Analytical modeling of human exposure from short-term point source releases of aerosols from household spray products

Abstract

Indoor air measurements of aerosols emitted from the use of household spray products are expensive and time-consuming. An analytical model was developed and incorporated into a graphical user interface to quantify exposure as a function of distance and time. The model considered point-source dispersion with reflection from a wall and aerosol concentration decay due to air exchange rate and deposition. Aerosol concentration decreased with respect to increase in time and distance from the release point. There was no significant difference between the developed model and experimental results. The developed model could be used to adequately predict indoor human exposure to aerosols as a function of distance and time.