Heavy Metal Contamination in Street Dusts with Various Land Uses in Zahedan, Iran

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• 作者：Hossein Kamani (1)
  Seyed Davoud Ashrafi (2) (3)
  Siavash Isazadeh (4)
  Jalil Jaafari (3)
  Mohamad Hoseini (2)
  Ferdos Kord Mostafapour (1)
  Edris Bazrafshan (1)
  Shahrokh Nazmara (2)
  Amir Hossein Mahvi (2) (5) (6)
  
  1. Health Promotion Research Center ; Zahedan University of Medical Sciences ; Zahedan ; Iran
  2. School of Public Health ; Tehran University of Medical Sciences ; Tehran ; Iran
  3. Department of Environmental Health Engineering ; School of Health ; Guilan University of Medical Sciences ; Rasht ; Iran
  4. Department of Civil Engineering and Applied Mechanics ; McGill University ; Montreal ; QC ; Canada
  5. Center for Solid Waste Research ; Institute for Environmental Research ; Tehran University of Medical Sciences ; Tehran ; Iran
  6. National Institute of Health Research ; Tehran University of Medical Sciences ; Tehran ; Iran
  
• 关键词：Street dust ; Heavy metal ; Integrated pollution index ; Enrichment factor ; Zahedan
• 刊名：Bulletin of Environmental Contamination and Toxicology
• 出版年：2015
• 出版时间：March 2015
• 年：2015
• 卷：94
• 期：3
• 页码：382-386
• 全文大小：340 KB
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• 刊物主题：Pollution, general; Environmental Health; Ecotoxicology; Soil Science & Conservation; Environmental Chemistry; Waste Water Technology / Water Pollution Control / Water Management / Aquatic Pollution;
• 出版者：Springer US
• ISSN：1432-0800

文摘

A total of 78 street dust samples (75 within city and 3 from suburban) were collected from different areas with various land use within the city of Zahedan in November 2013 at the end of a long dry period. After digestion, the concentrations of Cd, Cr, Cu, Ni, Pb, and Zn were measured by using ICP-OES. The degree of pollution by heavy metals was assessed with respect to the background concentration by calculation and comparison of the pollution index, integrated pollution index (IPI) and enrichment factor (EF). The mean IPI values (aggregate of six heavy metals) in commercial, high traffic, industrial, urban park, and residential were 3.65, 2.76, 1.68, 1.53 and 1.25, respectively. The results of EF analysis showed almost all sampled urban land use types to be enriched in heavy metals compared with sampled background levels, suggesting heavy metals contamination of street dust in the urban center is from anthropogenic sources.