SE Womble, LE Burton, L Kolb, et. al., “Prevalence and Concentrations of Culturable Airborne Fungal Spores in 86 Office Buildings from the Building Assessment Survey and Evaluation (BASE) Study,” Proceedings of Indoor Air 1999, Vol. I, pp. 261-266, (1999).You may need a PDF reader to view some of the files on this page. See EPA’s About PDF page to learn more.