1.1 外照射个人剂量监测1990年全院接受外照射个人剂量监测的工作人员为1328人,所受年集体剂量当量为2.22人·Sv;年平均剂量当量为1.67mSv;个人最大年剂量当量为59.7mSv;该工作人员属同位素研究所。同位素所五十二室于11月19日和20日两次处理强放废物(~(60)Co),在操作中有六位工作人员都受到超剂量事故照射,其中两人单次照射所受剂量分别高达 1.1 External dose of personal dose monitoring External hospital in 1990 to accept personal dose monitoring of the staff of 1328 people, the annual collective dose equivalent of 2.22 people · Sv; average annual dose equivalent of 1.67mSv; individual maximum annual dose equivalent of 59.7 mSv; The staff is a isotope Institute. Fifty-two Isotopes handled the lethal wastes (~ (60) Co) twice on November 19 and on day 20. Six workers were exposed to overdosing accidents during operation, of which two were exposed to a single exposure By the dose up to