The results of a determination of the concentration and dispersity of radioactive aerosols in the local zone of the Cover in spring 2011 are presented. Aside from aerosols – products of the accident at the Chernobyl NPP in 1986, technogenic 131,132I, 132Te, and 134,136Cs contained in the emissions from the damaged units of the Fukushima-1 NPP and spreading in the Northern Hemisphere were found. It was determined that technogenic 131I and 134Cs and naturally occurring 7Be and 210Pb were present on the carriers of similar activity median aerodynamic diameter <1 μm. It is shown that the content of radioactive aerosols – products of the accident at the Fukushima-1 NPP did not exceed the admissible concentration of radionuclides in air for the population and did not make a substantial additional contribution to the dose load to workers at the site of the Cover.
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Translated from Atomnaya Énergiya, Vol. 112, No. 3, pp. 168–174, March, 2012.
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Kalynovsky, A.K., Krasnov, V.A., Ogorodnikov, B.I. et al. Observation of radioactive aerosols in chernobyl after the accident at the fukushima-1 npp. At Energy 112, 199–206 (2012). https://doi.org/10.1007/s10512-012-9543-4
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DOI: https://doi.org/10.1007/s10512-012-9543-4