Two methods for examining angular response of personnel dosimeters

Journal Article · Wed Jun 01 04:00:00 EDT 1988 · Health Phys.; (United States)

DOI:https://doi.org/10.1097/00004032-198806000-00001· OSTI ID:6838603

Plato, P; Leib, R; Miklos, J

The American National Standard ANSI N13.11-1983 is used to test the accuracy (bias plus precision) of dosimetry processors as part of the dosimetry accreditation program of the National Voluntary Laboratory Accreditation Program (NVLAP). Section 3.8 of the ANSI N13.11-1983 standard requires that a study of the angular response of a dosimeter be carried out once, although no pass/fail criterion is given for angular response. The NVLAP accreditation program excluded Section 3.8, and thus no angular response data have been generated in an organized fashion. The objective of this project is to examine the feasibility of two alternative methods to test the angular response of personnel dosimeters. The first alternative involves static irradiations with the dosimeters at fixed angles to a radiation source. The second alternative involves dynamic irradiations with the dosimeters mounted on a rotating phantom. A Panasonic UD-802 personnel dosimetry system** was used to generate data to examine both alternatives. The results lead to two major conclusions. Firstly, Section 3.8 of the ANSI N13.11-1983 standard should be amended to require a pass/fail test for angular response. Secondly, a comparison between angular response data generated with a fixed or a rotating phantom shows that the rotating phantom is the more cost-effective method.

• Research Organization: Univ. of Michigan, Ann Arbor (USA)
• OSTI ID: 6838603
• Journal Information: Health Phys.; (United States), Journal Name: Health Phys.; (United States) Vol. 54:6; ISSN HLTPA
• Country of Publication: United States
• Language: English

Related Subjects

61 RADIATION PROTECTION AND DOSIMETRY
655003* -- Medical Physics-- Dosimetry
ACCURACY
ALGORITHMS
DOSEMETERS
DOSIMETRY
EVALUATION
MATHEMATICAL LOGIC
MEASURING INSTRUMENTS
MONITORING
PERSONNEL DOSIMETRY
RADIATION MONITORING