Development of a New Pollution Index for Heavy Metals in Sediments |
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Authors: | Forough Farsad Abdolreza Karbassi Seyed Masoud Monavari Mohammad Seddigh Mortazavi Parvin Farshchi |
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Institution: | (1) Department of Environmental Sciences, Science and Research Branch, Islamic Azad University, Tehran, Iran;(2) Graduate Faculty of Environment, University of Tehran, 14155-6135, Tehran, Iran;(3) Persian Gulf and Oman Sea Ecological Research Institute, P.O.Box 79145-1597, Bandar Abbas, Hormozgan, Iran |
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Abstract: | This study aims to investigate the pollution rate of heavy metals on the western seaboard of Bandarabbas in southeast Iran
using a new pollution index. The bulk of the analysis was conducted on sediments, followed by selection of a few samples to
perform experiments on chemical partitioning studies as well as biological accessibility. On this basis, the proportions of
natural and anthropogenic elements were calculated. Finally, with regard to chemical separation results, the pollution rate
was calculated based on Muller's geo-chemical index, enrichment factor, pollution index, and a new "Risk" index. Chemical
separation showed the anthropogenic origin of elements are as follows: Ni(27.5%) > Zn(6.5%) > Pb(2%) > Al (0.2%). The newly
developed pollution index is indicative of "low environmental pollution "for Ni. |
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