n Clean Air Journal = Tydskrif vir Skoon Lug - NOX and VOC measurements and health risk assessment in an informal settlement in Durban
|Article Title||NOX and VOC measurements and health risk assessment in an informal settlement in Durban|
|© Publisher:||National Association for Clean Air (NACA)|
|Journal||Clean Air Journal = Tydskrif vir Skoon Lug|
|Author||J. Cookson, A. Royal, R. Diab and M. Binede11|
|Publication Date||May 2007|
|Pages||25 - 30|
A previous study by Muller et al. (2003) investigated NOx, benzene, toluene, ethylbenzene and xylene levels in households in the densely settled informal settlement of Cato Crest located within the Durban Metropolitan area. A Health Risk Assessment based on the United States EPA approach showed that the residents of Cato Crest experienced significant health risks as a result of exposure to these pollutants largely as a result of kerosene usage in their homes. Specifically, the study which was conducted in September 2000 in 14 households, showed that exposure to NOx over a 24-hour period indicated a potential health risk in all the households, that benzene poses a health risk in 50% of the households, whereas there is no health risk associated with exposure to toluene. A follow-up study was conducted in July 2006 targeting similar households and pollutants to investigate whether comparable results were found in a typical winter period, when air quality is generally expected to deteriorate.
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