Monitoring Toxins and Human Health Risk Assessment of Clarias Gariepinus from Nwangele River in Imo State, Nigeria

I. J. Offor, Anyanwu D.C., Ukagwu J.i, Umunnakwe J.E., Nwoye O.E., C.A. John-Offor, C.E. Nwokorie and Okongwu
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I. J. Offor: TETFund Centre of Excellence, Alvan Ikoku University of Education, Owerri Imo State.
Anyanwu D.C.: Department of Agric Sc, Alvan Ikoku University of Education, Owerri Imo State.
Ukagwu J.i: TETFund Centre of Excellence, Alvan Ikoku University of Education, Owerri Imo State.
Umunnakwe J.E.: Dept of Environmental Resource Management, University of Calabar, Cross River State.
Nwoye O.E.: Department of Agric Sc, Alvan Ikoku University of Education, Owerri Imo State.
C.A. John-Offor: Department of Health Services, Alvan Ikoku University of Education, Owerri Imo State.
C.E. Nwokorie: Department of Agric Sc, Alvan Ikoku University of Education, Owerri Imo State.
Okongwu: Department of Agric Sc, Alvan Ikoku University of Education, Owerri Imo State.

International Journal of Research and Innovation in Social Science, 2024, vol. 8, issue 1, 2350-2357

Abstract: Polycyclic aromatic hydrocarbons (PAHs) and heavy metals are ubiquitous environmental contaminants which have caused worldwide concerns as toxic pollutant. This study reports the concentrations of 8 PAHs and 4 heavy metals (Al, As, Pb, and Hg) in clarias gariepinus collected from Nwangele River in Imo State Nigeria. The mean concentration of heavy metals was between 0.06-2.67 mg/kg, with Arsenic having the highest concentration. Daily intake of heavy metals was estimated using daily fish consumption of 0.03643kg/person/day from literature. Referenced oral dose RfD for the four metals were: 0.043, 0.003, 0.004, 0.0001 respectively. Health Risk index (HRI) of heavy metals were

Date: 2024
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