radhydРадиационная гигиенаRadiatsionnaya Gygiena = Radiation Hygiene1998-426X2409-9082NIIRG10.21514/1998-426X-2024-17-1-86-96radhyd-1020Research ArticleРадиационные измеренияRadiation measuRementsОпыт применения портативного гамма-спектрометра МКС АТ6101Д для измерения in situ плотности загрязнения почвы цезием-137 в Брянской области РоссииExperience of using the portable gamma spectrometer MKS AT6101D for in situ measurements of the density of 137Cs soil contamination in the Bryansk region of RussiaРамзаевВ. П.RamzaevV. P.

Рамзаев Валерий Павлович – кандидат медицинских наук, ведущий научный сотрудник лаборатории внешнего облучения

 197101, Санкт-Петербург, ул. Мира, д. 8 

Valery P. Ramzaev – Candidate of Medical Sciences, Leading Researcher of the Laboratory of External Exposure

Mira Str., 8, Saint-Petersburg, 197101

V.Ramzaev@mail.ruБарковскийА. Н.BarkovskyA. N.

Барковский Анатолий Николаевич – руководитель Федерального радиологического центра, главный научный сотрудник

Санкт-Петербург

Anatoly N. Barkovsky – Head of the Federal Radiological Centre

Saint-Petersburg

Санкт-Петербургский научно-исследовательский институт радиационной гигиены имени профессора П.В. Рамзаева, Федеральная служба по надзору в сфере защиты прав потребителей и благополучия человекаРоссияSaint-Petersburg Research Institute of Radiation Hygiene after Professor P.V. Ramzaev, Federal Service for Surveillance on Consumer Rights Protection and Human WellbeingRussian Federation2024210420241718696Copyright © Рамзаев В.П., Барковский А.Н., 20242024Рамзаев В.П., Барковский А.Н.Ramzaev V.P., Barkovsky A.N.Данная работа распространяется под лицензией Creative Commons Attribution 4.0.This work is licensed under a Creative Commons Attribution 4.0 License.https://www.radhyg.ru/jour/article/view/1020

Нами была проверена применимость серийно выпускаемого полевого переносного спектрометра-дозиметра МКС АТ6101Д (производитель АТОМТЕX, Беларусь) для измерения in situ плотности загрязнения почвы 137Cs. Исследования проводили в 2015–2020 гг. на территории Брянской области России, загрязненной в результате аварии на Чернобыльской АЭС. Измерения in situ были выполнены на 17 участках (7 лугов и 10 огородов), для которых значения плотности загрязнения 137Cs и средняя глубина миграции радионуклида в почве были известны из лабораторных (ex situ) измерений проб почвы. Выяснилось, что натурные данные, полученные по методике, предоставленной производителем прибора, в ряде случаев требуют дополнительной поправки на вертикальное распределение 137Csв почве. Метод коррекции был разработан и в 2020–2021 гг. успешно апробирован на 114 приусадебных огородных участках, расположенных в населенных пунктах зоны радиоактивного загрязнения Брянской области.

We have tested applicability of the commercially available portable spectrometer-dosimeter MKS AT6101D (the manufacturer: ATOMTEX, Belarus) to measure the density of 137Cs soil contamination (inventory of 137Cs in soil) in situ. The study was performed in 2015–2020 at the territories of the Bryansk region of Russia contaminated due to the Chernobyl accident. The in situ measurements were performed in the 17 ground plots (7 grasslands and 10 kitchengargens) for which the 137Cs inventory and the mean migration depth of the radionuclide in soil was available from laboratory (ex situ) measurements of soil samples. It was found that the in situ data obtained with the method that was provided by the manufacturer of the instrument required additional correction on the vertical distribution of 137Cs in the soil. The correction procedure was developed; in 2020–2021, it has been successfully tested in 114 kitchengarden plots located at the settlements in the zones of radioactive contamination in the Bryansk region.

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The authors declare that there are no conflicts of interest present.