Current radiological situation in areas of Ukraine contaminated by the Chernobyl accident: Part 1. Human dietary exposure to Caesium-137 and possible mitigation measures

Environment International
I LabunskaY Khomutinin

Abstract

This study reports for the first time temporal trends for the period of 2011-2016 in 137Cs content in cow's milk originating from private farms and households of 14 settlements located in the territories of the Rivne region, Ukraine. These areas are still radioactively contaminated as a result of the accident at the Chernobyl Nuclear Power Plant (ChNPP) in 1986. In 2016, the average 137Cs activity concentration in milk exceeded the Ukrainian Permissible Level (PL) for adults of 100 Bq/l in samples from 6 settlements and the PL for children of 40 Bq/l in 8 settlements, reaching activity concentration of around 500 Bq/l in some samples. Estimated annual effective doses calculated utilizing two different methodologies were in the range of 1.4-2.6 mSv/year and 1.2-1.8 mSv/year, respectively. The estimated effective period of milk semi-purification (T1/2_eff) from 137Cs in these settlements was in the range from 8 to 17 years. The estimated ecological period of milk semi-purification (T1/2_eco) from 137Cs was in the range from 11 to 36 years. The optimization of the remedial actions strategy for investigated settlements exposed to an effective dose above 1 mSv/year (as estimated in 2016) has shown that a diversity of measures can de...Continue Reading

References

Jun 19, 2007·The Science of the Total Environment·Sergey V FesenkoYury M Zhuchenka
Oct 9, 2009·The Science of the Total Environment·P JacobM Zhurba
Oct 5, 2010·Journal of Environmental Radioactivity·S FesenkoYu Zhuchenka
Nov 26, 2010·Radiation and Environmental Biophysics·A UlanovskyN Sanzharova

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Citations

Apr 3, 2021·Journal of Environmental Radioactivity·Yu KhomutininV Kashparov
Apr 4, 2021·Journal of Environmental Radioactivity·S FesenkoI Ibatullin
May 12, 2021·Journal of Immigrant and Minority Health·Julie CwikelMichael Quastel
Aug 6, 2021·Ecotoxicology and Environmental Safety·Grzegorz Oloś, Agnieszka Dołhańczuk-Śródka

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