Presents results of a 22-month study in the of 48 schools in which there had been concerns about health and indoor air quality. Building indoor air and surface samples, as well as outdoor air samples were taken at all sites to look for the presence of fungi or their viable propagules. At 20 schools, there were significantly more colony forming units per cubic metre of propagules of Penicillium species in the air samples from complaint areas when compared with the outdoor air samples and the indoor air samples from noncomplaint areas. At five schools, there were more, although not significant Penicillium propagules in the air samples from complaint areas when compared with the outdoor air samples and the indoor air samples from noncomplaint areas. In 11 schools, the complaint area indoor air fungal ratios were similar to those in the outdoor air.
Occupational Environmental Medicine
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