COMPREHENSIVE RADIOLOGICAL AND HYGIENIC MONITORING OF PARTICULAR SETTLEMENTS OF KYIV REGION IN 2019
V V Vasylenko1, G M Zadorozhna1, M S Kuriata1
1State Institution «National Research Center for radiation Medicine of the National Academy of medical Sciences of Ukraine», 53 Yuriia Illienka str., Kyiv, 04050, Ukraine.
Problemy Radiatsiinoi Medytsyny Ta Radiobiolohii
|December 28, 2020
Summary
Radiation doses in Kyiv region have decreased, but consumption of contaminated mushrooms remains a concern. Continued monitoring is essential for public health in radioactively affected areas.
Area of Science:
- Environmental Science
- Radiological Health
- Public Health
Background:
- Radioactive contamination in Kyiv region persists following the Chernobyl accident.
- Long-term monitoring is crucial for assessing population radiation doses and health risks.
Purpose of the Study:
- To identify key factors influencing radiation doses in contaminated areas of Kyiv region.
- To assess the impact of these factors on the population's radiation exposure in 2019.
Main Methods:
- Comprehensive radiological and hygienic monitoring in eight settlements.
- Whole-body counting for incorporated 137Cs and radionuclide analysis of foodstuffs (90Sr, 137Cs).
- Resident interviews on dietary habits and estimation of external radiation doses.
Main Results:
- Annual internal radiation doses decreased by 1.3 times between 2016 and 2019.
- Radionuclide levels in milk and potatoes are below permissible limits.
- 137Cs levels in dried mushrooms significantly exceed permissible limits, posing a risk.
Conclusions:
- Internal radiation doses, primarily from consuming forest products like mushrooms, are the main contributors to population exposure.
- Annual effective doses remain below the regulatory criterion of 1 mSv/year.
- Further monitoring of 90Sr in milk and 137Cs in mushrooms is recommended.
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