Health risk assessment of heavy metals in roadside soil along the Hemmat Highway of Tehran, Iran, in 2014
Author(s):
Abstract:
Background
The present study investigated the impact of land use on health risks (cancerous and non-cancerous) of heavy metals in soil along the Hemmat Highway of Tehran, Iran.Materials And Methods
A total of 28 soil samples were collected in August 2014 from the roadside soil of the Hemmat Highway. The collected samples were air-dried and digested, and then, analyzed for heavy metals using an atomic absorption spectrophotometer (AAS). Non-carcinogenic and carcinogenic health risks were calculated for different land uses (green space, residential area, under construction, and natural) along the Hemmat Highway.Results
The hazard index (HI) of Pb, Zn, Cd, Cr, and Ni was, respectively, 0.28, 0.19 × 10-2, 0.032, 0.043, 0.006 for children, and was 0.037, 0.24 × 10-3, 0.014, 0.012, 0.76 × 10-3 for adults. Carcinogenic risk of metals was analyzed for Cd, Cr, and Ni. The carcinogenic risk ýof Pb, Ni, Zn, and Cd was 0.144 × 10-7, 0.427 × 10-6, and 9.41 × 10-2, respectively.Conclusions
The carcinogenic risk levels of the three studied metals were Keywords:
Health Risk , Land , soil , Heavy Metal
Language:
English
Published:
Journal of Occupational Health and Epidemiology, Volume:4 Issue: 4, Autumn 2015
Pages:
241 to 251
https://magiran.com/p1620203
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