vdgtuВестник Дагестанского государственного технического университета. Технические наукиHerald of Dagestan State Technical University. Technical Sciences2073-61852542-095XDaghestan State Technical University10.21822/2073-6185-2022-49-1-104-111vdgtu-1044Research ArticleСТРОИТЕЛЬСТВО И АРХИТЕКТУРАBUILDING AND ARCHITECTUREЭкологический мониторинг металлических примесей в мелкодисперсной пыли (РМ2.5) населенных пунктовEnvironmental monitoring of metallic impurities in fine dust (PM2.5) of settlementshttps://orcid.org/0000-0003-1388-1233ГлиняноваИ. Ю.GlinyanovaI. Yu.

Глинянова Ирина Юрьевна, кандидат педагогических наук, доцент кафедры безопасности жизнедеятельности в строительстве и городском хозяйстве

400005, г. Волгоград, пр. им. Ленина, 28

Irina Yu. Glinyanova, Cand. Sci. (Pedagogical), Assoc. Prof., Department of Life Safety in Construction and Urban Economy

28 Lenin Ave., Volgograd 400005

ecoris@yandex.ruВолгоградский государственный технический университетРоссияVolgograd State Technical UniversityRussian Federation202220052022491104111Copyright © Глинянова И.Ю., 20222022Глинянова И.Ю.Glinyanova I.Y.Данная работа распространяется под лицензией Creative Commons Attribution 4.0.This work is licensed under a Creative Commons Attribution 4.0 License.https://vestnik.dgtu.ru/jour/article/view/1044Цель

Цель. Целью исследования является выявление металлических примесей в мелкодисперсной пыли (PM2.5) в жилой зоне Средняя Ахтуба (Средне-ахтубинский район, Волгоградская область), подвергнутой действию антропогенного фактора (керамзитовые производства) в сравнительной характеристике с условно-чистой зоной (садовое некоммерческое товарищество (СНТ)) по показателям количества частиц (Nч, %) и их массовой доли (D(dч), %).

Метод

Метод. Отбор частиц (РМ2.5) с листьев абрикосовых деревьев и приготовление аэрозольных суспензий осуществлялись согласно международных методик. Выявление показателей количества и массовой доли частиц производилось на основании оптического метода по ГОСТу Р 56929-2016.

Результат

Результат. Полученные значения по исследуемым показателям проверялись по Ткритерию Вилкоксона и находили на уровне значимости р<0.05. В жилой зоне Средней Ахтубы установлено в 35 раз превышения по массовой доле (D(dч), % частиц (РМ2.5) по сравнению с условно-чистой зоной и незначительное превышение по количеству частиц (в 2 раза)

Вывод

Вывод. На основании полученных результатов прогнозируются металлические примеси в мелкодисперсной пыли (РМ2.5) в жилой зоне Средней Ахтубы и экологические риски для проживающего там населения. Требуется совершенствование системы защиты городского хозяйства на предприятиях по производству керамзита и др., расположенных в промышленной зоне Средней Ахтубы.

Objective

Objective. The aim of the study is to identify metallic impurities in fine dust (PM2.5) in the residential area of Srednyaya Akhtuba (Sredneakhtubinsky rayon, Volgogradskaya oblast) exposed to the anthropogenic factor (expanded clay production) in a comparative characteristic with a relatively clean zone (garden non-profit partnership (SNT)) by indicators the number of particles (NPM2.5, %) and their mass fraction (D (dPM2.5), %).

Method

Method. The selection of particles (PM2.5) from the leaves of apricot trees and the preparation of aerosol suspensions was carried out according to international methods. The identification of the number and mass fraction of particles was carried out on the basis of the optical method according to GOST R 56929-2016.

Result

Result. The obtained values for the studied parameters were checked by the Wilcoxon T-test and were found at a significance level of p <0.05. In the residential area of Srednyaya Akhtuba, 35 times the mass fraction (D (dPM2.5), % of particles (PM2.5) exceeded the conditionally clean zone) and a slight increase in the number of particles (2 times) were found.

Conclusion

Conclusion. Based on the results obtained metal impurities in fine dust (PM2.5) in the residential area of Srednyaya Akhtuba and environmental risks for the population living there are predicted. It is necessary to improve the system of protection of the urban economy at the enterprises for the production of expanded clay, etc., located in the industrial zone of Srednyaya Akhtuba.

 

 

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