ML083080297

Transmittal of 2008 Discharge Monitoring Report - Quality Assurance Study 28 Provider-Graded Test Results, Final Report

ML083080297
Person / Time
Site:	Sequoyah
Issue date:	10/30/2008
From:	Howard S Tennessee Valley Authority
To:	Janjic V Office of Nuclear Reactor Regulation, State of TN, Dept of Environment & Conservation, Div of Water Pollution Control
References
Download: ML083080297 (8)

Text

Tennessee Valley Authority, Post Office Box 2000, Soddy Daisy, Tennessee 37384-2000 October 30, 2008 Mr. Vojin Janjic State of Tennessee Department of Environment and Conservation Division of Water Pollution Control Enforcement

& Compliance Section 6'h Floor, L&C Annex 401 Church Street Nashville, Tennessee 37243-1534 Mr. Janjic: 2008 DISCHARGE MONITORING REPORT -QUALITY ASSURANCE (DMR-QA) STUDY 28 PROVIDER-GRADED TEST RESULTS -FINAL REPORT Please find enclosed the provider-graded test results of the 2008 DMR-QA.Study 28 Laboratory Performance Evaluation obtained by TVA Sequoyah Nuclear Plant (SON) and supporting Laboratories as required by NPDES Pemtit TN0026450.

Please contact me at (423) 843-6700 if you have any questions or comments.Sincerely, Stephanie A. Howard Principal.Environmental Engineer Signatory Authority for Timothy P. Cleary Site Vice President Sequoyah Nuclear Plant Enclosure cc (Enclosure)

Mr. Ray Terhune US EPA Region IV SESD/MTSBIQAS 980 College Station Road Athens, Georgia 30605-2720 Chattanooga Environmental Assistance Center Division of Water Pollution Control State Office Building, Suite 550 540 McCallie Avenue Chattanooga, Tennessee 37402-2013 U.S. Nuclear Regulatory Commission ATTN: Document Control Desk* Washington, D.C. 20555 zwvD ENVRONMENTAL RESOURCE ASSOCIATES The Industry Standard" T Stephanie A Howard TVA -Sequoyah Nuclear Plant PO Box 2000 Mailstop:

SB-2A-SQN Soddy-Daisy, TN 37384-2000 Final #?,ev 'ort DMR-QA Study Open Date: 05/01/08.Close Date: 08/29/08 Report Issued Date: 10/17/08 ENVIRONMENTAL RESOURCE ASSOCIATES The Industry Standard'T M October 18, 2008 Stephanie A Howard TVA -Sequoyah Nuclear Plant PO Box 2000 Mailstop:

SB-2A-SQN Soddy-Daisy, TN 37384-2000 Enclosed is your final report for ERA's DMR-QA 28 Proficiency Testing study. Your final report includes an evaluation of every result submitted by your facility to ERA. Please note that reports were sent on your behalf to both the USEPA DMR-QA office and your state or regional DMR-QA Coordinator.

If you have any "Not Acceptable" evaluations for the DMR-QA 28 study, a letter of corrective action and an order form for the required remedialsamples are attached for your convenience.

If you have a "Not Acceptable" evaluation, but there is not an order form or a list of standards for your in-house or outside laboratories, ERA recommends that you contact your DMR-QA Coordinator for their corrective action requirements, if any.Thank you for your participation in ERA's DMR-QA 28 Proficiency Testing study. If you have any questions, please contact myself or Curtis Wood, Director.of Regulatory Affairs and Business Development, at 1-800-372-0122.

Sincerely, Shawn Kassner Proficiency Testing Manager Curtis J. Wood Quality Assurance Director attachments smk 6000 West 54th Ave., Arvada, CO 80002 800-372-0122 fax (303) 421-0159 jwww.eraqc.com ENVIRONMENTAL

'RESOURCE ASSOCLATES The Industry Standard" M DMRQA-28 Definitions

& Study Discussion Study Dates: 05/01/08 -08/29/08 Report Issued: 10/17/08 DMRQA Study Definitions The Reported Value is the value that the laboratory reported to ERA.The ERA Assigned Values are compliant with the most current USEPA/NELAC FoPT tablesý A parameter not added to the standard is given an Assigned Value of "0" per the guidelines contained in the USEPA's Criteria Document and NELAC standards.

The Acceptance Limits are established per the criteria contained in the most current USEPA/NELAC FoPT tables, or ERA's SOP for the Generation of Performance Acceptance LimitsTM as applicable.

The Performance Evaluation:

Acceptable

= Reported Value falls within the Acceptance Limits.DMRQA Study Discussion ERA's DMR-QA 28 Proficiency Testing study has been reviewed by ERA senior management and certified compliant with the requirements of the USEPA's National Standards for Water Proficiency Testing Studies Criteria Document (December 1998), and the criteria contained in the most current NELAC FoPT tables.ERA's DMR-QA 28 study standards were examined for any anomalies.

A full review of all homogeneity, stability and accuracy verification data was completed.

All analytical verification data for all analytes met the acceptance criteria contained in the USEPA's National Criteria Document for Water Proficiency Testing Studies, December 1998, and the criteria contained in the most current NELAC FOPT tables.The data submitted by participating laboratories was also examined for study anomalies.

There were no anomalies observed during the statistical review of the data.ERA's DMR-QA 28 study reports shall not be reproduced except in their entirety and not.without the permission of the participating laboratories.

The report must not be used by the participating laboratories to claim product endorsement,by any agency of the U. S. government.

The data contained herein are confidential and intended for your use only.If you have any questions or concerns regarding your assessment in ERA's DMRQA Proficiency Testing program, please contact Shawn Kassner, Proficiency Testing Manager, or Curtis Wood, Director of Regulatory Affairs and Business Development, at 1-800-372-0122.

Not Acceptable

= Reported Value falls outside the Acceptance Limits.No Evaluation

= Reported Value cannot be evaluated.

Not Reported = No Value reported.The Method Description is the method the laboratory reported to ERA.

ENVIRONMENTAL RESOURCE ASSOCIATES The Industry Standard"M Study: DMRQA-28 NPDES Permit #: TN0026450 Laboratory Name: TVA -Sequoyah Nuclear Plant Page 1 of 4 ENVIRONMENTAL

-~ RESOURCE ASSOCIATES The Industry Standard T M DMRQA-28 Final Complete Report NPDES Permit #: Permit Holder: TN0026450 Stephanie A Howard Principal Environmental Engineer TVA -Sequoyah Nuclear Plant P.O. Box 2000 Mailstop:

SB-2A-SQN Soddy-Daisy, TN 37384-2000 423-843-6700 ERA Customer Number: T203302 Report Issued: 10/17/08 Study Dates: 05/01/08 -08/29/08 Analyte Performance Reported Assigned Acceptance Units Method USEPA.Lab Study Evaluation Value Value Limits Description Code pH pH Acceptable 6.82 6.80 6.60-7.00 SU. SM4500H B 1TN00999 IDRQA281 Hardness INon-Filterable Residue (TSS) Acceptable 70.5 76:0 61.7-84.9 mg/L SM2540D TNO0003 WP162 Complex Nutrients ITotal phosphorus as P Acceptable 8.25 8.77 7.25-10.4 mg/L EPA 365.1 TNO0003 WP162 Oil & Grease 1Oil & Grease (Gravimetric)

Acceptable 45.2 65.0 43.8 -77.6 EPA 1664A SPE TNOO.003 WP162 Total Residual Chlorine ITotal Residual Chlorine Acceptable 10.65 0.792 0.573 -0.992 mg /L SM4500CI G TN00999 DMROA281 Trace Metals Boron Acceptable 995. 1030 849-1200 pg/L EPA 200.7 TNO0003 WP162 Copper Acceptable 334. 352 317-388 pg/L EPA 200.8 TNOO OT i P162 Iron Acceptable 1740. 1690 1500 -1900 pg/L EPA 200.7 TN00003 WP162 Page 2 of 4 All analytes are included in ERA's A2LA accreditation.

Lab Code: 1539-01 1A ftEOi W ENVRONMENJTAL RESOURCE ASSOCLATES The Industry Standard 1 M Study: DMRQA-28 NPDES Permit #: TN0026450 Laboratory Name: TVA -Sequoyah Nuclear Plant Page 3 of 4 ENVARONMENTAL 0' RESOURCE ASSOCLATES The Industry Standard T&DMRQA-28 Final Complete Report NPDES Permit #: TN0026450 Permit Holder: Stephanie A Howard Principal Environmental Engineer TVA -Sequoyah Nuclear Plant P.O. Box 2000 Mailstop:

SB-2A-SQN Soddy-Daisy, TN 37384-2000 423-843-6700 ERA Customer Number: T203302 Report Issued: 10/17/08 Study Dates: 05/01108 -08/29/08 Test End Point Performance Reported Assigned Acceptance Method Description USEPA Lab Study Evaluation Value% Value% Limits% Code-Fathead minnow (Test Code 15)7-day Short term Chronic, Daily Renewal, MHSF Ammonium phosphate dibasic 1,C25 (ON) Growth Acceptable 31.5 31.1 19-.2 EPA1000.0 NC01230 IMRQA28 Ceriodaphnia dubia (Test Code 21)7-day Short term Chronic, Daily Renewal, MHSF Potassium chloride 1025 Reproduction Acceptable 31.3 27.8 14.6-41.1 EPA1002.0 1 NC01230 IDMROA281 a" I IPage 4 of 4 All analytes are included in ERA's A2LA accreditation.

Lab Code: 1539-01 goo1VV