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PubMed · 15253497

Sampling household waste at source: lessons learnt in Gaborone.

Benjamin Bolaane·Mansoor Ali
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Abstract

Municipal solid waste (MSW) quantity and composition analysis is fundamental for the planning of municipal waste management services. The purpose of this paper is to report the results and experiences of sampling household waste at the source of generation in Gaborone, Botswana. The average generation rate, in kg capita(-1) day(-1), and percentages of various components of waste in Gaborone were determined using a statistically designed household sampling survey. The survey covered 47 households with different socio-economic characteristics over 21 days with 893 samples obtained. The results showed that the average waste generation rate for Gaborone was 0.33 kg capita(-1) day(-1). Contrary to common belief, the waste generation rate measured as in weight units was found not be directly related to household income. However, the packaging fractions of plastic and paper measured as volume had a direct relationship with household income. Across all income groups, the putrescible waste fraction constituted the highest proportion of the waste stream at approximately 68%. The main general conclusion is on the importance of practical considerations. As much as statistically designed sampling procedures provide a useful means of estimating the quantity and composition of household waste at source of generation, there are some practical issues that should be carefully considered during sampling to improve the accuracy and relevance of the results.

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BotswanaData CollectionEnvironmental MonitoringHumansIncomeRefuse DisposalSample SizeSocial ClassJournal Article

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Benjamin Bolaane, Mansoor Ali. 2004. Sampling household waste at source: lessons learnt in Gaborone.. https://doi.org/10.1177/0734242x04044970

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