Medical Radiology and Radiation Safety. 2024. Vol. 69. № 5
DOI:10.33266/1024-6177-2024-69-5-34-41
A.V. Titov, Iu.S. Belskikh, D.V. Isaev, N.K. Shandala,
T.A. Doroneva, Iu.V. Krotkova, M.P. Semenova, A.A. Shitova, A.A. Filonova
Radio-Ecological Situation in the Area of the Settlement of Narta (Kalmykia)
A.I. Burnazyan Federal Medical Biophysical Center, Moscow, Russia
Contact person: A.V. Titov, e-mail: This email address is being protected from spambots. You need JavaScript enabled to view it.
ABSTRACT
Purpose: To assess radio-ecological situation in the settlement of Narta and estimate current public doses.
Material and methods: To measure the ambient dose equivalent rate (ADER), the pedestrian gamma survey method was used using a portable spectrometric complex MKS-01A “Multirad-M” and dosimeter-radiometer MKS- AT6101c. To measure the ADER in courtyards and indoors, a gamma radiation dosimeter DKG-02U “Arbiter” was used. The activity of gamma-emitting radionuclides in soil samples was measured using a stationary gamma spectrometer from CANBERRA. The activities of 210Po and 210Pb were measured using a radiometric installation UMF-2000 following their radiochemical separation from samples. Volumetric activity (VA) and equilibrium equivalent volumetric activity (EEVA) of radon were measured with an aerosol alpha radiometer for radon and thoron RAA-20P2 “Poisk”, REI-4 cameras with film track detectors of the TRACK-REI 1M set (Russia) and an integrated radon radiometer «Radon Scout PLUS». Public dose assessment was carried out in accordance with a guidelines MU 2.6.1.1088-02.
Results: The average value of the ADER on the territory of the settlement is 0.10±0.01 µSv/h, and in the premises this value is 0.10±0.02 µSv/h. Average annual values of radon VA in dwellings range from 27 to 330 Bq/m3 (average value is
110 Bq/m3, median is 97 Bq/m3). Average annual individual effective radiation doses to the population from all natural factors range from 2.5 to 13 mSv, with an average value of 5.4 and a median of 4.9 mSv.
Conclusions: The radio-ecological situation is the settlement of Narta does not differ from that in the background settlement – the village of Uldyuchiny. The average annual values of EEVA in dwellings and offices of the settlement do not exceed the permissible level for the operating buildings of 200 Bq/m3. The annual individual effective public dose in the village of Narta is higher than the average value for Kalmykia (3.4 mSv) due to increased dose values from the inhalation intake of radon and its daughter radionuclides in the premises.
Keywords: radio-ecological survey, natural radionuclides, gamma radiation, radon, mine, specific activity
For citation: Titov AV, Belskikh IuS, Isaev DV, Shandala NK, Doroneva TA, Krotkova IuV, Semenova MP, Shitova AA, Filonova AA. Radio-Ecological Situation in the Area of the Settlement of Narta (Kalmykia). Medical Radiology and Radiation Safety. 2024;69(5):34–41. (In Russian). DOI:10.33266/1024-6177-2024-69-5-34-41
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PDF (RUS) Full-text article (in Russian)
Conflict of interest. The authors declare no conflict of interest.
Financing. The work was financed under the State Contract as part of the Federal Target Program «Nuclear and Radiation Safety for 2016-2020 and for the period until 2030».
Contribution. Titov A.V., Senior Researcher – data collection and processing, writing the text; Belskikh Iu.S., Researcher – data collection and processing, writing the text; Isaev D.V., Senior Researcher – data collection and processing, writing the text; Shandala N.K., Deputy General Director, Dr. Sci. Med. – study conception and design, writing and editing the text; Doroneva T.A., Researcher – sample measurements, statistical data processing; Krotko-
va Iu.V., Junior Researcher – sample measurements, statistical data processing; Semenova M.P., Senior Researcher – literary material analysis, editing the text; Shitova A.A., Junior Researcher – sample measurements, statistical data processing; Filonova A.A., Senior Researcher – sample measurements, statistical data processing All authors are responsible for approval of the final version of the article and integrity of all parts of the article.
Article received: 20.05.2024. Accepted for publication: 25.06.2024.