| View Larger Image | Size distributions and height variations of airborne particulate matter and cat allergen indoors immediately following dust-disturbing activities [An article from: Journal of Aerosol Science] | Digitalby L.D. Montoya (Author), L.M. Hildemann (Author)
| List Price: | $10.95 | | | Available: | Available for download now |
| | Binding: | Digital | | Publisher: | Elsevier |
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Product Description
This digital document is a journal article from Journal of Aerosol Science, published by Elsevier in 2005. The article is delivered in HTML format and is available in your Amazon.com Media Library immediately after purchase. You can view it with any web browser.Description: Concurrent size-resolved measurements of airborne cat allergen (Fel d 1) and total particulate matter (PM) were collected in an experimental chamber for the first 5min following a typical dust-generating household activity (vacuuming a carpet). Three different heights representative of typical elevations for human exposure were measured to assess vertical variations. Experiments showed that only a limited amount of deposited house dust is available for resuspension; the reservoir of dust in the carpet appears to become substantially depleted after about 3 iterations of a resuspension activity, and vertical variations in large PM (aerodynamic diameters >10@mm) become less pronounced. Measured removal rates of PM suggested that the average density of house dust may be substantially less than 1.0g/cm^3. The allergenic content of the resuspended house dust was found to range between 0.03-0.10%, with a preliminary suggestion of somewhat higher Fel d 1 levels in the submicron size range particles. |
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