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This study aimed to investigate the accumulation and comparison of ethidium, malathion, trifluralin, P, P-dichlorodiphenyltrichloroethane (P-DDT), and P, P-dichlorodiphenyldichloroethylene (P-DDE) in the tissue of Common carp, Common Pike, Crucian carp, Tench, and catfish of the central, western, and eastern wetland of Anzali wetland and comparison with the World Health Organization (WHO). The level of organochlorine pesticides in fish meat was measured by gas chromatography equipped with an electron capture detector and organophosphate toxin with gas chromatography–mass spectrometry. P, P-DDE, P, P, DDT, ethidium, and trifluralin did not show significant differences at the stations west, east, and central (P > 0.05). Ethidium, malathion, and trifluralin most were amounts in fish. Ethidium and malathion have no significant differences (P > 0.05). Ethidium, malathion, trifluralin, P, P-DDE, and P, P DDT decreased significantly compared to the WHO (P > 0.05). The results showed that according to the standards set by the WHO, the accumulation of these toxins in the fish of the Enrolled wetland does not pose a danger to consumers.
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