The contribution of nearby vehicle traffic to indoor airborne volatile organic compound levels and to personal exposures was examined to determine the importance of this source. Indoor and outdoor levels of selected VOCs, aldehydes, ketones, and ethanol were measured at ten homes in Toronto, on sidewalks near the traffic source, indoors and in the backyards or balconies of apartments (outdoors). Concurrently, air exchange rates were measured at each home with a perfluorocarbon tracer method. The results indicate that the impact of traffic on human exposures is potentially large, compared to the impact of general background urban air pollutants.
Contribution of traffic emissions to indoor airborne VOCs
1998
Seiten
Aufsatz (Konferenz)
Englisch
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