Vacuum cleaner emissions as a source of indoor exposure to airborne particles and bacteria
Knibbs, Luke D., He, Congrong, Duchaine, Caroline, & Morawska, Lidia (2012) Vacuum cleaner emissions as a source of indoor exposure to airborne particles and bacteria. Environmental Science and Technology, 46(1), pp. 534-542.
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Vacuuming can be a source of indoor exposure to biological and non-biological aerosols, although there is little data that describes the magnitude of emissions from the vacuum cleaner itself. We therefore sought to quantify emission rates of particles and bacteria from a large group of vacuum cleaners and investigate their potential determinants, including temperature, dust bags, exhaust filters, price and age. Emissions of particles between 0.009 and 20 µm and bacteria were measured from 21 vacuums. Ultrafine (<100 nm) particle emission rates ranged from 4.0 × 10^6 to 1.1 × 10^11 particles min-1. Emission of 0.54 to 20 µm particles ranged from 4.0 × 10^4 to 1.2 × 10^9 particles min-1. PM2.5 emissions were between 2.4 × 10-1 and 5.4 × 10^3 µg min-1. Bacteria emissions ranged from 0 to 7.4 × 10^5 bacteria min-1 and were poorly correlated with dust bag bacteria content and particle emissions. Large variability in emission of all parameters was observed across the 21 vacuums we assessed, which was largely not attributable to the range of determinant factors we assessed. Vacuum cleaner emissions contribute to indoor exposure to non-biological and biological aerosols when vacuuming, and this may vary markedly depending on the vacuum used.
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|Item Type:||Journal Article|
|Keywords:||Indoor exposure, Bacteria, Particles, Environmental Health|
|Subjects:||Australian and New Zealand Standard Research Classification > ENVIRONMENTAL SCIENCES (050000) > ENVIRONMENTAL SCIENCE AND MANAGEMENT (050200) > Environmental Monitoring (050206)|
Australian and New Zealand Standard Research Classification > BIOLOGICAL SCIENCES (060000) > MICROBIOLOGY (060500) > Microbiology not elsewhere classified (060599)
Australian and New Zealand Standard Research Classification > MEDICAL AND HEALTH SCIENCES (110000) > PUBLIC HEALTH AND HEALTH SERVICES (111700) > Environmental and Occupational Health and Safety (111705)
|Divisions:||Past > QUT Faculties & Divisions > Faculty of Science and Technology|
Current > Institutes > Institute of Health and Biomedical Innovation
Past > Schools > Physics
|Copyright Owner:||Copyright © 2011 American Chemical Society|
|Copyright Statement:||This article is freely available from the American Chemical Society website 12 months after the publication date. See links to publisher website in this record.|
|Deposited On:||31 Jan 2012 09:25|
|Last Modified:||31 Jan 2012 09:25|
Available Versions of this Item
- Vacuum cleaner emissions as a source of indoor exposure to airborne particles and bacteria. (deposited 17 Nov 2011 09:22)
- Vacuum cleaner emissions as a source of indoor exposure to airborne particles and bacteria. (deposited 31 Jan 2012 09:25)[Currently Displayed]
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