意大利加里利亚诺核电厂退役阶段环境样品的锕系元素测量
Actinides measurements on environmental samples of the Garigliano Nuclear Power Plant (Italy) during the decommissioning phase
摘要：
进行了一次环境调查，以便对Garigliano国家核电站的退役作业可能对周围地区的环境造成的放射性影响进行充分和最新的评估。测量了铀（235U、236U、238U）和钚（239Pu、240Pu）的一些同位素以及一些γ放射性核素（60Co、137Cs和40K），以量化可能的污染并确定来源。锕系元素同位素的测量采用AMS技术，该技术能够检测痕量元素，并达到其他方法无法获得的灵敏度。结果表明，人为因素主要是由于大气沉降，没有污染可以计入NPP。数据以地理参照地图的形式显示，以突出显示每种测得的放射性核素的分布区域和某些特定方面。
英文摘要：
An environmental survey was carried out in order to provide an adequate and updated assessment of the radiological impact that the decommissioning operations of the Garigliano NNP may have procured to the environment of the surrounding area. Some isotopes of uranium (235U, 236U, 238U) and plutonium (239Pu, 240Pu) and some γ-emitter radionuclides (60Co, 137Cs and 40K,) were measured to quantify the possible contamination and identify the origin source. Actinides isotopes were measured with the AMS technique that is able to detect elements in traces and reach sensitivity that cannot be obtained with other methods. The results show that the anthropogenic component is essentially due to the atmospheric fallout and no contamination can be charged to the NPP. Data are represented in geo-referenced maps to highlight the distribution area and some particular aspects of each measured radionuclide.
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