Transport of fungal spores from crawl space to indoors
Matilainen, M. and Pasanen, P.
2002
Proceedings of 9th International Conference on Indoor Air Quality and Climate, Monterey, California, June 30-July 5, pp. 736-741
Microbes, Transport to Indoors, Crawl Space
Matilainen, M. and Pasanen, P., (2002), "Transport of fungal spores from crawl space to indoors", Proceedings of 9th International Conference on Indoor Air Quality and Climate, Monterey, California, June 30-July 5, pp. 736-741.
| ABSTRACT
A mechanical exhaust ventilation system is typical in apartment buildings in Finland. In most cases the base floor has leakages, and as the apartment building has lower pressure than crawl space, thus air and fungal spores may flow from the crawl space to the apartment. Usually the concentration of fungal spores is clearly higher in the crawl space than inside the building. In this study, in most cases for the same species, the size distribution of fungal spores was similar in shape in the crawl space and indoors. The size distribution of fungal spores varied depending on the fungal species. Correlation between the fungal spores in the crawl space and indoors depended on microbe species. Some species have sources inside the building, which makes the correlation more complicated. However, some species like Acremonium do not normally have a source indoors, and the concentration of Acremonium in the crawl space correlated to the indoor concentration. |
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