Emission And Dispersion Of PAHs From Heavy Traffic Road
Author(s)
N. Ozaki, K. Nitta, T. Sugihara, T. Fukushima & T. Komatsu
Abstract
Emission and dispersion of PAHs from heavy
traffic road
N. Ozakil, K. Nittal, T. Sugiharal, T. Fukushima2 & T. Komatsu3
'Graduate school of Engineering, Hiroshima University, Japan.
21nstitute of Geoscience, University of Tsukuba, Japan.
3Graduate School of Science and Engineering, Saitarna University, Japan.
Abstract
In order to clarify the characteristics of the emission and dispersion of polycyclic
aromatic hydrocarbons (PAHs) from vehicle transportation activities, the atmospheric
concentration of PAHs was measured at roadside of a heavy traffic road.
The samplings were conducted in summer (July and August) and winter (November,
December, and January). Atmospheric particulate matters (fine particle, 0.6- 7
pm; coarse particl, over 7 pm) and deposited particulate matters were collected,
and their PAH concentration was measured. From the vehicle traffic data and emission
data, the emission load and dispersion profile were estimated. From the analysis,
source partitioning of each particulate m
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