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目的了解2010～2012年莱州市放射工作人员接受的外照射个人剂量水平,为加强放射防护管理提供依据。方法按照GBZ 128-2002《职业性外照射个人监测规范》的要求,采用热释光剂量方法监测。结果 2010～2012年人均年有效剂量为0.41 mSv,呈逐年下降趋势,其中临床介入诊疗工作人员所受剂量水平最高,为0.76 mSv。结论莱州市放射工作人员个人剂量水平符合国家标准限值,其工作环境是安全的,介入诊疗工作人员仍是今后防护的重点。
Objective To understand the personal dose level of radiation exposure received by radiation workers in Laizhou City from 2010 to 2012, and provide the basis for strengthening radiation protection management. Methods According to the requirements of GBZ 128-2002 “Occupational exposure to external personal monitoring norms”, using the method of thermoluminescence dose monitoring. Results The annual effective dose per capita was 0.41 mSv from 2010 to 2012, showing a decreasing trend year by year. Among them, the clinicians received the highest dose of 0.76 mSv. Conclusion The personal dose level of radiation workers in Laizhou City meets the national standard limits, and its working environment is safe. Interventional medical staffs are still the focus of future protection.