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Concentrations of Atmospheric Polycyclic Aromatic Hydrocarbons in Particulate Matter and the Gaseous Phase at Roadside Sites in Hanoi, Vietnam


We analyzed the concentrations of polycyclic aromatic hydrocarbons (PAHs) in both particulate matter (PM) and the gaseous phase at 10 roadside sites in Hanoi, Vietnam. The average concentrations of 47 PAHs (∑47PAHs) were 63 ± 82 ng m−3 in PM and 480 ± 300 ng m−3 in the gaseous phase. The PAHs mainly originated from motorcycles without catalytic converters. The highest concentrations of ∑47PAHs in both PM and the gaseous phase were observed at a terminal for buses and trucks. The operation of large commercial vehicles led to increased PAH pollution at the terminal site.

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Correspondence to Masao Kishida.

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Kishida, M., Imamura, K., Takenaka, N. et al. Concentrations of Atmospheric Polycyclic Aromatic Hydrocarbons in Particulate Matter and the Gaseous Phase at Roadside Sites in Hanoi, Vietnam. Bull Environ Contam Toxicol 81, 174–179 (2008).

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  • Gaseous phase
  • Hanoi
  • Particulate matter
  • Polycyclic aromatic hydrocarbons (PAHs)