Urine radiobioassay intercomparison results from the Intercomparison Studies Program at Oak Ridge National Laboratory

The Intercomparison Studies Program (ISP) at the Oak Ridge National Laboratory (ORNL, Oak Ridge, TN USA) provides natural-matrix human urine quality-assurance/quality-control (QA/QC) samples to radiobioassay analysis laboratories. Samples are provided to these laboratories as “single-blind” or “doub...

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Bibliographic Details
Published in:Journal of radioanalytical and nuclear chemistry 2008-07, Vol.277 (1), p.111-116
Main Authors: Bores, N. E., Schultz, M. K., Rankin, J. M., Denton, A. J., Payne, G. F.
Format: Article
Language:English
Subjects:
Chemistry
Chemistry and Materials Science
Diagnostic Radiology
Hadrons
Heavy Ions
Inorganic Chemistry
Nuclear Chemistry
Nuclear Physics
Physical Chemistry
Radiotracers in Chemical-Technological Research
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Summary:The Intercomparison Studies Program (ISP) at the Oak Ridge National Laboratory (ORNL, Oak Ridge, TN USA) provides natural-matrix human urine quality-assurance/quality-control (QA/QC) samples to radiobioassay analysis laboratories. Samples are provided to these laboratories as “single-blind” or “double-blind” unknowns, spiked with radioactive-solution standards at “low” levels (e.g., 0–250 mBq·kg −1 for alpha-emitters). Participants use the results as a tool for self-evaluation and a measure of performance. In this paper, sample preparation and the results of testing during the years 2000–2004 for the radionuclides natural uranium (U-nat), 238 Pu, 239 Pu, and 241 Am are presented and discussed.
ISSN:0236-5731
1588-2780
DOI:10.1007/s10967-008-0717-4