Dynamics of airborne fungal populations in a large office building

The increasing concern with bioaerosols in large office buildings prompted this prospective study of airborne fungal concentrations in a newly constructed building on the Gulf coast. We collected volumetric culture plate air samples on 14 occasions over the 18-month period immediately following buil...

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Bibliographic Details
Published in:Current microbiology 2000-01, Vol.40 (1), p.10-16
Main Authors: Burge, H. A., Pierson, D. L., Groves, T. O., Strawn, K. F., Mishra, S. K.
Format: Article
Language:English
Subjects:
Aerosols
Air Conditioning
Air Microbiology
Air Pollution, Indoor
Air sampling
Biological and medical sciences
Buildings
Colony Count, Microbial
Fundamental and applied biological sciences. Psychology
Fungi
Fungi - classification
Fungi - isolation & purification
Indoor air quality
Life Sciences (General)
Microbiology
Miscellaneous
Mycology
Ventilation
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Summary:The increasing concern with bioaerosols in large office buildings prompted this prospective study of airborne fungal concentrations in a newly constructed building on the Gulf coast. We collected volumetric culture plate air samples on 14 occasions over the 18-month period immediately following building occupancy. On each sampling occasion, we collected duplicate samples from three sites on three floors of this six-story building, and an outdoor sample. Fungal concentrations indoors were consistently below those outdoors, and no sample clearly indicated fungal contamination in the building, although visible growth appeared in the ventilation system during the course of the study. We conclude that modern mechanically ventilated buildings prevent the intrusion of most of the outdoor fungal aerosol, and that even relatively extensive air sampling protocols may not sufficiently document the microbial status of buildings.
ISSN:0343-8651
1432-0991
DOI:10.1007/s002849910003