2017—2019年云南省参加全国外照射个人剂量监测能力考核结果分析

目的 分析比对2017—2019年云南省疾病预防控制中心参加全国外照射个人剂量监测能力考核数据，总结考核经验，提高监测能力及质量。方法 按照《全国个人剂量监测能力比对方案》的要求进行能力考核准备，寄送个人剂量计盲样。盲样经实验室测量后，依据《外照射个人剂量系统性能检验规范》（GBZ 207—2016）的判定方法和考核方案要求进行结果判定。结果 2017年单组性能为0.02～0.08，综合性能为0.06，结果判定合格；2018年单组性能为−0.01～0.08，综合性能为0.05，结果判定优秀；2019年单组性能为−0.13～−0.04，综合性能为0.08，结果判定合格。结论 本实验室个人剂量监测系统运行稳定，监测结果准确、可靠，质量控制措施有效可行。

An analysis of Yunnan results in national individual dose monitoring ability assessment for external exposure in 2017—2019

Objective To analyze and compare the data of Yunnan Center for Disease Control and Preventionin national individual dose monitoring ability assessment for external exposure in 2017—2019 and summarize the assessment experience, and to improve monitoring ability and quality. Methods Ability assessment preparation was carried out according to the requirements of The National Comparison Scheme for Individual Dose Monitoring Ability, and blind samples of individual dosimeters were sent. After the blind samples were measured in the laboratory, the results were judged according to the judgment methods in the Testing Criteria of Personnel Dosimetry Performance for External Exposure (GBZ 207—2016) and the requirements of the assessment scheme.Results In 2017, there was a single-group performance of 0.02-0.08 and a comprehensive performance of 0.06, and the results were judged to be qualified. In 2018, there was asingle-group performance of ?0.01 to 0.08 and a comprehensive performance of 0.05, and the results were judged to be excellent. In 2019, there was asingle-group performance of ?0.13 to ?0.04 and a comprehensive performance of 0.08, and the results were judged to be qualified. Conclusion The individual dose monitoring system in our laboratory runs stably, and the monitoring results are accurate and reliable. The quality control measures are effective and feasible.