Factors affecting the concentration of outdoor particles indoors: existing data and data needs

TitleFactors affecting the concentration of outdoor particles indoors: existing data and data needs
Publication TypeConference Proceedings
Year of Publication2002
AuthorsThomas E McKone, Tracy L Thatcher, William J Fisk, Richard G Sextro, Michael D Sohn, William W Delp, William J Riley
Conference NameProceedings of the Indoor Air 2002 Conference, Monterey, CA
Volume1
Pagination176-181
PublisherIndoor Air 2002, Santa Cruz, CA
Abstract

Accurate characterization of particle concentrations indoors is critical to exposure assessments. It is estimated that indoor particle concentrations depend strongly on outdoor concentrations. For health scientists, knowledge of the factors that control the relationship of indoor particle concentrations to outdoor levels is particularly important. In this paper, we identify and evaluate sources of data for those factors that affect the transport to and concentration of outdoor particles indoors. To achieve this goal, we (i) identify and assemble relevant information on how particle behavior during air leakage, HVAC operation, and particle filtration effects indoor particle concentration; (ii) review and evaluate the assembled information to distinguish data that are directly relevant to specific estimates of particle transport from those that are only indirectly useful; and (iii) provide a synthesis of the currently available information on building air- leakage parameters and their effect on indoor particle matter concentrations.