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核电站投产运行前的周围环境的本底调查资料是提供运行前的环境影响评价报告的重要组成部分。本文报告了该调查的两轮调查中的第二轮中关于大气飘尘和雨水部分的采样、样品制备、γ放射性核素测量的设备和分析方法、以及调查结果的分析讨论,与第一轮调查结果相比,除了调查选点等方面的扩充改进外,更由于采用了反符合屏蔽/康普顿抑制低本底γ谱仪与“单晶”γ谱仪联合测量系统而获得更完满的数据资料,从而为开展更深入的环境科学研究提供了更系统的资料依据。
The background information of the surrounding environment before the nuclear power plant goes into operation is an important part of providing pre-operational EIA report. This paper reports on the second round of the two rounds of the survey, the sampling and sample preparation, the equipment and analytical methods for gamma-radionuclide measurement, and the analytical discussion of the results of the first survey In addition to the expansion and improvement of the selection of points and other aspects, more complete data were obtained due to the combination of anti-mask / Compton suppressed low background gamma spectrometer and “single crystal” gamma spectrometer Data, so as to carry out more in-depth environmental science research provides a more systematic basis for the information.