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Bioaerosol Emissions Arising During Application of Municipal Solid-Waste Compost Publisher



Nikaeen M1 ; Hatamzadeh M1 ; Hasanzadeh A1 ; Sahami E1 ; Joodan I1
Authors

Source: Aerobiologia Published:2009


Abstract

Although application of composted municipal waste has its benefits, there are also concerns about a range of adverse effects. Bioaerosol emissions are one cause of concern because of related health problems. To assess the concentration of bioaerosols emitted during application of compost, fungi and bacteria were collected using an Andersen biosampler. Temperature and relative humidity were also recorded at each location. Total bacterial concentrations averaged 2,887 cfu/m3 for background samples and 6,727 cfu/m 3 for compost-application samples, which constitutes a significant difference. The mean concentration of fungi during application of compost was three times greater than the background, but the difference was not significant. Concentrations of total bacteria in compost-application samples decreased significantly with increasing humidity. These results indicated that bioaerosol emissions as a result of application of compost could increase levels of exposure to bacteria and pose a potential health risk for exposed individuals. © 2008 Springer Science+Business Media B.V.
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