Particle size distribution of airborne <italic>Aspergillus fumigatus</italic> spores emitted from compost using membrane filtration: Fid-Bau Portal

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

Deacon, L.J. / Pankhurst, L.J. / Drew, G.H. / Hayes, E.T. / Jackson, S. / Longhurst, P.J. / Longhurst, J.W.S. / Liu, J. / Pollard, S.J.T. / Tyrrel, S.F.

Abstract

AbstractInformation 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 × 10⁴ CFU m⁻³) of culturable spores were found on filters with pore diameters in the range 1–2 μm 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.

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

Deacon, L.J. / Pankhurst, L.J. / Drew, G.H. / Hayes, E.T. / Jackson, S. / Longhurst, P.J. / Longhurst, J.W.S. / Liu, J. / Pollard, S.J.T. / Tyrrel, S.F.

Abstract

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

Deacon, L.J. / Pankhurst, L.J. / Drew, G.H. / Hayes, E.T. / Jackson, S. / Longhurst, P.J. / Longhurst, J.W.S. / Liu, J. / Pollard, S.J.T. / Tyrrel, S.F.