Characterization and Source Identification of Heavy Metals in
Atmospheric Deposited Dust of Tehran in 2018

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ALI TALESHI MOHAMMAD SALEH; Moeinadini Mazaher; FEIZNIA SADAT; SHAHBAZI REZA; Squizzato Stefania

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Journal: Journal of Research in Environmental Health Year:2020 | Volume:6 | Issue:1 Page(s): 56-69

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Title

Characterization and Source Identification of Heavy Metals in Atmospheric Deposited Dust of Tehran in 2018

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Keywords

Source identificationQ1

Enrichment factorQ1

Heavy metalsQ1

Atmospheric deposited dustQ1

TehranQ2

Abstract

Background and Aim: Atmospheric dust particles play a significant role in the transfer of chemical elements released from industrial and urban sources. So that the pollutants attached to these particles, can be transported over long distances and are as a function of meteorological conditions, the physical and chemical properties and nature of surface. The aim of this study was to evaluate the metal richness and degree of heavy metal contamination in Atmospheric deposited dust in Tehran. Materials and Methods: Atmospheric dust samples were collected from eight locations in Tehran in 2018. Heavy metals (Pb, Zn, Cu, Ni, Cr, Mn and Al) were analyzed in dust using ICP-MS. Metal richness and degree of contamination were determined using Enrichment factor (EF), Geoaccumulation Index (Igeo), degree of Contamination (Cd) and modified degree of contamination (mCd). Paired t-test, Pearson correlation and Hierarchical cluster analysis (HCA) were also used for analysis. Results: The mean concentration trend of elements in the warm and cold seasons was similar and the highest concentration was as Al, Zn, Mn, Pb, Cu, and Cr, Ni, respectively. Results of Enrichment factor index in Atmospheric deposited dust showed that Pb and Zn in warm season and Pb and Cu in cold season were highly enriched. Paired t-test results showed a significant difference between Cu and Cr between seasons. Cluster analysis also showed Al of natural origin and other elements of anthropogenic origin. Conclusion: The results of this study showed that Atmospheric deposited dust particles of Tehran contain high levels of pollutants especially in cold season. Therefore, it is necessary to formulate more effective and implementable policies to improve Tehran’ s air quality.

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APA: Copy

ALI TALESHI, MOHAMMAD SALEH, Moeinadini, Mazaher, FEIZNIA, SADAT, SHAHBAZI, REZA, & Squizzato, Stefania. (2020). Characterization and Source Identification of Heavy Metals in Atmospheric Deposited Dust of Tehran in 2018. JOURNAL OF RESEARCH IN ENVIRONMENTAL HEALTH, 6(1 ), 56-69. SID. https://sid.ir/paper/364980/en

Vancouver: Copy

ALI TALESHI MOHAMMAD SALEH, Moeinadini Mazaher, FEIZNIA SADAT, SHAHBAZI REZA, Squizzato Stefania. Characterization and Source Identification of Heavy Metals in Atmospheric Deposited Dust of Tehran in 2018. JOURNAL OF RESEARCH IN ENVIRONMENTAL HEALTH[Internet]. 2020;6(1 ):56-69. Available from: https://sid.ir/paper/364980/en

IEEE: Copy

MOHAMMAD SALEH ALI TALESHI, Mazaher Moeinadini, SADAT FEIZNIA, REZA SHAHBAZI, and Stefania Squizzato, “Characterization and Source Identification of Heavy Metals in Atmospheric Deposited Dust of Tehran in 2018,” JOURNAL OF RESEARCH IN ENVIRONMENTAL HEALTH, vol. 6, no. 1 , pp. 56–69, 2020, [Online]. Available: https://sid.ir/paper/364980/en

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