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目的检验个人剂量监测水平,通过个人剂量监测技能竞赛提高实验室的监测能力,确保监测质量。方法按照2012年江苏省疾控机构个人剂量监测技能竞赛方案,将7组常规监测用的个人剂量计交组织者,经标准照射源照射后,由实验室测量并统计各剂量评定值,并对监测结果进行不确定度的统计和报告。结果单组性能Pi最大为0.013,最小为0.000,︱B︱+S为0.011,均远小于0.4的判定水平,竞赛结果优秀。结论本实验室个人剂量监测系统的准确性、稳定性均较好,监测技术能满足外照射个人剂量监测的性能要求。
Objective To test the level of personal dose monitoring and to improve the monitoring ability of the laboratory through personal dose monitoring skills competition to ensure the quality of monitoring. Methods According to the program of personal dose monitoring skills competition of Jiangsu CDC in 2012, seven groups of routine dosimeters for routine monitoring were handed over to the organizer. After being irradiated by standard irradiation sources, the laboratory assessed and measured the dose of each dose, Monitoring results for the uncertainty of the statistics and reports. Results The maximal single group performance Pi was 0.013, the minimum was 0.000, |︱B | + S was 0.011, both of which were far less than the level of 0.4 and the result of the competition was excellent. Conclusion The accuracy and stability of the personal dose monitoring system in our laboratory are good, and the monitoring technology can meet the performance requirements of external dose monitoring.