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Choi, Sung-Deuk
Environmental Analytical Chemistry Lab (EACL)
Research Interests
  • Persistent organic pollutants, Environmental Analysis and monitoring, Multimedia modeling

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Improving the spatial resolution of atmospheric polycyclic aromatic hydrocarbons using passive air samplers in a multi-industrial city

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Title
Improving the spatial resolution of atmospheric polycyclic aromatic hydrocarbons using passive air samplers in a multi-industrial city
Author
Choi, Sung-DeukKwon, Hye-OkLee, Yun-SePark, Eun-JeongOh, Joo-Yeon
Keywords
Acenaphthene; Acenaphthylene; Air concentrations; Air samplers; Atmospheric polycyclic aromatic hydrocarbons; Diagnostic ratios; Industrial area; Industrial city; Industrial complex; PAH emissions; PAHs; Passive air sampler; Polycyclic aromatic hydrocarbons(PAHs); Polyurethane Foam; Prevailing winds; Source-receptor relationships; South Korea; Spatial resolution; Ulsan
Issue Date
201211
Publisher
ELSEVIER SCIENCE BV
Citation
JOURNAL OF HAZARDOUS MATERIALS, v.241, no., pp.252 - 258
Abstract
The source-receptor relationship of polycyclic aromatic hydrocarbons (PAHs) in the industrial city has been generally investigated using active air samplers (AAS), but they only provide low spatial resolution data. In this study, the spatial resolution of PAHs was improved by the use of polyurethane foam based passive air samplers (PUF-PAS). We deployed 40 passive air samplers in duplicate at 20 sites in the largest industrial city of Ulsan, South Korea during winter (January 7-February 25, 2011). Among the 16 US-EPA priority PAHs, 13 compounds excluding naphthalene, acenaphthylene, and acenaphthene were selected for the calculation of air concentrations. The level of gaseous Sigma(13)PAHs in Ulsan (mean: 43 ng/m(3)) was not as high as we expected due to prevailing winds which transported large amounts of PAHs to the East Sea. The spatial distribution of PAHs, principal component analysis, and diagnostic ratios suggested the influence of PAH emissions from industrial complexes to the surrounding areas. This study demonstrated that the source-receptor relationship of PAHs in the industrial area can be more clearly understood using passive air samplers.
URI
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DOI
http://dx.doi.org/10.1016/j.jhazmat.2012.09.039
ISSN
0304-3894
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