General Information
    • ISSN: 2010-0264
    • Frequency: Bimonthly (2010-2014); Monthly (Since 2015)
    • DOI: 10.18178/IJESD
    • Editor-in-Chief: Prof. Richard Haynes
    • Executive Editor: Ms. Nancy Y. Liu
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Editor-in-chief
The University of Queensland, Australia
It is my honor to be the editor-in-chief of IJESD. The journal publishes good papers in the field of environmental science and development.
IJESD 2011 Vol.2(6): 465-468 ISSN: 2010-0264
DOI: 10.7763/IJESD.2011.V2.170

Polycyclic Aromatic Hydrocarbons (PAHs) from Vehicle Emission in the Vegetation of Highway Roadside in Johor, Malaysia

Azliyana Azhari, Mohd Noh Dalimin, and Seow Ta Wee

Abstract—Incomplete combustion of organic and fossil fuel produced a mixture of hazardous air pollutants including polycyclic aromatic hydrocarbons (PAHs). Abundance of PAHs occurrence in the atmosphere can be accumulated into vegetation. This research measures the concentration of PAHs collected in 8 selected species of plants to study the different composition of PAHs in different species of plant leaves to discover the ability of plants to absorb PAHs from the atmosphere. The study is concentrated on 3 toll station along PLUS’ North-South Expressway in Johor for 6 months. Samples were extracted with ultrasonic agitation in dichloromethane and fractionated according to polarity before submitted to gas chromatography – mass spectrometry analysis to determine the concentration of PAHs. From the series of experiments, it shows that the plant leaves samples from highway roadside air contains various types of PAHs. There are also presence of PAHs of car exhaust characteristics such as phenanthrene, fluorene, and pyrene. Plant leaves have the ability to absorb the organic pollutant to facilitate the removal or reduce the pollutants from the atmosphere.

Index Terms—Polycyclic Aromatic Hydrocarbons (PAHs), Vehicular-air pollution, plant leaves absorption.

A. Azhari and Seow T. W. are with the Faculty of Technology Management, Business and Entrepreneurship, Universiti Tun Hussein Onn Malaysia, 86400 Johor, Malaysia (azliyana.azhari@gmail.com).
M. N. Dalimin is with the Universiti Tun Hussein Onn Malaysia, 86400 Johor, Malaysia.

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Cite: Azliyana Azhari, Mohd Noh Dalimin, and Seow Ta Wee, "Polycyclic Aromatic Hydrocarbons (PAHs) from Vehicle Emission in the Vegetation of Highway Roadside in Johor, Malaysia," International Journal of Environmental Science and Development vol. 2, no. 6, pp. 465-468, 2011.

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