitiiuUoe i-acuiry ivame/Location it L)itterent) INMIIUNALF'ULLUIANI DISCHARGE ELIMINATION SYSTEM (NPDES) MAJOR Form Approved.

DISCHARGE MONITORING REPORT (DMR)

Name TVA - SEQUOYAH NUCLEAR PLANT (SUBR 01) OMB No. 2040-0004 Address P.O. BOX 2000

- IjNTEROFFICE OPS-5N-SQN) TN0026450 110 T F-FINAL SODDY - DAISYTN 1N._.._37384 PERMIT NUMBER DISCHARGE NUMBER RECYCLED COOLING WATER Facjilty TVA - SEQUOYAH NUCLEAR PLANT Location HAMILTON COUNTY MONITORING PERIOD EFFLUENT I YEAR I MO I DAY I YEAR I MOI DAY From1 14 1 07-1 To I14 07T31 NO DISCHARGE F ...

ATTN:Millicent Garland NOTE: Read instructions before completinq this form.

PARAMETER QUANTITY OR LOADING QUALITY OR CONCENTRATION NO. FREQUENCY SAMPLE EX OF TYPE ANALYSIS AVERAGE I MAXIMUM UNITS MINIMUM AVERAGE MAXIMUM UNITS IC25 STATRE 7DAY CHR SAMPLE 23**

CERIODAPHNIA MEASUREMENT TRP3B t 0 0 PERMIT 43.2 PERCENT SEMI COMPOS EFFLUENT GROSS VALUE REQUIREMENT MINIMUM ANNUAL IC25 STATRE 7DAY CHR SAMPLE 2 3**

PIMEPHALES MEASUREMENT TRP6C 1 0 0 PERMIT 43.2

  • PERCENT SEMI COMPOS EFFLUENT GROSS VALUE REQUIREMENT MINIMUM ANNUAL SAMPLE MEASUREMENT PERMIT REQUIREMENT SAMPLE MEASUREMENT PERMIT REQUIREMENT SAMPLE MEASUREMENT PERMIT REQUIREMENT SAMPLE MEASUREMENT PERMIT REQUIREMENT SAMPLE MEASUREMENT PERMIT REQUIREMENT NAME/TITLE PRINCIPAL EXECUTIVE OFFICER I Certify under penalty of law that this document and all attachments were prej pared under my I* nTELEPHONE DATE

_direction or supervision in accordance with a system designed to assure that c tualified John T. Carlin personnel properly gather and evaluate the information submitted. Based on niy inquiry of the / '

person or persons who manage the system, or those persons directly respons ible for gathering it the information, the information submitted is, to the best of my knowledge and Ibelief, true, 423 843-7001 14 08 13 Site Vice President accurate, and complete. I am aware that there are significant penalties for sub mitting false SIGNAT OF PRINCIPAL EXECUTIVE

_information, including the possibility of fine and imprisonment for knowing viol; ations. OFFICER OR AUTHORIZED AGENT AREA NUMBER YEAR MO DAY TYPED OR PRINTED CODEI COMMENTS AND EXPLANATION OF ANY VIOLATIONS (Reference all attachments here)

No Discharge this Period EPA Form 3320-1 (REV 3199) Previous editions may be used Page 1 of 1

NATIONAL POLLUTANT DISCHARGE ELIMINATION SYSTEM (NPDES) MAJOR Form Approved.

rcrvI I,t I'iP~vivtmuu't-6 (Include Facility Name/Location if Different)

DISCHARGE MONITORING REPORT (OMR)

Name TVA - SEQUOYAH NUCLEAR PLANT (SUBR 01 ) 0MB No. 2040-0004 Address P.O. BOX 2000

- - - INTEROFFICE OPS-5N-SQO_N) TN0026450 11 F F - FINAL SOD DY - DAISY TN 37384 PERMIT NUMBER DISCHARGE WASTEWATER & STORM WATER Facility TVA - SEQUOYAH NUCLEAR PLANT Location HAMILTON COUNTY MI"ONITflPII1N PRI:I1 I EFFLUENT YEAR M DA NO DISCHARGE j **

ATTN:Millicent Garland From 14 07 01 1 To 14 107 31 NOTE: Read instructions before completinq this form.

NO. SAMPLE PARAMETER QUANTITY OR LOADING QUALITY ORCONCENTRATION QUALITY OR CONCENTRATION NO. FREQUENCY FREQUENCY1 SAMPLE EX OF TYPE ANALYSIS AVERAGE MAXIMUM UNITS MINIMUM AVERAGE MAXIMUM UNITS OXYGEN, DISSOLVED (DO) SAMPLE 1 MEASUREMENT 19 00300 1 0 PERMIT

  • 2 MGIL TWICE/ GRAB EFFLUENT GROSS REQUIREMENT MINIMUM WEEK SOLIDS, TOTAL SUSPENDED SAMPLE
  • 19 MEASUREMENT 00530 1 0 PERMIT 100 MG/L TWICE/ GRAB EFFLUENT GROSS REQUIREMENT DAILY MX WEEK SOLIDS, SETTLEABLE SAMPLE
  • MEASUREMENT 25 00545 1 0 PERMIT
  • MLIL ONCE/ GRAB EFFLUENT GROSS REQUIREMENT DAILY MX MONTH FLOW, IN CONDUIT OR THRU SAMPLE 03***

TREATMENT PLANT MEASUREMENT 50050 1 0 PERMIT Req. Mon. Req. Mon. MGD ONCE/ ESTIMA EFFLUENT GROSS REQUIREMENT MO AVG DAILY MX BATCH SAMPLE MEASUREMENT PERMIT REQUIREMENT SAMPLE MEASUREMENT PERMIT REQUIREMENT SAMPLE MEASUREMENT PERMIT REQUIREMENT NAMEITITLE PRINCIPAL EXECUTIVE OFFICER IlCertify under penally ot law that this document and all attachments were prepared under my AfTELEPHONE DATE dlirection or supervision in accordance with a system designed to assure that qualified AF RT John T. Carlin 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 gathering x the information, the information submitted is, to the best of my knowledge and belief, true, 423 843-7001 14 08 13 Site Vice President accurate, and complete. I am aware that there are significant penalties for submitting false SIGNA F PRINCIPAL EXECUTIVE TYEDO PITE nformation, including the possibility of fine and imprisonment for knowing violations. OFFICER OR AUTHORIZED AGENT AREA INUMBER YEAR MO -DAY TYPED OR PRINTED CODE COMMENTS AND EXPLANATION OF ANY VIOLATIONS (Reference all attachments here)

During this reporting period, there has been no flow from the Dredge Pond other than that resulting from rainfall. No Discharge this Period EPA Form 3320.1 (REV 3/99) Previouseditions may be used Page 1 of I

TVA Sequoyah Nuclear Plant NPDES Permit Number TN0026450 Attachment 1 Turbine Building Sump Monitoring Data The turbine building sump was discharged directly to the yard drainage pond from 7/15/2014 to 7/22/2014. During this period, the turbine building sump was monitored in accordance with the narrative condition found in Part 1.A.2 of the NPDES Permit TN0026450. There are no permit limits applicable at this monitoring point, which flows to the yard drainage pond, mixes with other flows in the diffuser pond, then discharges to the Tennessee River at Outfall 101.

Parameter Daily Minimum Monthly Average Daily Maximum No. of Samples Flow - 0.956 MGD 0.967 MGD 7 pH 7.2 s.u. 8.7 7 O&G - <18.5 mg/L 96.2 mg/L* 7 TSS 36.7 mg/L 213 mg/L* 7"*

  • Analytical data for samples collected on 7/19/2014 are not representative of the nature of the discharge based on visual observations during time of collection. In addition, samples taken before and after this date are well below the daily allowable maximum.

However, a thorough investigation did not identify an apparent cause.

    • Analytical data for back-up sample collected on 7/21/2014 is included in the calculations. The hold time for this sample was exceeded due to the laboratory event described in Attachment 2.

aceAnalytical July 30, 2014 Ms. Millicent Garland Tennessee Valley Authority P.O. BOX 2000 Sequoyah Access Rd Soddy Daisy, TN 37379 RE: Client Project ID: SQN-NPDES Monthly 7/21 Pace Project ID: 92210704

Dear Ms. Garland:

I am writing in regards to the investigation into why the below sample was not able to be calculated for Total Suspended Solids (TSS). Here is a summary of the investigation into the Total Suspended Solids sample.

Your sample SQN-TBS (92208297) was received by Pace on July 25, 2014. The sample was received by our Pace - Asheville laboratory for the requested analysis. Due to an electronic program malfunction, we were not able to recover the initial filter weight needed to calculate a result for this sample. The laboratory did not have any other samples to utilize for reanalysis. Therefore, we could not provide you with the TSS analysis as requested. We apologize for the inconvenience this has caused.

As a result of this error, our IT department is currently figuring out what happened so we can prevent any future occurrences of this type. We are also implementing a new procedure to have the analysts print out the initial filter weights from the electronic program so that we have them in case there is ever another incident and be able to calculate out the TSS results.

If you have any further questions, please feel free to contact me at (828) 254-7176 or you can e-mail me at Barry.Johnsonapacelabs.com.

Sincerely, Barry Johnson Quality Manager

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