Methods available for identifying populations at risk from airborne pollutants
| • Physical monitoring and modelling |
| Air monitoring of the plume |
| Wind tunnel experiments using scale models of the pollution source and surroundings |
| • Environmental monitoring and modelling |
| Soil, vegetation, air, or water sampling at various sites |
| Contour plots drawn using the information derived from the sampling sites that identify exposed populations |
| • Mathematical modelling |
| Geometric patterns such as concentric rings of varying radii |
| Wind direction and distance from point source calculated for several sites and theoretical contour plots calculated defining exposed populations; such models may also include information about the height and temperature of the fumestack, composition of the waste being burnt etc |