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Using operational equipment to read accident dosemeters.

R T Devine1, M M Vigil, W A Martinez

  • 1Los Alamos National Laboratory G761 Los Alamos, NM 87545, USA. devine_r@lanl.gov

Radiation Protection Dosimetry
|September 9, 2004
PubMed
Summary

Portable spectrometers offer a viable solution for on-site analysis of accident dosemeters, addressing limitations of traditional lab equipment. This advancement aids in managing large numbers of dosemeters during emergencies, particularly for personnel with lower radiation exposure levels.

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Area of Science:

  • Nuclear Science and Engineering
  • Radiation Detection and Measurement

Background:

  • Traditional accident dosemeter analysis relies on bulky, non-portable laboratory equipment like gamma spectrometers and alpha-beta detectors.
  • Transporting this specialized equipment for on-site intercomparison studies or accident response is challenging due to shielding, weight, and fragility.
  • Existing systems struggle to efficiently process large volumes of dosemeters during actual accident scenarios.

Purpose of the Study:

  • To evaluate the feasibility of using improved portable gamma and beta monitoring equipment as spectrometers for on-site dosemeter analysis.
  • To provide an alternative system for managing dosemeters from personnel likely to receive lower radiation doses in accident situations.
  • To assess the performance of portable spectrometers in an intercomparison study.

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Main Methods:

  • Utilized portable operational equipment capable of gamma and beta monitoring, functioning as spectrometers.
  • Employed this system during the SILENE intercomparison conducted at IRSN Valduc.
  • Compared preliminary results obtained from the portable system with those from other participants.

Main Results:

  • The portable spectrometer system was successfully deployed for on-site dosemeter analysis during the SILENE intercomparison.
  • Preliminary results from the portable system demonstrated good agreement with data from other participating laboratories.
  • The system shows promise for managing dosemeters in scenarios where traditional lab equipment is impractical.

Conclusions:

  • Portable gamma and beta monitoring equipment, when used as spectrometers, offer a practical alternative for on-site accident dosemeter analysis.
  • This technology can effectively address the limitations of traditional laboratory-based counting equipment in intercomparison studies and accident response.
  • The successful use in the SILENE intercomparison suggests the potential for improved efficiency and accessibility in radiation dosimetry.