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Spiked natural matrix materials as quality assessment samples.

M S Feiner1, C G Sanderson

  • 1Environmental Measurements Laboratory, U.S. Department of Energy, New York, NY 10014.

The Science of the Total Environment
|February 1, 1988
PubMed
Summary

The Environmental Measurements Laboratory

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Area of Science:

  • Environmental Science
  • Analytical Chemistry
  • Nuclear Science

Background:

  • The Environmental Measurements Laboratory has managed the Quality Assessment Program (QAP) since 1976.
  • The QAP evaluates environmental radioactivity data reported by commercial contractors to the Department of Energy.
  • This program is crucial for ensuring the quality and reliability of nuclear work data.

Purpose of the Study:

  • To assess the quality of environmental radioactivity data.
  • To evaluate the effectiveness of the Quality Assessment Program (QAP).
  • To explore alternative methods for preparing reference samples for the QAP.

Main Methods:

  • Distribution of matrix materials with known radionuclide concentrations to contractors.
  • Comparison of reported results against known values.
  • Preparation of environmental samples (soil, vegetation, animal tissue, water, filter paper).
  • Spiking of water and filter paper samples with standard solutions traceable to the National Bureau of Standards.
  • Development and analysis of spiked soil, vegetation, and animal tissue samples.

Main Results:

  • The QAP has operated successfully since its inception.
  • Spiking techniques offer increased versatility and potentially lower costs for sample preparation.
  • Analysis of spiked samples provides valuable data on preparation methods.

Conclusions:

  • The Quality Assessment Program (QAP) effectively evaluates environmental radioactivity data quality.
  • Spiking natural matrix materials presents a viable alternative for sample preparation, offering advantages in cost and versatility.
  • Further research into spiked sample preparation is warranted.

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