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目的了解四川省放射工作人员个人剂量水平,为放射防护提供科学依据。方法采用热释光剂量测量方法对四川省2008年放射工作人员进行监测。结果全省共监测7499人,年人均有效剂量为1.03mSv/a,年集体剂量为7.79人.Sv,年有效剂量小于5mSv/a的人员占98.61%,有0.11%的人员超过20mSv/a国家标准规定放射工作人员年剂量限值。年有效剂量排列前6位的放射工种分别是测井6.54mSv/a、介入放射学4.27mSv/a、石油和天然气工业2.51mSv/a、加速器运行2.40mSv/a、核医学2.21mSv/a、工业探伤1.90mSv/a。结论四川省放射防护工作有待进一步加强。
Objective To understand the personal dose level of radiation workers in Sichuan Province and provide scientific evidence for radiation protection. Methods The dosimetry of thermoluminescence was used to monitor radiation workers in Sichuan Province in 2008. Results A total of 7499 people were monitored in the province, the annual average effective dose was 1.03mSv / a, the annual collective dose was 7.79, the annual effective dose was less than 5mSv / a, accounting for 98.61%, 0.11% more than 20mSv / a countries The standard specifies annual dose limits for radiation workers. The annual effective dose arrangement of the six major radiological workers were well logging 6.54mSv / a, interventional radiology 4.27mSv / a, petroleum and natural gas industry 2.51mSv / a, accelerator operation 2.40mSv / a, nuclear medicine 2.21mSv / a, Industrial testing 1.90mSv / a. Conclusion Radiation protection in Sichuan needs to be further strengthened.