It was a long-term serial research for the air quality and fallout amount in the community surrounding the nuclear power plant（Ⅰ）&（Ⅱ）in northern Taiwan, including Shihmen, Chinshan and Wanli. The purpose of this study was to analyze the change of radionuclides types and radioactivity concentration in these places in different time. We focused on the field of environmental air and fallout samples collection and radionuclides supervision.
