摘要
本文介绍了使用双 TL 元件监测北京市放射工作者个人剂量的方法、结果及质量保证措施。1986年,我们在北京市319个放射性工作单位(七类放射性工作)中,监测了1761名放射工作人员的个人剂量。监测结果表明,各类放射工作者的年平均体表吸收剂量为0.8—2.2mGy,北京市从事医疗工作的放射工作人员的年集体剂量为4.6人·Gy。对于月剂量大于1.4mGy 的人员均进行了剂量核查。文中还指出了改善防护条件的环节。
Introduced in this paper were the procedure,results andquality assurance of personal dose monitoring with dosimeters of double TLelements for radiological staffs in Beijing.The individual monitoring werecarried our for 1761 radiological workers seperetely serving in 319 unites,which were divided into 7 categories on the basis of their radiological cond-itions On the average,the a annual absorbed dose in body surface wasestimated to be 0.8—2.2mGy.The average annual collective dose for staffsin medicl departments was 4.6 man.Gy in Beijing.Individuals with monthlydose rate greater than 1.4 mGy were specially re-examined.Where protectionmeasures should be improved in these practices were also pointed out.
出处
《辐射防护》
CAS
CSCD
北大核心
1989年第2期121-126,共6页
Radiation Protection
