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:: Volume 3, Issue 2 (Spring, 2016) ::
Environ. Health Eng. Manag. 2016, 3(2): 61-68 Back to browse issues page
Heavy metals bioaccumulation in fish of southern Iran and risk assessment of fish consumption
Mohammad Malakootian , Mohammad Seddiq Mortazavi , Abdolkarim Ahmadi
Environmental Health Engineering Research Center, Department of Environmental Health, School of Public Health, Kerman University of Medical Sciences, Kerman, Iran , m.malakootian@yahoo.com
Abstract:   (12762 Views)

Background: This study purposed to assess the health risks of heavy metals including nickel (Ni), chromium (Cr), mercury (Hg), and lead (Pb) in three widely-consumed fish from the coast of Bandar Abbas (Persian Gulf) and to determine the maximum amounts allowed for consumption according to the degree of contamination.
Methods: This cross-sectional study was conducted in the summer and fall of 2013. Thunnus tonggol and Liza klunzingeri were selected from the Bandar Abbas market, and Pleuronectiformes were caught from the sea. Heavy metal concentrations were determined by atomic absorption. Risk assessment and allowable consumption levels were determined according to methods provided by the US Environmental Protection Agency (USEPA).
Results: The highest average levels of Ni and Cr in Thunnus tonggol were 0.059 and 0.234 (μg/g dry weight), respectively. The highest average level of Hg in Pleuronectiformes was 0.095 (μg/g dry weight), and the highest average level of Pb in Liza klunzingeri was 0.006 (μg/g dry weight). The target hazard quotient (THQ) for all analyses of metals in the studied species and the hazard index (HI) were less than 1 for all three species.
Conclusion: The results showed that despite Ni, Cr, Hg, and Pb pollution, the consumption of up to 4 (kg/d) of Thunnus tonggol by adults and up to 2.2 (kg/d) by children does not cause health problems in terms of the tested heavy metals. For Liza klunzingeri, these levels are 7.32 and 4.02 (kg/d), respectively.

Keywords: Nickel, Chromium, Mercury, fish, Risk assessment.
eprint link: http://eprints.kmu.ac.ir/id/eprint/25442
Full-Text [PDF 487 kb]   (4834 Downloads)    
Type of Study: Original Article | Subject: General
Received: 2016/06/7 | Accepted: 2016/06/7 | Published: 2016/06/7
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Malakootian M, Mortazavi M S, Ahmadi A. Heavy metals bioaccumulation in fish of southern Iran and risk assessment of fish consumption. Environ. Health Eng. Manag. 2016; 3 (2) :61-68
URL: http://ehemj.com/article-1-155-en.html

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Volume 3, Issue 2 (Spring, 2016) Back to browse issues page
Environmental Health Engineering And Management Journal Environmental Health Engineering And Management Journal
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