ML073331111
| ML073331111 | |
| Person / Time | |
|---|---|
| Site: | Sequoyah  |
| Issue date: | 11/28/2007 |
| 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 | |
| TN0026450 DMR-QA 27 | |
| Download: ML073331111 (9) | |
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Tennessee Valley Authority, Post Office Box 2000, Soddy-Daisy. Tennessee 37384-2000 November 28, 2007 Mr. Vojin Janjic State of Tennessee Department of Environment and Conservation Division of Water Pollution Control Enforcement & Compliance Section 6"' Floor, L&C Annex 401 Church Street Nashville, Tennessee 37243-1534 Mr. Janjic:
2007 DISCHARGE MONITORING REPORT - QUALITY ASSURANCE (DMR-QA) STUDY 27 PROVIDER-GRADED TEST RESULTS - FINAL REPORT Please find enclosed the provider-graded test results of the 2007 DMR-QA Study 27 Laboratory Performance Evaluation obtained by TVA Sequoyah Nuclear Plant (SQN) and supporting Laboratories as required by NPDES Permit TN0026450.
Please contact me at (423) 843-6700 if you have any questions or comments.
Sincerely, i
5 Stephanie A. Howard Principal Environmental Engineer Signatory Authority for Timothy P. Cleary Site Vice President Sequoyah Nuclear Plant Enclosure cc (Enclosure)
Mr. Wayne Turnbull EPA Region IV SESD/MTSB/QAS 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 Pr~r;ed o1 recycIed pnp er
0 ENVIRONMENTAL RESOURCE ASSOCIATES The Industry Standardc October 24, 2007 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 27 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 27 study, a letter of corrective action and an order form for the required remedial samples 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 27 Proficiency Testing study. If you have any questions, please contact myself or Curtis Wood, Quality Assurance Director, 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 ww weraqccom
ENVIRONMENTAL RESOURCE ASSOCIATES The Industry Standardt "
Stephanie A Howard TVA - Sequoyah Nuclear Plant PO Box 2000 Mailstop: SB-2A-SQN Soddy-Daisy, TN 37384-2000 Final Report DMR-QA Study Open Date: 06/04/07 Close Date: 08/31/07 Report Issued Date: 10/22/07
ENVIRONMENTAL RESOURCE ASSOCIATES The Industry StandardT" DMRQA-27 Definitions & Study Discussion Study Dates: 06/04/07 - 08/31/07 Report Issued: 10/22/07 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 tables. 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 27 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 27 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, andthe 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 27 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.
If you have any questions regarding ERA's DMR-QA Proficiency Testing program, please contact Shawn Kassner, Proficiency Testing Manager, or Curtis Wood, Quality Assurance Director, at 1-800-372-0122.
Not Acceptable No Evaluation
= Reported Value falls. outside the Acceptance Limits.
= 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' Study: DMRQA-27 NPDES Permit #: TN0026450 Laboratory Name: TVA - Sequoyah Nuclear Plant Page 1 of 4
0 DMRQA-27 Final Complete Report ENVIRONMENTAL RESOURCE ASSOCIATES The Industry Standard"M 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 Laboratory Code:
T203302 Report Issued:
10/22/07 Study Dates:
06/04/07 - 08/31/07 Analyte Performance Reported Assigned Acceptance Units Method USEPALab S
Evaluation Value Value Limits Description Code pH pH Acceptable 5.77 5.70 5.50-5.90 S.U.
EPA 150.1 TN00999 IDMRQA27 Hardness INon-Filterable Residue (TSS)
Acceptable 76.0 83.8 68.6-93.2 mg/L EPA 160.2 TNO0003 WP150 Complex Nutrients ITotal phosphorus as P Acceptable 4.02 4.01 3.28-4.80 mg/L EPA 365.2 TNO0003 WIP150 Oil & Grease 1Oil & Grease (Gravimetric)
Acceptable
- 22.
30.0 16.6-38.9 mg/L
ýFEPA 1664A SPE TNO0003 I WP150 Total Residual Chlorine ITotal Residual Chlorine Acceptable 1.24 1.32 0.948 - 1.64 mg/L EPA 330.4 TN00999 DMRQA27]
Trace Metals Boron Acceptable 1450.
1360 1110-1580 pgIL EPA 200.7 TNOOOO3 WP15.o Copper..
A-cceptabl.e 117 109 95.8.-123 pg/L EPA 200.8 TNi0oooo3 WP15.0o Iron Acceptable 515.
489 430-556 pg/L EPA 200.7 TNO0003 WP.1 50 Page 2 of 4 All analytes are included in ERA's A2LA accreditation. Lab Code: 1539-01
ENVIRONMENTAL RESOURCE ASSOCIATES The Industry Standard TM Study: DMRQA-27 NPDES Permit #: TN0026450 Laboratory Name: TVA - Sequoyah Nuclear Plant Page 3 of 4
ENVIRONMENTAL RESOURCE ASSOCIATES The Industry Standardt '
DMRQA-27 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 Laboratory Co Report Issued:
Study Dates:
de:
T203302 10/22/07 06/04/07 - 08/31/07 lTest EndPoint Performance Reported Assigned Acceptance Method Description USEPA Lab t
Evaluation Value %
Value %
Limits %
Code Fathead minnow (Test Code 15) 7-day Short term Chronic, Daily Renewal, MHSF Potassium chloride lIC25 (ON) Growth Acceptable 1
30.4 29.9 22.0-37.7 EPA 1000 NC01230 IOMRQA271 Ceriodaphnia dubia (Test Code 21) 7-day Short term Chronic, Daily Renewal, MHSF Potassium chloride 10C25 Reproduction Acceptable 1
30.6 31.5 13.3-49.8 EPA 1002 1 NC01230 ODMRQA27 Page 4 of 4 All analytes are included in ERA's A2LA accreditation. Lab Code: 1539-01 7
1'edLx SI p Manager I Label /92461883593 Page I of I From:
Origin ID: CHAA (423)843-6714 Ruth Ann Hurt TVA SEQUOYAH NUCLEAR PLANT SODDY DAISY, TN 37379 CSUUFec[Em SHIPTO: (423)843-6700 BILL SENDER To whom it may concern:
Nuclear Regulatory Commission ATTN: Document Control Desk Washington, DC 20555 Ship Date: 28NOV07 ActWgo: 1 LB System#: 5814953IINET7091 Account#: S "I*.*....
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02071 7924 6188 3593 PRIORITY OVERNIGHT III il11l XC-OBTA IAD DC-US 20555