Abstract
An assessment of some Heavy Metals in Sediment of Otamiri River, Imo State, South-Eastern Nigeria was conducted between the months of August to October, 2015. Water samples were collected from four sampling stations established along the river channel for 3 months (fortnightly). Physic-chemical parameters were analyzed following conventional field and standard laboratory techniques. Temperature range between 24.25℃ - 30.50℃, Hydrogen ion mean concentration value of 7.01 ± 0.19 ppm was obtained, CO2 recorded a mean value of 3.41 ± 0.19 ppm, Total Hardness recorded a mean value of 35.59 ± 1.09 ppm, Ammonia recorded a mean value of 1.36 ± 0.11 ppm, Dissolved Oxygen recorded a mean value of 4.61 ± 0.26 ppm, and mean value of 4.63 ± 0.12 ppm was observed in Biochemical Oxygen Demand. Nickel concentration ranged between 2.16 - 4.21 ppm, Lead range 0.71 - 6.01 ppm, Chromium range between 1.63 - 11.067, Chromium range between 0.74 - 3.61, and Copper concentration range between 0.94 - 10.36. All the parameters measured were significantly different at p
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