Use of industrial pollution projection system (IPPS) to estimate pollution load by sector in two industrial estates in Ogun state, western Nigeria

Abstract

We have used industrial projection pollution system (IPPS) to generate estimates of pollution load by industrial establishments in two industrial estates in Ogun state, Western Nigeria using employment data. Results indicate that the most polluting sectors are chemical and pharmaceuticals (CPH), basic metal (BML) and food, beverage and tobacco (FBT), the three giving a cumulative contribution of 97.18% of pollution to all media. The least polluting sectors are Electrical and electronic sector (EES)(0.02%), Motor vehicle assembly (MVA)(0.04%) and Wood and wood products (WWP)(0.13%). The trend is consistent with results obtained in other developing economies although estimation parameters differ. They sectoral ranking of pollution intensity is similar to the findings of Oketola and Osibanjo10, 12 in a similar study for Lagos.