%0 Conference Proceedings %A Tracy L Thatcher %A Melissa M Lunden %A Richard G Sextro %A Susanne V Hering %A Nancy J Brown %B Proceedings of the Indoor Air 2002 Conference, Monterey, CA %D 2002 %G eng %I Indoor Air 2002, Santa Cruz, CA %P 846-851 %S Indoor Air 2002 Conference, Monterey, CA %T The effect of penetration factor, deposition, and environmental factors on the indoor concentration of pm2.5 sulfate, nitrate, and carbon %V 1