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논문 기본 정보

자료유형
학술저널
저자정보
Hye-Ok Kwon (Ulsan National Institute of Science and Technology) Min-Kyu Park (Ulsan National Institute of Science and Technology) Seong-Joon Kim (Ulsan National Institute of Science and Technology) Jinsoo Choi (National Institute of Environmental Research) Jun Oh (National Institute of Environmental Research) Joon-Young Ahn (National Institute of Environmental Research) Sung-Deuk Choi (Ulsan National Institute of Science and Technology)
저널정보
대한환경공학회 Environmental Engineering Research Environmental Engineering Research 제24권 제2호
발행연도
2019.6
수록면
331 - 338 (8page)

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초록· 키워드

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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 PM<SUB>2.5</SUB> and PM<SUB>10</SUB> 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.

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ABSTRACT
1. Introduction
2. Materials and Methods
3. Results and Discussion
4. Conclusions
References

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UCI(KEPA) : I410-ECN-0101-2019-539-000342611