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<article 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" xmlns:ali="http://www.niso.org/schemas/ali/1.0/" article-type="research-article" dtd-version="1.2" xml:lang="en"><front><journal-meta><journal-id journal-id-type="publisher-id">Ekologiya cheloveka (Human Ecology)</journal-id><journal-title-group><journal-title xml:lang="en">Ekologiya cheloveka (Human Ecology)</journal-title><trans-title-group xml:lang="ru"><trans-title>Экология человека</trans-title></trans-title-group></journal-title-group><issn publication-format="print">1728-0869</issn><issn publication-format="electronic">2949-1444</issn><publisher><publisher-name xml:lang="en">Eco-Vector</publisher-name></publisher></journal-meta><article-meta><article-id pub-id-type="publisher-id">83797</article-id><article-id pub-id-type="doi">10.17816/humeco83797</article-id><article-categories><subj-group subj-group-type="toc-heading" xml:lang="en"><subject>Articles</subject></subj-group><subj-group subj-group-type="toc-heading" xml:lang="ru"><subject>Статьи</subject></subj-group><subj-group subj-group-type="article-type"><subject>Research Article</subject></subj-group></article-categories><title-group><article-title xml:lang="en">Health risk assessment of the population of the Republic of Buryatia associated with increased nitrate and nitrite intake</article-title><trans-title-group xml:lang="ru"><trans-title>Оценка риска для здоровья населения Республики Бурятия, обусловленного повышенным поступлением нитратов и нитритов</trans-title></trans-title-group></title-group><contrib-group><contrib contrib-type="author"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0002-2358-2280</contrib-id><contrib-id contrib-id-type="scopus">57201813026</contrib-id><contrib-id contrib-id-type="researcherid">ABA-1029-2020</contrib-id><contrib-id contrib-id-type="spin">3979-5433</contrib-id><name-alternatives><name xml:lang="en"><surname>Bogdanova</surname><given-names>Olga G.</given-names></name><name xml:lang="ru"><surname>Богданова</surname><given-names>Ольга Георгиевна</given-names></name></name-alternatives><address><country country="RU">Russian Federation</country></address><bio xml:lang="en"><p>MD, PhD (Med.)</p></bio><bio xml:lang="ru"><p>кандидат медицинских наук</p></bio><email>olga.bogdanova2001@gmail.com</email><xref ref-type="aff" rid="aff1"/></contrib><contrib contrib-type="author"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0001-7218-2147</contrib-id><contrib-id contrib-id-type="scopus">7005798073</contrib-id><contrib-id contrib-id-type="researcherid">P-2135-2015</contrib-id><contrib-id contrib-id-type="spin">4537-9381</contrib-id><name-alternatives><name xml:lang="en"><surname>Efimova</surname><given-names>Natalia V.</given-names></name><name xml:lang="ru"><surname>Ефимова</surname><given-names>Наталья Васильевна</given-names></name></name-alternatives><address><country country="RU">Russian Federation</country></address><bio xml:lang="en"><p>MD, Dr. Sci. (Med.), Professor</p></bio><bio xml:lang="ru"><p>доктор медицинских наук, профессор</p></bio><email>medecolab@inbox.ru</email><xref ref-type="aff" rid="aff1"/></contrib><contrib contrib-type="author"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0002-1867-8130</contrib-id><name-alternatives><name xml:lang="en"><surname>Bagaeva</surname><given-names>Elena E.</given-names></name><name xml:lang="ru"><surname>Багаева</surname><given-names>Елена Евгеньевна</given-names></name></name-alternatives><address><country country="RU">Russian Federation</country></address><email>bagaeva75@inbox.ru</email><xref ref-type="aff" rid="aff2"/></contrib></contrib-group><aff-alternatives id="aff1"><aff><institution xml:lang="en">East-Siberian Institute of Medical and Ecological Research</institution></aff><aff><institution xml:lang="ru">Восточно-Сибирский институт медико-экологических исследований</institution></aff></aff-alternatives><aff-alternatives id="aff2"><aff><institution xml:lang="en">Rospotrebnadzor for the Republic of Buryatia</institution></aff><aff><institution xml:lang="ru">Управление Роспотребнадзора по Республике Бурятия</institution></aff></aff-alternatives><pub-date date-type="preprint" iso-8601-date="2022-04-08" publication-format="electronic"><day>08</day><month>04</month><year>2022</year></pub-date><pub-date date-type="pub" iso-8601-date="2022-01-15" publication-format="electronic"><day>15</day><month>01</month><year>2022</year></pub-date><volume>29</volume><issue>1</issue><issue-title xml:lang="en"/><issue-title xml:lang="ru"/><fpage>47</fpage><lpage>59</lpage><history><date date-type="received" iso-8601-date="2021-10-26"><day>26</day><month>10</month><year>2021</year></date><date date-type="accepted" iso-8601-date="2022-01-14"><day>14</day><month>01</month><year>2022</year></date></history><permissions><copyright-statement xml:lang="en">Copyright ©; 2022, Bogdanova O.G., Efimova N.V., Bagaeva E.E.</copyright-statement><copyright-statement xml:lang="ru">Copyright ©; 2022, Богданова О.Г., Ефимова Н.В., Багаева Е.Е.</copyright-statement><copyright-year>2022</copyright-year><copyright-holder xml:lang="en">Bogdanova O.G., Efimova N.V., Bagaeva E.E.</copyright-holder><copyright-holder xml:lang="ru">Богданова О.Г., Ефимова Н.В., Багаева Е.Е.</copyright-holder><ali:free_to_read xmlns:ali="http://www.niso.org/schemas/ali/1.0/"/><license><ali:license_ref xmlns:ali="http://www.niso.org/schemas/ali/1.0/">https://creativecommons.org/licenses/by-nc-nd/4.0</ali:license_ref></license></permissions><self-uri xlink:href="https://hum-ecol.ru/1728-0869/article/view/83797">https://hum-ecol.ru/1728-0869/article/view/83797</self-uri><abstract xml:lang="en"><p><bold><italic>AIM</italic></bold>: To conduct a hygienic assessment of the health risk levels associated with drinking water with high nitrate and nitrite contents in the rural territories of the Republic of Buryatia.</p> <p><bold><italic>MATERIAL AND METHODS</italic></bold>: The content of nitrates and nitrites in drinking water in comparison with the maximum permissible concentrations (MPC) was assessed in the period of 2010–2019. With the use of the risk assessment methodology, non-carcinogenic risk (HQ) for adult and child populations of priority territories is calculated.</p> <p><bold><italic>RESULTS</italic></bold>: In the territory of the Republic of Buryatia, two priority territories were identified according to the largest content of nitrates in the drinking water of a centralized cold water supply system: Mukhorshibirsky and Tarbagatai districts. The maximum nitrate concentrations reached 4.52 and 4.11 MPC, respectively, which are 1.71 and 1.45 times higher than in the previous five-year period, respectively. A similar situation was observed in the non-centralized water supply system in these areas, with 4.98 MPC in the Mukhorshibirsky district (1.88 times higher) and 3.41 MPC in Tarbagatai (2.53 times higher).</p> <p><bold><italic>CONCLUSIONS</italic></bold>: The unacceptable level of non-carcinogenic risk due to nitrate contamination of drinking water at the level of the average centile trend (Me) is established for the adult and child population provided with centralized water supply in the Tarbagatai region. The HQ exceeds the acceptable level for children consuming decentralized drinking water in the Mukhorshibirsky district. The risk levels for children and adults due to oral intake of nitrites with drinking water of centralized and non-centralized water supply were not dangerous (HQ &lt;1).</p></abstract><trans-abstract xml:lang="ru"><p><bold>Цель</bold>. Провести гигиеническую оценку уровней риска здоровью населения, связанных с употреблением питьевой воды с повышенным содержанием нитратов и нитритов в сельских территориях Республики Бурятия.</p> <p><bold>Материал и методы</bold>. Проведена оценка содержания нитратов и нитритов в питьевой воде за период, охватывающий 2010–2019 годы, по данным социально-гигиенического мониторинга в сравнении с предельно допустимой концентрацией (ПДК). На основе методологии оценки риска рассчитан неканцерогенный риск (HQ) для взрослого и детского населения приоритетных территорий.</p> <p><bold>Результаты</bold>. На территории Республики Бурятия по наибольшему содержанию нитратов в питьевой воде централизованной системы холодного водоснабжения (ЦСХВ) определены две приоритетные территории: Мухоршибирский и Тарбагатайский районы. На указанных территориях в 2015–2019 годах максимальные концентрации нитратов достигали 4,52 ПДК в Мухоршибирском и 4,11 ПДК в Тарбагатайском районе, что, соответственно, в 1,71 и 1,45 раза выше, чем в предыдущем пятилетнем периоде. По нецентрализованной системе водоснабжения в указанных районах наблюдалась аналогичная ситуация, в том числе в Мухоршибирском районе, где максимальные концентрации нитратов достигали 4,98 ПДК, а в Тарбагатайском — 3,41 ПДК, что превышало показатели в предыдущем пятилетнем периоде в 1,88 и 2,53 раза, соответственно.</p> <p><bold>Выводы</bold>. Недопустимый уровень неканцерогенного риска, обусловленного нитратным загрязнением питьевой воды на уровне медианы, установлен для взрослого и детского населения, обеспеченных централизованным водоснабжением на территории Тарбагатайского района. Для детского населения Мухоршибирского района, потребляющего питьевую воду из нецентрализованного водоснабжения HQ &gt;1. Уровни риска для детского и взрослого населения, обусловленные пероральным поступлением нитритов с питьевой водой централизованного и нецентрализованного водоснабжения, не представляли опасности (HQ &lt;1).</p></trans-abstract><kwd-group xml:lang="en"><kwd>nitrate pollution</kwd><kwd>water factor</kwd><kwd>health risk assessment</kwd><kwd>Republic of Buryatia</kwd></kwd-group><kwd-group xml:lang="ru"><kwd>нитратное загрязнение</kwd><kwd>водный фактор</kwd><kwd>оценка риска здоровью</kwd><kwd>Республика Бурятия</kwd></kwd-group><funding-group/></article-meta></front><body></body><back><ref-list><ref id="B1"><label>1.</label><citation-alternatives><mixed-citation xml:lang="en">Bashketova NS, Vyucheiskaya DS, Sladkova YN, et al. Regulirovanie kachestva pit'evoi vody. Sravnenie natsional'nykh i mezhdunarodnykh standartov. Zdorov'e – osnova chelovecheskogo potentsiala: problemy i puti ikh resheniya. 2018;13(3):1136-1148. 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