摘要
目的调查某市地铁1、2、3号线X射线行包安检系统辐射防护情况,并对其周围辐射水平进行检测,评估该系统对安检人员及公众健康可能造成的影响。方法使用AT1123X、γ辐射剂量当量率仪,按照《X射线行李包检查系统卫生防护标准》(GBZ 127-2002)要求进行检测。结果安检人员操作位和旅客通道辐射水平总体基本接近本底辐射水平;公众在行包入口、行包出口和旅客通道一侧辐射水平均以2号线最高(3.900μGy/h、3.700μGy/h和0.660μGy/h);安检人员在引导位辐射水平以2号线最高(0.830μGy/h),液检位辐射水平以1号线最高(0.720μGy/h),值机位辐射水平以3号线最高(0.970μGy/h)。结论该市地铁1、2、3号线X射线行包安检系统周围辐射水平符合《电离辐射防护与辐射源安全基本标准》(GB 18871-2002)的要求,该系统正常运行状态下,对安检人员和公众的健康与安全造成的影响微乎其微。
Objective To investigate the radiation protection of X-ray luggage safety inspection system of metro lines 1, 2 and 3 in a city, and to test the radiation level around it, and to evaluate the possible impact of the system on the safety inspection personnel and public health.Methods Use the AT1123 X, γ radiation dose equivalent rate instrument to test according to The requirements of health protection standard for X-ray luggage inspection system(GBZ 127-2002).Results The radiation level of operation position and passenger passage of security inspectors was basically close to the background radiation level;the radiation level of the public at the entrance of luggage, the exit of luggage and the side of passenger passage was the highest in line 2(3.900 μ Gy/h, 3.700 μ Gy/h and 0.660 μ Gy/h);the radiation level of security inspectors at the guidance position was the highest in line 2(0.830 μ Gy/h), and the radiation level of liquid inspection position was the highest in line 1(0.720 μ Gy/h). The highest radiation level of check-in Bay was line 3(0.970 μ Gy/h).Conclusion The radiation level around the X-ray luggage security inspection system of metro lines 1, 2 and 3 in this city meets The requirements of basic standard for protection against ionizing radiation and safety of radiation sources(GB18871-2002). Under normal operation of the system, the impact on the health and safety of security inspectors and the public is very small.
作者
刘寅超
周婷
赵潇
宋志伟
刘仓
南小影
刘超
陈渝
LIU Yin-chao;ZHOU Ting;ZHAO Xiao;SONG Zhi-wei;LIU Cang;NAN Xiao-ying;LIU Chao;CHEN Yu(Eighth Research Office,Institute for Hygiene of Ordnance Industry,Xi’an Shaanxi 710065,China)
出处
《中国卫生工程学》
CAS
2021年第3期371-373,共3页
Chinese Journal of Public Health Engineering
关键词
地铁
X射线行包安检系统
周围辐射水平
Metro
X-ray luggage security inspection system
Ambient radiation level
