Bulk deposition of polycyclic aromatic hydrocarbons (PAHs) in an industrial site of Turkey
2008
Esen, F. | Cindoruk, S.S. | Tasdemir, Y.
Ambient air and deposition samples were collected in the period of July 2004-May 2005 in an industrial district of Bursa, Turkey and analyzed for polycyclic aromatic hydrocarbon (PAH) compounds. The overall average of fourteen bulk deposition fluxes for PAHs was 3300 ± 5100 ng m-2 d-1. PAH depositions showed a seasonal variation and they were higher in winter months. This was probably due to increases in residential heating activities and decreases in atmospheric mixing layer levels. Ambient air samples, measured with a high volume air sampler, were collected from the same site. The average total concentration including gas and particulate phase was about 300 ± 420 ng m-3 and it was in the range of previously reported values. Some of the ambient air and bulk deposition samples were collected simultaneously in dry periods. Both concurrently measured values were used to calculate the dry deposition velocities whose overall average value was 0.45 ± 0.35 cm s-1. Bulk deposition fluxes of PAHs were measured in an industrial area and deposition velocities of PAHs were reported.
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