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J Radiat Prot > Volume 21(3); 1996 > Article
Journal of Radiation Protection 1996;21(3):147-0.
개인선량계 성능의 국내 상호비교
Domestic Intercomparison Study for the Performance of Personnel Dosimeters
Kim, Jang-Lyul;Chang, Si-Young;Kim, Bong-Hwan;
The Korea Atomic Energy Research Institute(KAERI) conducted a intercomparison study for personnel dosimetry services in Korea to enhance the accuracy and precision of the dosimetry system. Nine types of dosimeters(6 TLD, 3 film badge) from 7 institutions took part in this intercomparison study. Each participant submitted 30 dosimeters including transit control for irradiations. Both TLDs and film badges were irradiated with Cs-137 gamma, Sr/Y-90 beta and 4 X-ray beams in ISO wide series. Four dosimeters were irradiated on phantom with same dose equivalent for each field category. The delivered dose equivalent was in the range of $0.1{sim}10mSv$. The participants assessed the results of their dosimeter readings in terms of the ICRU operational quantities for personal monitoring, Hp(10) and Hp(0.07). Most participants except 1 dosimeter estimated the delivered dose equivalent with biases less than ${pm}25%$ for Cs-137 and Sr/Y-90. But for X-rays, the biases exceeded ${pm}35%$ in some cases bacause the dose evaluation algorithm was based on the ANSI N13.11 X-ray fields which are different from those given by ISO.
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