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AAPM has contracted with NCRP to provide each AAPM Member in good standing access and download privileges of electronically available NCRP reports, commentaries and statements. This report was prepared by the National Council on Radiation Protection and Measurements (NCRP). The Council strives to provide accurate, complete and useful information in its reports. However, neither the NCRP, the members of NCRP, other persons contributing to or assisting in the preparation of this report, nor any person acting on the behalf of any of these parties (a) makes any warranty or representation, express or implied, with respect to the accuracy, completeness or usefulness of the information contained in this report, or that the use of any information, method or process disclosed in this report may not infringe on privately owned rights; or (b) assumes any liability with respect to the use of, or for damages resulting from the use of, any information, method or process disclosed in this report.

Report No. 112 - Calibration of Survey Instruments Used in Radiation Protection for the Assessment of Ionizing Radiation Fields and Radioactive Surface Contamination (1991) This is a members only link.

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Category: Reports

Report No. 112 is one in a series of reports concerned with operational radiation protection issues. It was formulated in recognition of the fact that implementation of recommendations for the protection of workers and the public, as well as demonstration of compliance with the requirements of regulatory agencies, requires instrumentation and techniques for the measurement and evacuation of radiation fields and radioactive contamination. Proper calibration procedures are, of course, and essential requirement for effective measurement and evaluation. Report No. 112 is focused on the calibration of portable instruments used in dose equivalent assessment and the evaluation of surface contamination. The Report outlines the techniques and procedures necessary to characterize the desired responses of various survey instruments through appropriate calibration procedures. Major sections of the Report treat the following topics:

  • considerations in the calibration process
  • calibration facility
  • calibration of photon measuring instruments for external radiation field evaluation
  • calibration of beta dose measuring instruments for the assessment of neutron radiation fields
  • calibration of field instrumentation for the assessment of surface contamination
Appendices to the Report, in addition to providing details on techniques and a glossary of terms, also set out examples of calibrations appropriate for instruments used in photon radiation fields, for beta dose response, for neutron source measurements, and for assessment of surface contamination. Also treated in an appendix are the systematic uncertainties in the calibration process.
Scientific Committee:
George E. Chabot, Chairman

Seymour Block
Dale M. Fleming
Curtis L. Graham
Bryce L. Rich
Jacob Shapiro
Kenneth R. Kase, Liaison
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