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Concentration and Ecological Risk of Heavy Metal in Street Dusts of Eslamshahr, Iran Publisher



Kamani H1 ; Mirzaei N2 ; Ghaderpoori M3 ; Bazrafshan E4 ; Rezaei S5 ; Mahvi AH6, 7
Authors
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Authors Affiliations
  1. 1. Health Promotion Research Center, Zahedan University of Medical Sciences, Zahedan, Iran
  2. 2. Department of Environmental Health Engineering, Faculty of Health, Kashan University of Medical Sciences, Kashan, Iran
  3. 3. Department of Environmental Health, Faculty of Health and Nutrition, Lorestan University of Medical Sciences, Khorramabad, Iran
  4. 4. Health Sciences Research Center, Torbat Heydariyeh University of Medical Sciences, Torbat Heydariyeh, Khorasan Razavi, Iran
  5. 5. Social Determinants of Health Research Center, Yasuj University of Medical Sciences, Yasuj, Iran
  6. 6. Centre for Solid Waste Research, Institute for Environmental Research, Tehran University of Medical Sciences, Tehran, Iran
  7. 7. Department of Environmental Health Engineering, Schools of Public Health, Tehran University of Medical Sciences, Tehran, Iran

Source: Human and Ecological Risk Assessment Published:2018


Abstract

This study was done to evaluate heavy metal concentrations in street dust samples, to compare measured concentrations in samples to background concentrations in order to make evaluations for pollution indices, and to describe the quality of street dust in the studied area in relation to pollution. A total of 30 cumulative samples were collected from the streets of Eslamshahr City. Concentrations of heavy metals were determined using an Inductively Coupled Plasma-Optical Emission Spectrometry (ICP-OES). Results determined mean concentrations (mg/kg) of the heavy metals Cd, Cr, Cu, Ni, Pb, and Zn, in collected samples of street dust as 0.34, 35.1, 239, 42.4, 71.3, and 573, respectively. Igeo values for Cd and Cr, Cu, Ni, Pb, and Zn showed level of moderately polluted, unpolluted, moderately to strongly polluted, unpolluted, moderately polluted and moderately to strongly polluted, respectively. The pattern of total metal concentrations in the studied area was ranked as follows: Zn and Cu>Pb>Cd>Ni>Cr. The highest values for the monomial potential ecological risk (Er) were observed for Cd (114). The mean level of RI for the studied soil samples was 192 (91.3–244), which is classed as presenting a strong potential ecological risk. © 2018 Taylor & Francis Group, LLC.
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