Seasonal characteristics of particulate polycyclic aromatic hydrocarbons (PAHs) in a petrochemical and oil refinery industrial area on the west coast of South Korea

The Daesan industrial complex is one of the largest petrochemical and oil refinery industrial complexes in South Korea, which is believed to be a major source of polycyclic aromatic hydrocarbons (PAHs). Total suspended particle (TSP) samples (n = 84) were seasonally collected at two industrial sites...

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Bibliographic Details
Published in:Atmospheric environment (1994) 2019-02, Vol.198, p.398-406
Main Authors: Thang, Phan Quang, Kim, Seong-Joon, Lee, Sang-Jin, Ye, Jin, Seo, Young-Kyo, Baek, Sung-Ok, Choi, Sung-Deuk
Format: Article
Language:English
Subjects:
Diagnostic ratio
Emission source
PAHs
Particles
Petrochemical industrial complex
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Summary:The Daesan industrial complex is one of the largest petrochemical and oil refinery industrial complexes in South Korea, which is believed to be a major source of polycyclic aromatic hydrocarbons (PAHs). Total suspended particle (TSP) samples (n = 84) were seasonally collected at two industrial sites and one residential site, and 19 PAHs were analyzed. Concentrations of individual PAHs ranged from 0.01 to 2.52 ng/m3, and annual mean concentrations of Σ19 PAHs at Sites 1, 2, and 3 were 5.88, 4.52, and 5.08 ng/m3, respectively. The concentrations of Σ19 PAHs in warm seasons (spring and summer) were lower than those in cold seasons (autumn and winter). Annual fractions of low molecular weight (LMW)-PAHs (2–3 rings, 12.1%) and high molecular weight (HMW)-PAHs (4–7 rings, 87.9%) indicated a strong contribution of thermal processes. Significant correlations between Σ19 PAHs and TSP (p 
ISSN:1352-2310
1873-2844
DOI:10.1016/j.atmosenv.2018.11.008