Journal of Environmental Health Sciences (한국환경보건학회지)

Korean Society of Environmental Health (한국환경보건학회)
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Study on Investigation and Characteristics of Metallic Elements in Industrial Complex

공업도시의 금속원소 조사와 특성 연구

  • Kim, Seong-Cheon (Department of Environmental Engineering, Gunsan National University)
  • Received : 2011.03.17
  • Accepted : 2011.06.20
  • Published : 2011.06.30
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Abstract

Objectives: In this study, the size distribution of airborne particulates ($PM_{10}$) was measured by using Cascade Impactors. The purpose of this study was to assess the size distribution of metal and ionic materials of $PM_{10}$. Methods: Samples were collected in the Kunsan industrial complex from April 2006 to January 2007. Results: The mass fraction of $PM_{10}$ had a bimodal distribution between 2.1-3.1 ${\mu}M$, and the average mass fraction of particles less than 2.1-3.1 ${\mu}M$ was 47%. Average concentrations of PM10 were 68.05 ${\mu}g/m^3$ and seasonal concentration 95.44 ${\mu}g/m^3$ for spring, 49.03 ${\mu}g/m^3$ for summer, 81.99 ${\mu}g/m^3$ for fall, 52.66 ${\mu}g/m^3$ for winter, respectively. Conclusions: Seasonal variations of $PM_{10}$ were significant for showing peak values in spring. The average concentrations of Cd, Cr, Pb, and Fe were 1.54, 4.51, 14.11, and 254.3 $ng/m^3$, respectively. The ratios of fine particles to total mass were 0.47 for $PM_{10}$, 0.45 for Cr, and 0.16 for Fe, 0.91 for Cd and 0.49 for Pb, respectively.

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