CONTAMINATION OF WOOD ASH WITH 137Cs IN THE NORTHERN PART OF ZHYTOMYR REGION
Journal Title: Наукові доповіді НУБіП України - Year 2018, Vol 1, Issue 1
Abstract
Results of the study of contamination level of wood ash with 137Cs in private farms of settlements in the northern part of Zhytomyr region, performed in 2017, have been analyzed. As a result of the analysis of 154 samples by the gamma spectrometry method, it was found that the 137Cs specific activity ranged from 170 to 32900 Bq/kg in wood ash, formed during the burning of contaminated wood fuel in wood-fired ovens in private farms of this region. Generalized data on relative distribution of the wood ash samples of the studied settlements by the value of 137Cs specific activity is presented in the article. According to the Basic Sanitary Rules of Ukraine-2005, using 137Cs specific activity as a criterion, 9 % of the total number of ash samples, collected in private farms of the monitoring network, can be considered as low-level radioactive waste, in particular: 3.9 % of ash samples, collected in the Bigunsky Village Council; 7.1 % of ash samples, collected in the Mozharovsky Village Council; 7.7 % of ash samples, collected in the Pischanitsky Village Council and 22.7 % of ash samples, collected in Narodychi town. Obtained data indicate that contaminated with radionuclides wood ash is an additional factor of radiation hazard, since it is a potential source of additional external and internal exposure for local population.
Authors and Affiliations
М. M. Lazarev, О. V. Kosarchuk, S. V. Polishchuk, S. E. Levchuk, L. M. Otreshko
Keywords
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