Effiong Ukorebi ETIM
The Ota industrial estate being one of the largest in the southwestern Nigerian, contributes significantly to its socio-economic development. This study is design to generate the much needed industrial emission data for efficient environmental monitoring and compliance. The industrial pollution projection survey (IPPS) and rapid pollution inventory survey (RPIS) models developed by the World Bank were used for the estimation of pollution loads. The results showed that a total of 6970 tons/yr of air pollutants (SO2, NO2, CO, VOC and PM), 10800 tons/yr of wastewater pollutants (BOD and TSS) and 1090 tons/yr of toxic pollution (air, land and water) were released into the environment from the industrial estate. Carbon monoxide accounted for the highest air pollution load representing 57.5%. About 64.0% of the total pollution load of the industrial estate was contributed by industries in the basic metal, iron, steel and fabricated metal works sector. There is need for industrial emission monitoring and enforcement for pollution control and abatement. Similarly, efficient and environmentally friendly waste management practices should be adopted within the confines of this all-important industrial estate.
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