Radon release at a rehabilitated uranium mine site and dose assessment (case of the former Beshtaugorskiy mine, North Caucasus)

The uranium mines both developed and abandoned appear to be one of the most significant sources of radon exhalation in the world. Therefore, the study of radon exposure of the population in the areas around rehabilitated uranium mines is very important. This article presents the results of the radon...

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Главные авторы:	Sidyakin, P. A., Сидякин, П. А., Shchitov, D. V., Щитов, Д. В., Murzabekov, M. А., Мурзабеков, М. А., Tsebro, D. N., Цебро, Д. Н.
Формат:	Статья
Язык:	English
Опубликовано:	Springer 2025
Темы:	Dose assessment Uranium mine Radon flux density Radon in air Radon in groundwater Soil and rock radioactivity
Online-ссылка:	https://dspace.ncfu.ru/handle/123456789/30396
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spelling	ir-123456789-303962025-04-03T13:53:10Z Radon release at a rehabilitated uranium mine site and dose assessment (case of the former Beshtaugorskiy mine, North Caucasus) Sidyakin, P. A. Сидякин, П. А. Shchitov, D. V. Щитов, Д. В. Murzabekov, M. А. Мурзабеков, М. А. Tsebro, D. N. Цебро, Д. Н. Dose assessment Uranium mine Radon flux density Radon in air Radon in groundwater Soil and rock radioactivity The uranium mines both developed and abandoned appear to be one of the most significant sources of radon exhalation in the world. Therefore, the study of radon exposure of the population in the areas around rehabilitated uranium mines is very important. This article presents the results of the radon release studies at the rehabilitated Beshtaugorsky uranium mine site, which is now used by local people for hiking and picnicking. A dose assessment is also provided. The following parameters were measured: (i) radon flux density from the soil by the open charcoal chamber method using the beta radiometer “Camera-01”; (ii) concentration of radon and its progeny in the air using the radiometer “Alpha-AERO” based on a semiconductor detector; (iii) radon in groundwater by accumulation of radon in charcoal using the “Camera-01” equipment; (iv) content of natural radionuclides in soils and rocks by NaI(Tl) spectrometry; and (v) gamma dose rate using the Geiger-Muller counter. Measurements were taken at 38 points along the Beshtaugorskaya ring road, as well as at the mouths of abandoned adits. The measurements showed significant radon release at the mouths of the former adits and in some sections of tectonic faults. In our opinion, the abnormal radon release is due to convective thermally induced air convection in permeable zones of the mountain massif; radon transport by groundwater does not affect surface radon emissions. The most important source of radiation risk is the incompletely sealed mine openings, which periodically blow out radon-enriched air. In places around the mouth of these mines, the equivalent equilibrium concentration of radon progeny in the open air reaches 35,000–45,000 Bq/m3, and the gamma dose rate also exceeds 10 µSv/h, which is more than 30 times the permissible level. A person resting for 4 h in such an area may, in the worst case, receive a dose of more than 2 mSv. It is advisable to implement measures to prevent or reduce the time people spend in the area around the former mine openings. 2025-04-03T13:51:50Z 2025-04-03T13:51:50Z 2025 Статья Miklyaev P., Petrova T., Sidyakin P., Shchitov D., Murzabekov M., Tsebro D., Gavriliev S., Mikliaeva E., Klimshin A. Radon release at a rehabilitated uranium mine site and dose assessment (case of the former Beshtaugorskiy mine, North Caucasus) // Environmental Science and Pollution Research. - 2025. - 32 (1). - pp. 102 - 116. - DOI: 10.1007/s11356-024-35639-y https://dspace.ncfu.ru/handle/123456789/30396 en Environmental Science and Pollution Research application/pdf application/pdf Springer
institution	СКФУ
collection	Репозиторий
language	English
topic	Dose assessment Uranium mine Radon flux density Radon in air Radon in groundwater Soil and rock radioactivity
spellingShingle	Dose assessment Uranium mine Radon flux density Radon in air Radon in groundwater Soil and rock radioactivity Sidyakin, P. A. Сидякин, П. А. Shchitov, D. V. Щитов, Д. В. Murzabekov, M. А. Мурзабеков, М. А. Tsebro, D. N. Цебро, Д. Н. Radon release at a rehabilitated uranium mine site and dose assessment (case of the former Beshtaugorskiy mine, North Caucasus)
description	The uranium mines both developed and abandoned appear to be one of the most significant sources of radon exhalation in the world. Therefore, the study of radon exposure of the population in the areas around rehabilitated uranium mines is very important. This article presents the results of the radon release studies at the rehabilitated Beshtaugorsky uranium mine site, which is now used by local people for hiking and picnicking. A dose assessment is also provided. The following parameters were measured: (i) radon flux density from the soil by the open charcoal chamber method using the beta radiometer “Camera-01”; (ii) concentration of radon and its progeny in the air using the radiometer “Alpha-AERO” based on a semiconductor detector; (iii) radon in groundwater by accumulation of radon in charcoal using the “Camera-01” equipment; (iv) content of natural radionuclides in soils and rocks by NaI(Tl) spectrometry; and (v) gamma dose rate using the Geiger-Muller counter. Measurements were taken at 38 points along the Beshtaugorskaya ring road, as well as at the mouths of abandoned adits. The measurements showed significant radon release at the mouths of the former adits and in some sections of tectonic faults. In our opinion, the abnormal radon release is due to convective thermally induced air convection in permeable zones of the mountain massif; radon transport by groundwater does not affect surface radon emissions. The most important source of radiation risk is the incompletely sealed mine openings, which periodically blow out radon-enriched air. In places around the mouth of these mines, the equivalent equilibrium concentration of radon progeny in the open air reaches 35,000–45,000 Bq/m3, and the gamma dose rate also exceeds 10 µSv/h, which is more than 30 times the permissible level. A person resting for 4 h in such an area may, in the worst case, receive a dose of more than 2 mSv. It is advisable to implement measures to prevent or reduce the time people spend in the area around the former mine openings.
format	Статья
author	Sidyakin, P. A. Сидякин, П. А. Shchitov, D. V. Щитов, Д. В. Murzabekov, M. А. Мурзабеков, М. А. Tsebro, D. N. Цебро, Д. Н.
author_facet	Sidyakin, P. A. Сидякин, П. А. Shchitov, D. V. Щитов, Д. В. Murzabekov, M. А. Мурзабеков, М. А. Tsebro, D. N. Цебро, Д. Н.
author_sort	Sidyakin, P. A.
title	Radon release at a rehabilitated uranium mine site and dose assessment (case of the former Beshtaugorskiy mine, North Caucasus)
title_short	Radon release at a rehabilitated uranium mine site and dose assessment (case of the former Beshtaugorskiy mine, North Caucasus)
title_full	Radon release at a rehabilitated uranium mine site and dose assessment (case of the former Beshtaugorskiy mine, North Caucasus)
title_fullStr	Radon release at a rehabilitated uranium mine site and dose assessment (case of the former Beshtaugorskiy mine, North Caucasus)
title_full_unstemmed	Radon release at a rehabilitated uranium mine site and dose assessment (case of the former Beshtaugorskiy mine, North Caucasus)
title_sort	radon release at a rehabilitated uranium mine site and dose assessment (case of the former beshtaugorskiy mine, north caucasus)
publisher	Springer
publishDate	2025
url	https://dspace.ncfu.ru/handle/123456789/30396
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Radon release at a rehabilitated uranium mine site and dose assessment (case of the former Beshtaugorskiy mine, North Caucasus)

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