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The Role of Microscopy in Indoor Air Quality Investigations

Published online by Cambridge University Press:  14 March 2018

R.B. Simmons
R.B. Simmons*
Affiliation:
Georgia State University
*
rsimmons@gsu.edu

Extract

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Numerous studies have demonstrated that fungi are capable of colonizing a range of indoor construction and finishing materials as well as a number of air handling system components. Many of the species found are known to produce mycotoxins and demonstration of the presence of ‘toxic mould’ in both the workplace and in dwellings has become a major issue. Mould issues now are the focus of litigation or are currently in contention in a number of states and hundreds of millions of dollars are at stake.

The indoor environment harbors a variety of microorganisms, including bacteria and fungi. Under normal indoor conditions most of these organisms are present as dormant forms. The fungi persist either as conidia (asexual spores), sexual spores, or hyphal fragments. The presence of water in an environment may lead to the growth and proliferation of fungal species, sometimes resulting in deterioration of the colonized substrates with possible negative effects on IAQ.

Type
Research Article
Information
Microscopy Today , Volume 12 , Issue 2 , March 2004 , pp. 28 - 31
Copyright
Copyright © Microscopy Society of America 2004

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