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目的了解2012年大连市放射工作人员外照射个人剂量水平,客观评价放射工作场所防护水平和管理水平。方法按照GBZ128-2002《职业性外照射个人剂量监测规范》的方法进行。结果 2012年大连放射工作人员集体有效剂量为2.2人·Sv,年人均有效剂量为1.12 mSv/a,其中医学应用为1.23 mSv/a,工业应用为1.01mSv/a。结论2012年大连市放射工作人员受照剂量总体上呈下降趋势,绝大多数放射工作人员的个人剂量水平在调查水平之内。
Objective To understand the personal dose level of radiation workers in Dalian in 2012 and objectively evaluate the radiation protection level and management level in the workplace. Methods in accordance with GBZ128-2002 “occupational exposure to personal dose monitoring norms” approach. Results In 2012, the collective effective dose of radiation workers in Dalian was 2.2 persons · Sv, and the annual effective dose per person was 1.12 mSv / a. The medical application was 1.23 mSv / a and the industrial application was 1.01 mSv / a. Conclusion In 2012, the radiation doses of radiation workers in Dalian generally showed a downward trend, and the individual dose levels of the vast majority of radiation workers were within the survey levels.