%0 Report %K Particles %K Exposure assessment %K Air infiltration %K Indoor environment %K Mass-balance model %A Tracy L Thatcher %A Thomas E McKone %A William J Fisk %A Michael D Sohn %A William W Delp %A William J Riley %A Richard G Sextro %D 2001 %G eng %T Factors Affecting the Concentration of Outdoor Particles Indoors (COPI): Identification of Data Needs and Existing Data %2 LBNL-49321 %8 12/2001