Characteristics of radionuclide contamination of different zones of Semipalatinsk Nuclear Test Site “Opytnoe pole” |
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| Authors: | K K Kadyrzhanov S Khazhekber S N Lukashenko V P Solodukhin I V Kazachevskiy V L Poznyak B B Knyazev Ch Rofer |
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| Institution: | 1.Institute of Nuclear Physics,National Nuclear Center,Almaty,Republic of Kazakhstan;2.Los Alamos National laboratory,Los Alamos,USA |
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| Abstract: | Data on the spatial distribution of radionuclides (241Am, 239Pu, 137Cs and 152Eu) formed during nuclear explosions of different types near P2 SNTS test site are presented. Radionuclide contamination induced by the explosions varies in the concentrations of individual radionuclides, their proportions and species. Examination of the variations is a crucial task to plan remediation activities as well as those aimed at decrease of radiation risk for population and prevention of repeated contamination. Concentrations of 241Am and 239+240Pu that are the most toxic radionuclides in the area lie in hundred thousands of Bqkg?1. The most contaminated areas are classified by the radionuclide concentration, ratio and form present in soil. |
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