What is Air Dispersion

What is Air Dispersion Modeling? Today a PhD student by the name of Roja Haritha answered this question in great detail. Air Dispersion Modeling is a method to analyze and evaluate concentrations of chemicals released into in the environment.  In addition to this lecture on Air Dispersion Modeling it was introduce to a program called Hotspot. The program Hotspot 2.07.2 will assist me in calculating the data once I have set certain parameters into the Hotspot system.