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目的检验个人剂量监测技术水平,保证监测质量。方法按照比对方案要求,完成剂量计准备、邮寄、测量并及时提交比对报告。结果 5组盲样经单组性能和综合性能判定均合格,并评定了比对结果的不确定度,相对扩展不确定度为6.7%~12%。结论放射工作人员个人监测的不确定度主要来源于能量响应、校准、非线性响应及平行测量等方面。
Objective To test the technical level of personal dose monitoring to ensure the quality of monitoring. Methods According to the requirements of the protocol, we completed the dosimeter preparation, mailing, measurement and timely submission of the comparison report. Results Five groups of blind samples were tested for their single-group performance and comprehensive performance, and the uncertainty of the comparison results was evaluated. The relative expansion uncertainty was 6.7% ~ 12%. Conclusion The uncertainty of personal monitoring of radiation workers mainly comes from energy response, calibration, nonlinear response and parallel measurement.