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

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Spatially high-resolved monitoring and risk assessment of polycyclic aromatic hydrocarbons in an industrial city

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Title
Spatially high-resolved monitoring and risk assessment of polycyclic aromatic hydrocarbons in an industrial city
Author
Tuyet Nam Thi NguyenKwon, Hye-OkLammel, GerhardJung, Kun-SikLee, Sang-JinChoi, Sung-Deuk
Issue Date
2020-07
Publisher
ELSEVIER
Citation
JOURNAL OF HAZARDOUS MATERIALS, v.393, pp.122409
Abstract
Polycyclic aromatic hydrocarbons (PAHs) were monitored at 20 sites in semi-rural, urban, and industrial areas of Ulsan, the largest industrial city in South Korea, for one year. The target compounds were the 16 priority PAHs designated by the US Environmental Protection Agency except for naphthalene, acenaphthene, and acenaphthylene. Gaseous PAHs collected using polyurethane foam-based passive air samplers (PUF-PASs) and particulate PAHs predicted using gas/particle partitioning models were used to estimate the human health risks. The mean total cancer risk through inhalation intake and dermal absorption for all target age groups (children, adolescents, adults, and lifetime) ranged from 0.10 x 10(-7) to 2.62 x 10(-7), lower than the acceptable risk level (10(-6)), thus representing a safe level for residents. The cancer risk through dermal absorption and inhalation intake was predicted to be highest in winter, mostly due to the higher concentrations of PAHs, especially high-molecular-weight species with greater toxicity. Additionally, gaseous and particulate PAHs contributed more to dermal absorption and inhalation intake, respectively. As a consequence of local emissions and advection, the risks were higher in the industrial and semi-rural areas. This study suggests that human health risks can be cost-effectively mapped on a local scale using passive air sampling.
URI
https://scholarworks.unist.ac.kr/handle/201301/32346
URL
https://www.sciencedirect.com/science/article/pii/S0304389420303976?via%3Dihub
DOI
10.1016/j.jhazmat.2020.122409
ISSN
0304-3894
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