HU Ai-ying,XU Hui,YUAN Long.Intercomparison of individual monitoring of external exposure in China[J].Chinese Journal of Radiological Medicine and Protection,2007,27(4):387-389
Intercomparison of individual monitoring of external exposure in China
Received:March 16, 2007  
DOI：
KeyWords:Personal dosimeter  Intercomprison  Quality control
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Author NameAffiliation
HU Ai-ying National Institute for Radiological Protection, China CDC, Beijing 100088, China 
XU Hui National Institute for Radiological Protection, China CDC, Beijing 100088, China 
YUAN Long National Institute for Radiological Protection, China CDC, Beijing 100088, China 
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Abstract::
      Objective To increase the level of individual monitoring of external exposure by intercomparison in China.Methods Fifty_seven agencies were involved in the intercomparison. Ten sets of dosimeters submitted by each of them were irradiated with conventional doses at NIM or SSDL. Thermoluminescent dosimenters (TLDs) were used by more than 90% of them. Results The relative deviation lied within 10% for 85% of them. Conclusions It is very necessary to perform such intercomparison periodically for quality control in individual monitoring of external exposure.
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