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

Author

Listed:
  • Offor, I. J.

    (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.)

  • John-Offor, C.A.

    (Department of Health Services, Alvan Ikoku University of Education, Owerri Imo State.)

  • Nwokorie, C.E.

    (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.)

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

Suggested Citation

  • Offor, I. J. & Anyanwu D.C. & Ukagwu J.I & Umunnakwe J.E. & Nwoye O.E. & John-Offor, C.A. & Nwokorie, C.E. & Okongwu, 2024. "Monitoring Toxins and Human Health Risk Assessment of Clarias Gariepinus from Nwangele River in Imo State, Nigeria," International Journal of Research and Innovation in Social Science, International Journal of Research and Innovation in Social Science (IJRISS), vol. 8(1), pages 2350-2357, January.
    • Handle: RePEc:bcp:journl:v:8:y:2024:i:1:p:2350-2357
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