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Particle size distribution of airborne Aspergillus fumigatus spores emitted from compost using membrane filtration

Deacon, LJ; Pankhurst, LJ; Drew, GH; Hayes, ET; Jackson, S; Longhurst, PJ; ... Tyrrel, SF; + view all (2009) Particle size distribution of airborne Aspergillus fumigatus spores emitted from compost using membrane filtration. ATMOS ENVIRON , 43 (35) 5698 - 5701. 10.1016/j.atmosenv.2009.07.042.

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Abstract

Information on the particle size distribution of bioaerosols emitted from open air composting operations is valuable in evaluating potential health impacts and is a requirement for improved dispersion simulation modelling. The membrane filter method was used to study the particle size distribution of Aspergillus fumigatus spores in air 50 m downwind of a green waste compost screening operation at a commercial facility. The highest concentrations (approximately 8 x 10(4) CFU m(-3)) of culturable spores were found on filters with pore diameters in the range 1-2 mu m which suggests that the majority of spores are emitted as single cells. The findings were compared to published data collected using an Andersen sampler. Results were significantly correlated (p < 0.01) indicating that the two methods are directly comparable across all particles sizes for Aspergillus spores. (C) 2009 Elsevier Ltd. All rights reserved.

Type:Article
Title:Particle size distribution of airborne Aspergillus fumigatus spores emitted from compost using membrane filtration
DOI:10.1016/j.atmosenv.2009.07.042
Keywords:Bioaerosol, Sampling, Filtration, Andersen sampler, Aspergillus, EXPOSURE ASSESSMENT, PARTICULATE MATTER, BIOAEROSOLS, MICROORGANISMS, ASSESSMENTS, FACILITIES, BACTERIA
UCL classification:UCL > School of BEAMS > Faculty of Engineering Science > Civil, Environmental and Geomatic Engineering

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