淮北市环境外照射辐射水平调查李怀清（淮北市卫生防疫站）生活在自然环境中的人类每时每刻都在接受天然辐射源照射。为了解我市天然辐射的本底水平，评价环境质量及其对人群的影响，我们于１９９４年３月对我市环境γ外照射量率进行了调查，结果报告如下：１调查方法本次... Survey of Environmental Radiation Exposure in Huaibei City Li Huaiqing (Health and Anti-Epidemic Station, Huaibei City) Human beings living in the natural environment are exposed to natural radiation all the time. In order to understand the background level of natural radiation in our city and evaluate the environmental quality and its impact on the population, we conducted an investigation on the environmental γ external radiation rate of our city in March 1994, and the results are reported as follows: 1 This survey method. ..