We have conducted a study to characterize the airborne and settleable particulate matter generated by vehicles on the road, to evaluate the importance of non-exhaust airborne material from vehicles, and to identify the vehicle types producing various airborne particulate species. Two tunnels -- the Allegheny Tunnel of the Pennsulvania Turnpike and the Detroit & Canada Tunnel -- were utilized to isolate the motor vehicle from other sources of particulate matter. Experiments also were performed at sites in the open. The most important conclusions are: Conclusions regarding Br/Pb ratios, Zn, Ba, sulfate, and particle size of the airborne and settled material and certain chemical components are presented.
Particulate Matter Associated with Vehicles on the Road
Sae Technical Papers
1976 Automotive Engineering Congress and Exposition ; 1976
1976-02-01
Aufsatz (Konferenz)
Englisch
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