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Abstract
EVALUATION OF CONCENTRATION OF HEAVY METALS IN SURFACE AND GROUND WATER IN AKPABUYO, SOUTH-EASTERN NIGERIA, WA
Jeremiah Anwakang*
ABSTRACT
Heavy metal analyses were carried out on twenty (20) surface water and twenty (20) groundwater samples obtained from a rapidly changing area and system in part of Eastern Niger Delta. Heavy metal levels: barium, cadmium, copper, iron, manganese, lead and zinc were analyzed using Atomic Absorption Spectrophotometer. Most of the heavy metal concentrations in both surface and groundwater are within the WHO (2011) permissible limits for drinking and industrial usage of water. However,the concentration of these heavy metals are more pronounced in surface water than in groundwater with anomalous concentrations of Cd and Pb. The high concentrations of most heavy metals in surface water could be due to the fact that heavy metals are found naturally in the earth, and become concentrated as a result of human caused activities.
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