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0.05). Table 1 shows ADDpot and HQ of heavy metals in muscles of fish samples from the wetlands. Among the fish species examined in this study, Hemiculter Leucisculus with a HQ value of 0.009 has the lowest potential health risk to mercury and Schizothorax zardunyi with a HQ value of 1.2 has the highest potential health risk to mercury. The HQ through the consumption of Schizocypris altidorsalis and Schizothorax zardunyi was higher than 1 (for mercury), indicating that there is potential health risk associated with the consumption of these fish from the hamun wetland. The results for lead concentration indicate that there is no HQ value > 1, indicating that humans would not experience any significant health risk if they only consume metals from these species of fish from the hamun wetland. The concentrations of mercury in all species were below the limits for fish proposed by United Nations Food and Agriculture Organization (FAO), World Health Organization (WHO), US Food and Drug Administration (FDA) and US Environmental Protection Agency (EPA), and European Union (EU) (Table 2). Lead concentrations in Ctenopharyngodon idella, Cyprinus carpio, Hypophthalmichthys molitrix were under the scope proposed by FAO, WHO, FDA, Turkish Acceptable Limits (TAL), United Kingdom Ministry of Agriculture Fisheries and Food (UK MAFF) and National Health and Medical Research Council (NHMRS), but lead concentration in Schizocypris altidorsalis, and Schizothorax zardunyi were higher than WHO and TAL (Table 2). It should be noted that maximum consumption of 0.020 kg/day of Schizocypris altidorsalis and 0.019 kg/day of Schizothorax zardunyi there is no potential health risk (CRlim). 4- Conclusion The results of the present study aimed to provide data from Caspian Sea, Anzali wetland, and Hamun wetland as indicators of natural and anthropogenic impacts on aquatic ecosystem as well as to evaluate the human hazard index associated with fish consumption. The human health hazard Quotient (index) showed that the cumulative risk greatly increases with increasing fish consumption rate, thus yielding an alarming concern for consumer health.]]>
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