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Human Health Risk Assessment Of Some Heavy Metals In Eme River, Umuahia, Abia State, Nigeria, Emeka Donald Anyanwu, Onyinyechi Gladys Adetunji, Paschal Emeka Etusim, Solomon Nnanna Umeham

Journal of Bioresource Management

This study evaluated the health risk of some heavy metals in Eme River, Umuahia. The study conducted in 6 stations was between December 2017 and November 2018. The non-carcinogenic method that involves determination of chronic daily intake (CDI), hazard quotient (HQ) and hazard index (HI) was applied in the assessment of ingestion, dermal and incidental ingestion exposures. Iron, lead and cadmium exceeded their limits and warranted risk assessment. The heavy metals’ CDI values for the three routes were lower than their respective reference doses except for cadmium (ingestion route). Except for cadmium (ingestion), the hazard quotients also recorded values lower …