| Our results suggest a possible causal link between airborne particulate matter from traffic and chronic respiratory symptoms. |
| First alveolar duct bifurcations have been shown to be a primary site of deposition for particulate matter and gaseous pollutants. |
| Conway said there is good evidence that fine particulate matter from Asia is landing in British Columbia. |
| As snow falls, it picks up whatever chemicals and particulate matter are in the atmosphere. |
| Each of these options may change the mass that would be counted as condensable particulate matter. |
| Figure 2 shows the emissions of particulate matter from fuelwood use in Bergen, divided by urban district. |
