Analysis of radiouclide contamination of forestry products on the territory of Ukraine 2013–2019


  • Z. V. Malimon State Scientific and Research Institute of Laboratory Diagnostics and Veterinary and Sanitary Expertise, Kyiv, Ukraine
  • V. Z. Salata Stepan Gzhytskyi National University of Veterinary Medicine and Biotechnologies Lviv, Ukraine http://orcid.org/0000-0002-9713-0746
  • G. S. Kochetova State Scientific and Research Institute of Laboratory Diagnostics and Veterinary and Sanitary Expertise, Kyiv, Ukraine
  • T. O. Prokopenko State Scientific and Research Institute of Laboratory Diagnostics and Veterinary and Sanitary Expertise, Kyiv, Ukraine https://orcid.org/0000-0003-2706-5691
  • L. M. Gusak State Scientific and Research Institute of Laboratory Diagnostics and Veterinary and Sanitary Expertise, Kyiv, Ukraine https://orcid.org/0000-0001-7570-2574
Keywords: contamination, 137Cs and 90Sr radionuclides, maximum permissible level, forest products, dosage products, migration, man-made radionuclides, positive samples, dynamics of contamination, specific activity.

Abstract

The analysis of the results of radiological studies of food and feed conducted by the specialists of the state laboratories of the State Consumer Service for 20132019 is performed. The analyzed results show that in the territories assigned to the radiation contamination zones, samples with a radionuclide content exceeding the maximum admissible levels of 137Cs and 90Sr are constantly detected. Even 33 years after the Chernobyl accident, the specific activity of 137Cs in mushrooms and berries remains high. Specialists of the state laboratories of the State Consumer Service during this period carried out radiological examinations of food and feed for the contents of 137Cs and 90Sr. Exceedance of the maximum permissible levels (DR) of 137Cs was detected in 3.253 samples, of which 1.277 were fresh mushrooms and yagi and 729 were dried and dried mushrooms and berries. It is established that forest mushrooms and berries (fresh and dried) are the critical dose-forming foods, accounting for the largest proportion of about 62 % of the total positive samples. A much better situation was observed in detecting an excess of DR 90Sr. During the study period, contamination of 90Sr food and feed is of a single nature. The dynamics of detecting excesses of DR 137Cs in forest mushrooms and berries (fresh and dried) for 2013–2019 have significant fluctuations related to environmental conditions and the multidirectional migration of man-made radionuclides in forest ecosystems. The use, even in small quantities, of forest origin products with a maximum specific activity of 137Cs can play a significant role in the internal exposure of long-lived radionuclide to the local population. Therefore, the largest proportion of forest food products (62 %) is in the balance of radionuclide-contaminated products during the last seven years. (2013–2019) and other products and feeds are the basis for further radiological control by their state laboratories of the State Consumer Service.

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Published
2020-05-07
How to Cite
Malimon, Z., Salata, V., Kochetova, G., Prokopenko, T., & Gusak, L. (2020). Analysis of radiouclide contamination of forestry products on the territory of Ukraine 2013–2019. Scientific Messenger of LNU of Veterinary Medicine and Biotechnologies. Series: Veterinary Sciences, 22(97), 47-51. https://doi.org/10.32718/nvlvet9709