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Draft radioanalytical water and soil performance testing: Uncertainty acceptance criteria derived from historical mixed-analyte performance evaluation program results

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Abstract

Radioanalytical performance testing programs provide radioassay laboratories, regulators and the public performance-based evidence that measurement capabilities are in control. Performance acceptance criteria that combine aspects of measurements difference from a known value and the associated combined uncertainty establishes a quantitative statement of statistical confidence. However, there is need for a reasonable upper limit of the reported measurement uncertainty. Evaluation of thousands of historical U.S. DOE Mixed-Analyte Performance Evaluation Program measurement results for 17 radionuclides in soil and water samples provides predictive expectations for future measurement results and a statistical basis for establishing reasonable upper limits for reported measurement uncertainties for performance evaluation programs.

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References

  1. Multi-Agency Radiological Laboratory Analytical Procedures Manual (MARLAP), National Technical Information Service (NTIS), PB2004-105421, Springfield VA, 2004, Chapter 18: Laboratory Quality Control; www.epa.gov/radiation/marlap/manual.htm

  2. American National Standard Institute (ANSI), American National Standard — Traceability of Radioactive Sources to the National Institute of Standards and Technology (NIST) and Associated Instrument Quality Control, ANSI N42.22-1995, Institute of Electrical and Electronics Engineers (IEEE), New York NY, 1995.

  3. U.S. Department of Energy, Radiological and Environmental Science Laboratory, Mixed-Analyte Performance Evaluation Program (MAPEP), http://www.inl.gov/resl/mapep

  4. M. K. Leecaster, J. Dahlgren, J. Radioanal. Nucl. Chem., 261 (2005) 577.

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Authors and Affiliations

  1. National Institute of Standards and Technology, Gaithersburg, MD, USA

    K. G. W. Inn & J. J. Filliben

  2. Radiological Environmental and Sciences Laboratory, Idaho Falls, ID, USA

    J. Dahlgran

Authors
  1. K. G. W. Inn
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  2. J. J. Filliben
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  3. J. Dahlgran
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Correspondence to K. G. W. Inn.

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Inn, K.G.W., Filliben, J.J. & Dahlgran, J. Draft radioanalytical water and soil performance testing: Uncertainty acceptance criteria derived from historical mixed-analyte performance evaluation program results. J Radioanal Nucl Chem 276, 375–383 (2008). https://doi.org/10.1007/s10967-008-0515-z

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  • DOI: https://doi.org/10.1007/s10967-008-0515-z

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