Characteristic of polycyclic aromatic hydrocarbon concentrations and source identification for fine and coarse particulates at Taichung Harbor near Taiwan Strait during 2004–2005

Fine (PM 2.5) and coarse (PM 2.5–10) particulate concentrations of ambient air polycyclic aromatic hydrocarbons (PAHs) were measured simultaneously from February 2004 to January 2005 at the Taichung Harbor (TH) sampling site near Taiwan of central Taiwan. Particle-bound polycyclic aromatic hydrocarb...

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Bibliographic Details
Published in:The Science of the total environment 2006-08, Vol.366 (2), p.729-738
Main Authors: Fang, Guor-Cheng, Wu, Yuh-Shen, Chen, Jyh-Cherng, Chang, Cheng-Nan, Ho, Tse-Tsung
Format: Article
Language:English
Subjects:
Air Pollutants - analysis
Applied sciences
Atmospheric pollution
Coal
Coarse particulate PM 2.5–10
Dust - analysis
Environmental Monitoring
Exact sciences and technology
Fine particulate (PM 2.5)
GC/MS
Harbor
PAHs
Particle Size
PCA
Petroleum
Pollution
Pollution sources. Measurement results
Polycyclic Aromatic Hydrocarbons - analysis
Power Plants
Taiwan
Taiwan Strait
Vehicle Emissions
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Summary:Fine (PM 2.5) and coarse (PM 2.5–10) particulate concentrations of ambient air polycyclic aromatic hydrocarbons (PAHs) were measured simultaneously from February 2004 to January 2005 at the Taichung Harbor (TH) sampling site near Taiwan of central Taiwan. Particle-bound polycyclic aromatic hydrocarbons (PAHs) were collected on quartz filters; the collected sample was Soxhlet extracted with a dichloromethane (DCM)/ n-hexane mixture (50 / 50, v/v) for 24 h, and then the extracts were analyzed by gas chromatography-mass spectrometry (GC-MS). The results indicated that vehicle emissions, coal combustion, incomplete combustion and pyrolysis of fuel and oil burning were the main source of PAHs near Taiwan Strait of central Taiwan. Diagnostic ratios and principal component analysis (PCA) were also used to characterize and identify PAHs emission sources in this study.
ISSN:0048-9697
1879-1026
DOI:10.1016/j.scitotenv.2005.09.075