Characterization of domestic and market solid wastes at source in Lagos metropolis, Lagos, Nigeria

Waste management is an important element of environmental protection. Proper characterization of municipal solid waste is fundamental for the planning of  municipal waste management services. The objectives of this study were to  estimate the percentage of various components of household and market waste generated from source and also the seasonal composition of household waste. The domestic and market solid wastes generated during a period of 48 days by a  sampling of 200 households and 40 market waste samples of different socio – economic characteristics were classified and weighed at source between March 2004 and April 2006. The household solid waste mainly consisted of putrescible waste (68.16%), paper  (12.46%), nylon (7.68%), Plastic (3.64%), glass (1.78%), metal (2.08%), and garden waste/grit (4.20%). The market waste consisted of putrescible waste (68.98%); paper (23.57%), nylon (3.92%), Plastic (1.77%) and metal (1.77%). The seasonal  composition shows a high generation of putrescible during the wet season and nylon during the dry season. Key words : Household waste, market waste, waste composition, Lagos metropolis.