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Performance Analysis of Electronic Personal Dosimeter(EPD) for External Radiation Dosimetry
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 Title & Authors
Performance Analysis of Electronic Personal Dosimeter(EPD) for External Radiation Dosimetry
Lee, Byoung-Il; Kim, Taejin; Lim, Young-Khi;
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As performance of electronic personal dosimeter (EPD) used for auxiliary personal dosimeter in nuclear power plants (NPPs) has been being continuously improved, we investigated application cases in Korea and other countries and also tested it in NPPs to assess the performance of EPD for external radiation dosimetry. Result of performance tests done in domestic NPPs was similar to those obtained by IAEA in cooperation with EURADOS (IAEA-TECDOC-1564). In addition, EPD/TLD dose ratio has shown similar tendency of EPD/Film-badge dose ratio from the research by the Japan Atomic Power Company (JAPC) and EPD provided more conservative value than TLD or Film-badge. Although some EPD's failures have been discussed, EPD has shown continuous improvement according to the report of Institute of Nuclear Power Operation (INPO) and data from domestic NPPs. In conclusion, It is considered that the general performance of EPD is adequate for external radiation dosimetry compared with that of TLD, providing appropriate performance checking procedure and alternative measures for functional failure.
EPD;TLD;Active dosimeter;Passive dosimeter;Nuclear power plant;
 Cited by
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