Size-resolved culturable airborne bacteria sampled in rice field, sanitary landfill, and waste incineration sites

Journal of Environmental Monitoring : JEM
Yongju HeoKihong Park

Abstract

Size-resolved bacterial concentrations in atmospheric aerosols sampled by using a six stage viable impactor at rice field, sanitary landfill, and waste incinerator sites were determined. Culture-based and Polymerase Chain Reaction (PCR) methods were used to identify the airborne bacteria. The culturable bacteria concentration in total suspended particles (TSP) was found to be the highest (848 Colony Forming Unit (CFU)/m(3)) at the sanitary landfill sampling site, while the rice field sampling site has the lowest (125 CFU/m(3)). The closed landfill would be the main source of the observed bacteria concentration at the sanitary landfill. The rice field sampling site was fully covered by rice grain with wetted conditions before harvest and had no significant contribution to the airborne bacteria concentration. This might occur because the dry conditions favor suspension of soil particles and this area had limited personnel and vehicle flow. The respirable fraction calculated by particles less than 3.3 mum was highest (26%) at the sanitary landfill sampling site followed by waste incinerator (19%) and rice field (10%), which showed a lower level of respiratory fraction compared to previous literature values. We identified 58 specie...Continue Reading

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Citations

Jan 17, 2012·Applied and Environmental Microbiology·Marius DybwadJanet Martha Blatny
Feb 18, 2014·The Science of the Total Environment·M Elias Dueker, Gregory D O'Mullan
May 28, 2014·The Annals of Occupational Hygiene·Anne Mette MadsenErik Wind Hansen
May 7, 2011·Current Opinion in Microbiology·Holger HeuerKornelia Smalla
May 25, 2016·Archives of Environmental & Occupational Health·Rhoshela Vi C RendonPierangeli G Vital
Sep 13, 2019·International Journal of Environmental Research and Public Health·Wendy Beatriz Morgado-GameroDayana Milena Agudelo-Castañeda
Apr 9, 2013·Environmental Science. Processes & Impacts·Agnieszka Kalwasińska, Aleksandra Burkowska
May 18, 2020·Environmental Science and Pollution Research International·Karol Bulski
Apr 14, 2017·Archives of Environmental & Occupational Health·Hera Angela M PagalilauanPierangeli G Vital

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