Effect of relative humidity on fungal colonization of fiberglass insulation.

  title={Effect of relative humidity on fungal colonization of fiberglass insulation.},
  author={Ifeoma M. Ezeonu and Judith A Noble and Robert B. Simmons and Daniel L Price and Sidney A. Crow and Donald G. Ahearn},
  journal={Applied and environmental microbiology},
  volume={60 6},
Fiberglass duct liners and fiberglass duct boards from eight buildings whose occupants complained of unacceptable or moldy odors in the air were found to be heavily colonized by fungi, particularly by Aspergillus versicolor. Unused fiberglass was found to be susceptible to fungal colonization in environmental chambers dependent upon relative humidity. No colonization was observed at relative humidities below 50%. 

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