ML061860585

Orise Final Letter Report for Analytical Results for Eight Water Samples, Batch Four, from the Vicinity of the Dresden Generating Station

ML061860585
Person / Time
Site:	Dresden
Issue date:	06/28/2006
From:	Condra D Oak Ridge Institute for Science & Education
To:	Snell W NRC/RGN-III
References
FOIA/PA-2010-0209, IR-06-007, RFTA-06-001
Download: ML061860585 (5)

Text

OAK RlDQE INSTITUTE FOR SCIENCE AND EDUCATION lune 28,2006 Mr. William Snell U.S. Nuclear Regulatory Commission Rcgion 111 2443 Warrenville Road lisle, 11. 60532-4351 SUBJECT FINAL LETTER RE- -AT FOR ANALYTICAL RESULTS FOR EIGHT WATER SAMPLES, BATCH FOUR, FROM THE VICINITY OF THE DRESDEN GENERATING STATION, DRESDEN, ILLINOIS

[INSPECTION REPORT NO. 050-00237/2006-0071 (RFTA NO.06-001)

Dear Mr. Snek The Oak Ridge Institute for Science and Education (ORISE) received eight water samples on May 31, 2006 which were collected in the vicinity of the Dresden Generating Station in llresdcn, Illinois. This letter report contains the origmal data submitted on June 16, 2006 and the total radiostrontium data. The chain-of-custody identified one water sample to he analyzed hy gamma spectroscopy (GS), four samples to be analyzed for tritium, and four samples to he analyzed for total radiostrontium, The sample identifications and collection data are presented in Table 1. The GS data are presented in lahle 2. The tritium data are presented in Table 3.

The total radiostrontium data are presented in Table 4. The pertinent procedure references are provided in the specific tables.

O K I S E s Quality Control (QC) requirements were met for these analyses. The QC filcs are available for your review upon request.

My contact information is listed below. You may also contact Wade Ivey at 865.576.9184 with any questions or comments.

Dale Condra, Manager Laboratory RDC:WPI:ar Enclosure C: B. Watson, NMSS/DWMEP/DD/SP 7E18 E. Abelquist, ORISE E. &ox-Davin, NRC/NMSS/TWFN 8A23 S. Kirk, ORISE G. Bonano, NRC Region 111 Iilc 1694 RECEIVE0 JUL 0 5 Mo6

TABLE 1 SAMPLE IDENTIFICATIONS AND COLLECTION DATA DRESDEN GENERATING STATION DRESDEN, ILLINOIS ORISE N R C Region I11 Collection Collection Sample ID Sample ID Date Time 1694W0049 D-06-4-01 1694W0051 D-06-4-03 1694W0054 D-06-4-06 1 1694W0056 I D-06-4-08

TABLE 2 CONCENTRATIONS OF SELECTED GAMMA EMITTING RADIONUCLIDES I N A SELECTED WATER SAMPLE BY GAMMA SPECTROSCOPY CP1, REVISION 15 DRESDEN GENERATING STATION DRESDEN, ILLINOIS ORISE NRC Region 111 Radionuclide Concentrations' @Ci/L)

Sample ID Sample ID Co-58 CO-60 cs-w4 cs-l37 1694WOO53 D-06-4-05 -3.4 f 3.1b 0.2 i 2.8 -0.7 i 2.7 3.6 _+ 6.6

TABLE 3 CONCENTRATIONS OF TRITIUM IN SELECTED WATER SAMPLES BY LIQUID SCINTILLATION ANALYSIS AP2, REVISION 15; CP4, REVISION 3 DRESDEN GENERATING STATION DRESDEN, ILLINOIS Sample ID Sample ID and MDCs" @Ci/L) 1694W0049 D-06-4-01 10  ? llob (180) 1694W0051 D-06-4-03 -30

• 110 (180) 1694W0053 D-06-4-05 30  ? 110 (180) 1694W0055 D-06-4-07 70

• 110 (180)

TABLE 4 1694W0050 D-06-4-02 -1.07

• 0.86b (1.71 1694W0052 D-06-4-04 0.2 f 1.0 (1.9) 1694W0054 D-06-4-06 0.25 0.89 (1.57 1694WOO56 D-06-4-08 0.8

• 1.0 (1 8)