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<article article-type="research-article" dtd-version="1.3" xmlns:mml="http://www.w3.org/1998/Math/MathML" xmlns:xlink="http://www.w3.org/1999/xlink" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xml:lang="ru"><front><journal-meta><journal-id journal-id-type="publisher-id">radhyd</journal-id><journal-title-group><journal-title xml:lang="ru">Радиационная гигиена</journal-title><trans-title-group xml:lang="en"><trans-title>Radiatsionnaya Gygiena = Radiation Hygiene</trans-title></trans-title-group></journal-title-group><issn pub-type="ppub">1998-426X</issn><issn pub-type="epub">2409-9082</issn><publisher><publisher-name>NIIRG</publisher-name></publisher></journal-meta><article-meta><article-id pub-id-type="doi">10.21514/1998-426X-2021-14-1-102-110</article-id><article-id custom-type="elpub" pub-id-type="custom">radhyd-774</article-id><article-categories><subj-group subj-group-type="heading"><subject>Research Article</subject></subj-group><subj-group subj-group-type="section-heading" xml:lang="ru"><subject>Научные статьи</subject></subj-group><subj-group subj-group-type="section-heading" xml:lang="en"><subject>Scientific articles</subject></subj-group></article-categories><title-group><article-title>Тритий в моче профессиональных работников ПО «Маяк» в период с 2017 по 2019 г.</article-title><trans-title-group xml:lang="en"><trans-title>Tritium in the urine of the Mayak PA workers in the period from 2017 to 2019</trans-title></trans-title-group></title-group><contrib-group><contrib contrib-type="author" corresp="yes"><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Востротин</surname><given-names>В. В.</given-names></name><name name-style="western" xml:lang="en"><surname>Vostrotin</surname><given-names>V. V.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Востротин Вадим Владимирович – кандидат биологических  наук; заведующий лабораторией радиационной безопасности</p><p>456780, Челябинская область, г. Озёрск, Озёрское шоссе, д.19</p></bio><bio xml:lang="en"><p>Vadim V. Vostrotin – PhD, head of the laboratory of the radiation  protection</p><p>Ozerskoe shosse, 19, Ozersk, 456780, Chelyabinsk region</p></bio><email xlink:type="simple">vostrotin@subi.su</email><xref ref-type="aff" rid="aff-1"/></contrib><contrib contrib-type="author" corresp="yes"><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Янов</surname><given-names>А. Ю.</given-names></name><name name-style="western" xml:lang="en"><surname>Yanov</surname><given-names>A. Yu.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Янов Александр Юрьевич – кандидат биологических наук;  научный сотрудник лаборатории радиационной безопасности</p><p>Озёрск</p></bio><bio xml:lang="en"><p>Aleksandr Yu. Yanov – кандидат биологических наук; Scientist,  laboratory of radiation protection</p><p>Ozersk</p></bio><xref ref-type="aff" rid="aff-1"/></contrib><contrib contrib-type="author" corresp="yes"><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Финашов</surname><given-names>Л. В.</given-names></name><name name-style="western" xml:lang="en"><surname>Finashov</surname><given-names>L. V.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Финашов Леонид Викторович – научный сотрудник  лаборатории радиационной безопасности</p><p>Озёрск</p></bio><bio xml:lang="en"><p>Leonid V. Finashov – Junior scientist, laboratory of the radiation  protection</p><p>Ozersk</p></bio><xref ref-type="aff" rid="aff-1"/></contrib></contrib-group><aff-alternatives id="aff-1"><aff xml:lang="ru"><institution>Южно-Уральский институт биофизики Федерального медико-биологического агентства России</institution><country>Россия</country></aff><aff xml:lang="en"><institution>Southern Urals Biophysics Institute of the Federal Medical Biological Agency of Russia</institution><country>Russian Federation</country></aff></aff-alternatives><pub-date pub-type="collection"><year>2021</year></pub-date><pub-date pub-type="epub"><day>15</day><month>04</month><year>2021</year></pub-date><volume>14</volume><issue>1</issue><fpage>102</fpage><lpage>110</lpage><permissions><copyright-statement>Copyright &amp;#x00A9; Востротин В.В., Янов А.Ю., Финашов Л.В., 2021</copyright-statement><copyright-year>2021</copyright-year><copyright-holder xml:lang="ru">Востротин В.В., Янов А.Ю., Финашов Л.В.</copyright-holder><copyright-holder xml:lang="en">Vostrotin V.V., Yanov A.Y., Finashov L.V.</copyright-holder><license xml:lang="ru" license-type="creative-commons-attribution" xlink:href="https://creativecommons.org/licenses/by/4.0/" xlink:type="simple"><license-p>Данная работа распространяется под лицензией Creative Commons Attribution 4.0.</license-p></license><license xml:lang="en" license-type="creative-commons-attribution" xlink:href="https://creativecommons.org/licenses/by/4.0/" xlink:type="simple"><license-p>This work is licensed under a Creative Commons Attribution 4.0 License.</license-p></license></permissions><self-uri xlink:href="https://www.radhyg.ru/jour/article/view/774">https://www.radhyg.ru/jour/article/view/774</self-uri><abstract><p>Цели. Определить уровни объёмной активности соединений трития и долю органических соединений трития в моче у работников химического производства «Производственное объединение «Маяк»» в современных условиях, выявить связь уровней объёмной активности с профессиональной деятельностью (отделением и специальностью). Материалы и методы. В период с 2017 по 2019 г. было собрано 245 анализов мочи 171 работника тритиевого производства Производственного объединения «Маяк». Измерения объёмной активности соединений трития в моче проводилось жидкостно-сцинтилляционным методом с использованием спектрометра Quantulus-1220. В качестве пробоподготовки использовалась дистилляция или сушка пробы с последующим использованием системы пробоподготовки Sample Oxidizer A307. Для статистического анализа при обработке результатов измерений и профессиональных факторов использовалось программное обеспечение «R». Для установления степени корреляционной связи использовалась шкала Чеддока. Уровень значимости был принят равным 5%. Результаты. Значение суммарной объёмной активности трития в моче и объёмной активности трития в водной фазе мочи варьировало в пределах 4 порядков величины (от ~30 Бк/дм3 до ~250 кБк/дм3). Значение объёмной активности органических соединений трития в моче варьировало в пределах 2 порядков величины (от ~6 Бк/дм3 до ~3000 кБк/дм3). Значение доли органических соединений трития в моче профессиональных работников находилось в диапазоне от 0,07% до 74%, при этом статистически значимо не отличалось от логнормального распределения с параметрами: среднее геометрическое =2,7% и среднее геометрическое отклонение =3,7. Выявлена весьма высокая ранговая корреляционная связь между суммарной объёмной активностью соединений трития в моче и объёмной активностью трития в водной фазе мочи. Выявлены заметные ранговые корреляционные связи между суммарной объёмной активностью соединений трития в моче и объёмной активностью органических соединений трития мочи, а также между объёмной активностью трития в водной фазе мочи и объёмной активностью органических соединений трития в моче. У работников 1-го цеха и аналитической лаборатории тритиевого производства Производственного объединения «Маяк» суммарный уровень объёмной активности трития в моче и уровень объёмной активности трития в водной фазе мочи по медиане были статистически значимо выше, чем у работников 2-го цеха. Статистически значимые различия между медианами суммарной объёмной активности трития в моче и объёмной активностью трития в водной фазе мочи в зависимости от специальности наблюдались только у работников 1-го цеха. Выводы. Оценивание объёмной активности трития в водной фазе мочи без пробоподготовки по уровню суммарной объёмной активности трития возможно с надёжностью 95% в пределах границ, составляющих один порядок величины относительно модельного значения. Оценивание объёмной активности органических соединений трития в моче без пробоподготовки по уровню суммарной объёмной активности трития возможно с надёжностью 95% в пределах границ, составляющих два порядка величины относительно модельного значения. Обнаружено влияние профессиональных факторов на уровни объёмной активности соединений трития в моче работников химического производства Производственного объединения «Маяк».</p></abstract><trans-abstract xml:lang="en"><p>Objectives. To define the levels of volume activity of tritium compounds and fraction of organically bound tritium in urine of chemical production workers of “Mayak Production Association” in present-day conditions; to identify the relationship between volume activity levels and professional occupation (department and profession). Material and methods. 245 urine samples from 171 workers of Mayak Production Association tritium production facility were collected in the period from 2017 to 2019. Volume activity of tritium compounds was measured by liquid scintillation method using spectrometer Quantulus-1220. The samples were distilled or dried and then combusted using an automatic preparation and oxidization system Sample Oxidizer A307. The “R” software was used for statistical analysis and for processing the measurement results and occupational factors. Chaddok’s scale was applied to determine the degree of correlation. The significance level was taken equal to 5%. Results. The value of total tritium volume activity in the urine and tritium volume activity in the water phase varied within 4 orders of magnitude (from ~30 Bq/dm3 to ~250 kBq/dm3). The value of volume activity of organically bound tritium in the urine varied within 2 orders of magnitude (from ~6 Bq/dm3 to ~3000 kBq/dm3). The fraction of organically bound tritium in the urine of the workers was within the range from 0,07% to 74%, and did not differ statistically significantly from lognormal distribution with parameters GM=2,7% and GSD=3,7. Very high rank correlation was detected between total volume activity of tritium compounds and tritium volume activity in the water phase in the urine. Noticeable rank correlations were detected between the total volume activity of tritium compounds in the urine and volume activity of organically bound tritium, as well as between tritium volume activity in the water phase and volume activity of organically bound tritium in the urine. The total tritium volume activity and tritium volume activity in the water phase in the urine of the workers of the 1st department and of the analytical laboratory of Mayak Production Association tritium production facility were statistically significantly higher than in the workers of the 2nd department according to median values. Statistically significant differences between medians of the total tritium volume activity in the urine and tritium volume activity in the water phase related to profession were observed only in the workers in the 1st department. Conclusion. Estimation of tritium volume activity in the water phase by the level of total tritium volume activity in the urine without sample preparation is possible with 95% reliability within limits of one order of magnitude towards the model value. Estimation of volume activity of organically bound tritium in the urine without sample preparation by the level of total tritium volume activity in the urine without sample preparation is possible with 95% reliability within limits of two orders of magnitude towards the model value. The effect of occupational factors to the levels of volume activity of tritium compounds in the urine of Mayak Production Association professional workers was detected.</p></trans-abstract><kwd-group xml:lang="ru"><kwd>тритий</kwd><kwd>проба мочи</kwd><kwd>объемная активность</kwd><kwd>органически связанный тритий</kwd><kwd>профессиональные факторы</kwd><kwd>Производственное объединение «Маяк»</kwd></kwd-group><kwd-group xml:lang="en"><kwd>tritium</kwd><kwd>urine sample</kwd><kwd>volume activity</kwd><kwd>organically bound tritium</kwd><kwd>occupational factors</kwd><kwd>Mayak Production Facility</kwd></kwd-group><funding-group><funding-statement xml:lang="ru">Работа выполнена в рамках Государственного Контракта № 2020388100032000000000000/11.311.20.10 от 19 мая 2020 г. «Оценка радиационного риска и разработка мероприятий медико-дозиметрического обеспечения при работе с соединениями трития», шифр «Элемент-20», финансируемого ФМБА России.</funding-statement></funding-group></article-meta></front><back><ref-list><title>References</title><ref id="cit1"><label>1</label><citation-alternatives><mixed-citation xml:lang="ru">Butler H.L., Leroy J.H. 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