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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">sredob</journal-id><journal-title-group><journal-title xml:lang="ru">Здоровье населения и среда обитания – ЗНиСО</journal-title><trans-title-group xml:lang="en"><trans-title>Public Health and Life Environment – PH&amp;LE</trans-title></trans-title-group></journal-title-group><issn pub-type="ppub">2219-5238</issn><issn pub-type="epub">2619-0788</issn><publisher><publisher-name>ФБУЗ ФЦГиЭ Роспотребнадзора</publisher-name></publisher></journal-meta><article-meta><article-id pub-id-type="doi">10.35627/2219-5238/2020-330-9-61-66</article-id><article-id custom-type="elpub" pub-id-type="custom">sredob-260</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>Статьи</subject></subj-group></article-categories><title-group><article-title>Подходы к нормированию органического углерода и необходимость его обязательного контроля в питьевой воде</article-title><trans-title-group xml:lang="en"><trans-title>Approaches to regulating organic carbon and the necessity of its obligatory monitoring in drinking water</trans-title></trans-title-group></title-group><contrib-group><contrib contrib-type="author" corresp="yes"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0002-4632-6060</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Хлыстов</surname><given-names>Иван Андреевич</given-names></name><name name-style="western" xml:lang="en"><surname>Khlystov</surname><given-names>Ivan A.</given-names></name></name-alternatives><email xlink:type="simple">hlistovia@ymrc.ru</email><xref ref-type="aff" rid="aff-1"/></contrib><contrib contrib-type="author" corresp="yes"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0003-1645-9054</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Щукина</surname><given-names>Д. А.</given-names></name><name name-style="western" xml:lang="en"><surname>Shchukina</surname><given-names>D. A.</given-names></name></name-alternatives><email xlink:type="simple">noemail@neicon.ru</email><xref ref-type="aff" rid="aff-2"/></contrib><contrib contrib-type="author" corresp="yes"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0002-0723-8674</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Кузьмина</surname><given-names>Е. А.</given-names></name><name name-style="western" xml:lang="en"><surname>Kuzmina</surname><given-names>E. A.</given-names></name></name-alternatives><email xlink:type="simple">noemail@neicon.ru</email><xref ref-type="aff" rid="aff-3"/></contrib><contrib contrib-type="author" corresp="yes"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0002-3031-2625</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Плотко</surname><given-names>Э. Г.</given-names></name><name name-style="western" xml:lang="en"><surname>Plotko</surname><given-names>E. G.</given-names></name></name-alternatives><email xlink:type="simple">noemail@neicon.ru</email><xref ref-type="aff" rid="aff-1"/></contrib><contrib contrib-type="author" corresp="yes"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0001-7203-3547</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Брусницына</surname><given-names>Л. А.</given-names></name><name name-style="western" xml:lang="en"><surname>Brusnicyna</surname><given-names>L. A.</given-names></name></name-alternatives><email xlink:type="simple">noemail@neicon.ru</email><xref ref-type="aff" rid="aff-4"/></contrib></contrib-group><aff-alternatives id="aff-1"><aff xml:lang="ru"><institution>ФБУН «Екатеринбургский медицинский - научный центр профилактики и охраны здоровья рабочих промышленных предприятий»</institution><country>Россия</country></aff><aff xml:lang="en"><institution>Yekaterinburg Medical Research Center for Prophylaxis and Health Protection in Industrial Workers</institution><country>Russian Federation</country></aff></aff-alternatives><aff-alternatives id="aff-2"><aff xml:lang="ru"><institution>ФБУН «Екатеринбургский медицинский - научный центр профилактики и охраны здоровья рабочих промышленных предприятий»; УрФУ</institution><country>Россия</country></aff><aff xml:lang="en"><institution>Yekaterinburg Medical Research Center for Prophylaxis and Health Protection in Industrial Workers; Ural Federal University</institution><country>Russian Federation</country></aff></aff-alternatives><aff-alternatives id="aff-3"><aff xml:lang="ru"><institution>ФБУЗ «Федеральный центр гигиены и эпидемиологии» Роспотребнадзора</institution><country>Россия</country></aff><aff xml:lang="en"><institution>Federal Center for Hygiene and Epidemiology</institution><country>Russian Federation</country></aff></aff-alternatives><aff-alternatives id="aff-4"><aff xml:lang="ru"><institution>МУП «Водоканал»</institution><country>Россия</country></aff><aff xml:lang="en"><institution>Yekaterinburg Vodokanal</institution><country>Russian Federation</country></aff></aff-alternatives><pub-date pub-type="collection"><year>2020</year></pub-date><pub-date pub-type="epub"><day>14</day><month>04</month><year>2021</year></pub-date><volume>0</volume><issue>9</issue><fpage>61</fpage><lpage>66</lpage><permissions><copyright-statement>Copyright &amp;#x00A9; Хлыстов И.А., Щукина Д.А., Кузьмина Е.А., Плотко Э.Г., Брусницына Л.А., 2021</copyright-statement><copyright-year>2021</copyright-year><copyright-holder xml:lang="ru">Хлыстов И.А., Щукина Д.А., Кузьмина Е.А., Плотко Э.Г., Брусницына Л.А.</copyright-holder><copyright-holder xml:lang="en">Khlystov I.A., Shchukina D.A., Kuzmina E.A., Plotko E.G., Brusnicyna L.A.</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://zniso.fcgie.ru/jour/article/view/260">https://zniso.fcgie.ru/jour/article/view/260</self-uri><abstract><p>Введение. На сегодняшний день накопление органогенных элементов в поверхностных водоемах в основном обусловлено интенсификацией техногенной деятельности человека. Содержащиеся в воде органические вещества могут нести определенную опасность здоровью человека при использовании водоемов для питьевых и рекреационных целей. Существующие технологии водоподготовки не обеспечивают полную очистку воды, и часть органических веществ (их низкомолекулярная фракция) остается в воде. В процессе хлорирования возникает опасность образования галогенированных побочных продуктов, обладающих, в том числе, канцерогенным эффектом на организм. Цель исследования. Обоснование нормативного значения показателя «Общий органический углерод» (ООУ) в воде, подвергающейся обеззараживанию с помощью хлора. Материалы и методы. Проведен анализ результатов лабораторных исследований воды источников хозяйственно-питьевого водоснабжения г. Екатеринбурга, и на этапах водоподготовки за периоды 2013-2014, 2017 гг. выполнена оценка риска для здоровья человека, построены прогностические модели образования побочных продуктов. Результаты. В воде после хлорирования, по сравнению с исходными показателями, обнаружено снижение концентраций ООУ в 1,5 раз, увеличение концентраций хлороформа в 24,5-80,2 раза, увеличение суммарного содержания тригалометанов в 22,9-54,5 раза. Наиболее значимые неканцерогенные риски выявлены от воздействия хлороформа в группе детей 0-6 лет (HQ составил 1,150). Индивидуальные канцерогенные риски при воздействии бромоформа и дибромхлорметана в воде перед подачей в разводящую сеть относятся к первому диапазону значений (менее 1x10-6), риски от бромдихлорметана и хлороформа - ко второму диапазону (от 1x10-6 до 1x10-4). Разработана математическая модель зависимости содержания побочных продуктов от предикторов. Заключение. Полученная модель позволяет прогнозировать образование хлорорганических соединений на стадии проектирования технологии водоподготовки. Общий органический углерод - важный показатель, который должен контролироваться на этапах водоподготовки с целью обеспечения безопасности питьевой воды и эффективности ее очистки.</p></abstract><trans-abstract xml:lang="en"><p>Background: Current accumulation of organogenic elements in surface waters is mainly attributed to intensive anthropogenic activities. Waterborne organic matter may endanger human health when using surface waters for drinking and recreational purposes. Applied techniques of water treatment fail to ensure complete water purification and part of organic substances (their low molecular weight fraction) still remains. Chlorination of drinking water can generate a variety of halogenated by-products having adverse health effects in humans including carcinogenic ones. Our objective was to substantiate the reference value for total organic carbon (TOC) in water disinfected by chlorine. Materials and methods: We analyzed the results of laboratory testing of surface and treated water samples taken in Yekaterinburg in 2013-2014 and 2017, carried out health risk assessment, and built predicative models of by-products formation. Results: We established that, following chlorination, TOC concentrations became 1.5 times lower while chloroform and total trihalomethane concentrations became 24.5-80.2 and 22.9-54.5 times higher than initial values, respectively. The most significant non-carcinogenic risks were estimated for children aged 0-6 years from exposures to chloroform (HQ = 1.150). Individual carcinogenic risks from exposures to bromoform and dibromochloromethane as measured in water before its supplying to the distribution system, referred to the first value range (less than 1x10-6) while risks from bromodichloromethane and chloroform exposures fell in the second range (from 1x10-6 to 1x10-4). The mathematical model of the correlation between predictors (temperature, reaction time, pH, and certain chemical compounds) and levels of by-products was built. Conclusions: Our model makes it possible to predict generation of organochlorine compounds at the design stage of water treatment technique. Total organic carbon is an important indicator that should be monitored at the stages of water treatment to ensure safety of drinking water and efficiency of its disinfection.</p></trans-abstract><kwd-group xml:lang="ru"><kwd>общий органический углерод</kwd><kwd>нормирование</kwd><kwd>питьевая вода</kwd><kwd>тригалометаны</kwd></kwd-group><kwd-group xml:lang="en"><kwd>total organic carbon</kwd><kwd>regulation</kwd><kwd>drinking water</kwd><kwd>trihalomethanes</kwd></kwd-group></article-meta></front><back><ref-list><title>References</title><ref id="cit1"><label>1</label><citation-alternatives><mixed-citation xml:lang="ru">Рижинашвили А.Л. Показатели содержания органических веществ и компоненты карбонатной системы в природных водах в условиях интенсивного антропогенного воздействия // Вестник Санкт-Петербургского университета. 2008. Сер. 4. Вып. 4. С. 90-101.</mixed-citation><mixed-citation xml:lang="en">Рижинашвили А.Л. 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