天然本底辐射作为一个可能与人类健康有关因素而愈来愈受到人们的关注,本底辐射水平对于生产、使用放射性核素的卫生防护评价是一项重要的背景值。为此,我们于1983年7月～9月间对全市13个县(市)的γ本底外照射水平进行了较系统调查测量。本次调查使用的仪器是采用经全国卫生系统统一刻度并 Natural background radiation as a possible human health-related factors and more and more people’s attention, background radiation level for the production, the use of radionuclide health protection evaluation is an important background value. To this end, we carried out a relatively systematic survey of γ out-of-range exposure levels in 13 counties (cities) in the city from July to September 1983. The instruments used in this survey are based on a unified scale of the national health system