1监测目的和内容根据院2012年度常规监测计划要求,辐射安全研究所辐射监测与评价研究室现场辐射监测组对我院的辐射工作场所(监督区)进行了监督性监测。监测的主要内容:辐射工作场所中外照射剂量率;α、β表面污染水平;放射性气溶胶中的总α、总β浓度。监督性监测周期为每年1～4次。 1 Purpose and Content of Monitoring According to the requirements of the routine monitoring plan of the hospital in 2012, the on-site radiation monitoring team of Radiation Monitoring and Evaluation Laboratory of Radiation Safety Institute conducted supervisory monitoring on the radiation work place (supervision area) in our hospital. The main content of monitoring: radiation dose rate of Chinese and foreign radiation in the workplace; α, β surface contamination levels; radioactive aerosol in the total α, total β concentration. Surveillance monitoring cycle of 1 to 4 times per year.