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Observation of Radioactive Aerosol Emissions from the Sarcophagus at the Chernobyl Nuclear Power Plant

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Abstract

It is shown that high wind velocity outdoors results in a higher concentration of radioactive aerosols in the ventillation exhaust from the sarcophagus. Aerosol samples from manholes in the roof of the sarcophagus have been collected, for the first time ever, in January–December 2002 on trilayer filter packets. The 137Cs concentration in outgoing flows is 0.7–2.3 Bq/m3. The activity median aerodynamic diameter of the aerosol carrier particles is 0.7–1.8 μm. At the same time, the 137Cs concentration in the atomspheric layer at the ground dear the sarcophagus was 1000 times lower and the carrier-particle sizes 2–4 times larger.

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Authors and Affiliations

  1. State Science Center of the Russian Federation –, L. Ya. Karpov Institute for Scientific Research in Physical Chemistry, Russia

    B. I. Ogorodnikov & A. K. Budyka

  2. Interdepartmental Scientific and Technological Center Ukrytie, Ukrainian National Academy of Sciences, Ukraine

    N. I. Pavlyuchenko

Authors
  1. B. I. Ogorodnikov
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  2. A. K. Budyka
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  3. N. I. Pavlyuchenko
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Ogorodnikov, B.I., Budyka, A.K. & Pavlyuchenko, N.I. Observation of Radioactive Aerosol Emissions from the Sarcophagus at the Chernobyl Nuclear Power Plant. Atomic Energy 96, 202–213 (2004). https://doi.org/10.1023/B:ATEN.0000030923.05177.e7

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  • DOI: https://doi.org/10.1023/B:ATEN.0000030923.05177.e7

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