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| Comparison of Individual Dose Anomalies in Certain Areas of China |
| WANG Hong-bo, CHENG Xiao-qing, LI Xiao-liang, SUN Quan-fu |
| National Institute for Radiological Protection, Chinese Center for Disease Control and Provention, Beijing 100088 China |
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Abstract Objective To identify issues existing in the work of individual dose anomaly investigation and verification, and to improve individual monitoring. Methods Based on reports of investigation and verification on individual dose anomalies from 2003 to 2014 in some areas,the standard of determining dose abnormal staff,investigating ways,the percentage of individual dose anomalies in total individual monitoring,the percentage of real exposed people in individual dose anomalies were compared. Results By comparing,it was found that the period of individual monitoring,the standard of determining dose abnormal staff,investigating ways,the criterion for the classification types of occupational exposure are inconsistent. The percentage of individual dose anomalies in total individual monitoring were in the range of 0.2%~1.6%,the percentages of real exposed people in individual dose anomalies were in the range of 3.0%~57.1%. Differences among these areas are big. Conclusion Many problems exist in the work of investigation and verification of individual dose anomalies and these problems are to be handled. Joint efforts should be made to regulate the investigation and verification of individual dose anomalies to protect the health of radiation workers.
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Received: 14 March 2015
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