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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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Size distributions of atmospheric particulate matter and associated trace metals in the multi-industrial city of Ulsan, Korea

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Title
Size distributions of atmospheric particulate matter and associated trace metals in the multi-industrial city of Ulsan, Korea
Author
Kwon, Hye-OkPark, Min-KyuKim, Seong-JoonChoi, JinsooOh, JunAhn, Joon-YoungChoi, Sung-Deuk
Issue Date
2019-06
Publisher
Korean Society of Environmental Engineers
Citation
ENVIRONMENTAL ENGINEERING RESEARCH, v.24, no.2, pp.331 - 338
Abstract
Particulate matter (PM) was collected using micro-orifice uniform deposit impactors from a residential (RES) site and an industrial (IND) site in Ulsan, South Korea, in September-October 2014. The PM samples were measured based on their size distributions (11 stages), ranging from 0.06 μm to over 18.0 μm. Nine trace metals (As, Se, Cr, V, Cd, Pb, Ba, Sb, and Zn) associated with PM were analyzed. The PM samples exhibited weak bimodal distributions irrespective of sampling sites and events, and the mean concentrations of total PM (TPM) measured at the IND site (56.7 μg/m3) was higher than that measured at the RES site (38.2 μg/m3). The IND site also showed higher levels of nine trace metals, reflecting the influence of industrial activities and traffic emissions. At both sites, four trace metals (Ba, Zn, V, and Cr) contributed to over 80% of the total concentrations in TPM. The modality of individual trace metals was not strong except for Zn; however, the nine trace metals in PM2.5 and PM10 accounted for approximately 50% and 90% of the total concentrations in TPM, respectively. This result indicates that the size distributions of PM and trace metals are important to understand how respirable PM affects public health.
URI
https://scholarworks.unist.ac.kr/handle/201301/27246
URL
http://eeer.org/journal/view.php?doi=10.4491/eer.2018.226
DOI
10.4491/EER.2018.226
ISSN
1226-1025
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UEE_Journal Papers
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