ML102300278
| ML102300278 | |
| Person / Time | |
|---|---|
| Site: | Plum Brook File:National Aeronautics and Space Administration icon.png |
| Issue date: | 01/12/2010 |
| From: | Condra D Oak Ridge Institute for Science & Education |
| To: | Jeremy Tapp NRC/RGN-III |
| References | |
| DCN: 2009-LR-01-0, IR-09-001, RFTA 10-001 | |
| Download: ML102300278 (3) | |
Text
I S
P.O. Box 117 Oak Ridge, TN 37831 E
OAK RIDGE INSTITUTE FOR SCIENCE AND EDUCATION January 12,2010 Mr. Jeremy Tapp U. S. Nuclear Regulatory Commission Region I11 2443 Warrenville Road Lisle, IL 60532-4351 ORISE CONTRACT NO. DE-AC05-060R23100
SUBJECT:
LETTER REPORT FOR ANALYTICAL RESULTS FOR FIVE SOIL SAMPLES FROM NASA PLUM BROOK, SANDUSKY, OHIO
[INSPECTION REPORT NOS. 05000030/2009001;05000185/2009001]
(RFTA NO. 10-OOl), DCN: 2009-LR-01-0
Dear Mr. Tapp:
The Oak Ridge Institute for Science and Education (ORISE) received five soil samples on December 7,2009 from NASA Plum Brook in Sandusky, Ohio. The samples were analyzed according to the 303 form supplied with the samples. The sample identification numbers are presented in Table 1.
The gamma spectroscopy results for cobalt-60 and cesium-137 are in Table 2. The pertinent procedure references are included with the data tables.
ORISE's Quality Control (QC) requirements were met for these analyses. The QC files 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.
Sincerely, Dale Condra, Manager Laboratory RDC:WPI:jp Enclosures C:
T. Carter, NRCIFSMEIDVC'MEP T-8F5 T. Patterson, NRC/FSME/TWFN 8D42 File 2009 S. Roberts, ORISE T. Vitkus. ORISE Techacal Review Quahty Review Voice: 865.241.3242 Fax: 865.241.3248 E-mail: Dale.Condra@orau.org
TABLE 1 SAMPLE IDENTIFICATIONS AND COLLECTION INFORMATION NASA PLUM BROOK SANDUSKY, OHIO NrlSil Plum Brook 2009-1,11-01-0
TABLE 2 CONCENTRATIONS OF COBALT-60 AND CESIUM-137 I N SOIL SAMPLES BY GAMMA SPECTROSCOPY CP1, REVISION 17 NASA PLUM BROOK SANDUSKY, OHIO Radionuclide Concentrations, TPUs, and MDCS" (pCi/g)
ORISE NRC Region I11 Sample ID Sample ID CO-60 CS-137 2009S0001 NRC-1 0.01 k O.Obb, 0.10 0.02 k 0.04, 0.07 2009S0002 NRC-2 0.04 k 0.06, 0.11 3.98 k 0.36, 0.06 2009S0003 NRC-3
-0.01 k 0.04, 0.07 -0.02 k 0.03, 0.05 2009S0004 NRC-4 0.02 0.04, 0.07 0.01 k 0.03, 0.05 2009S0005 NRC-5
-0.04 k 0.05. 0.08 0.00' L 0.03. 0.06
'The MDCs appear after the commas.
b Uncertainties represent the 95% confidence level, based on total propagated uncertainties.
Lero value is due to rounding or equal sample and background counts.
'?
NASA Plum Brook 2009-LR-01 -C