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KMID : 0382420000260030018
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Korean Journal of Environmental Health Society
2000 Volume.26 No. 3 p.18 ~ p.24
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Study on the Characteristics of Concentrations and Compositions in PM10 in Kunsan City
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Kim Seong-Cheon
Kang Dal-Sun
Song Jae-Jong
Lim Seong-Ho
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Abstract
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The collection of PM_10 samples were collected by a PM_10 hi-vol. air sampler from June, 1998 through May, 1999 in Kunsan located at western coastal region of Korea. We obtained 84 samples during sampling period. Samples were analyzed to quantify the concentration of ionic and metallic components such as SO_4^2-, NO_3^-, Cl^-, NH_4^+, K^+, Na^+, Mg^2+, Zn, Cd, Cr, Pb and Fe. Seasonal variations of the concentrations by wind directions of each component were studied. We found that PM_10 concentration had the highest level in winter and the lowest level in summer. When the wind direction is from west to east, the concentration of most ionic and metallic species were higher compared to reverse direction. That implied the effect of air pollutants from industrial area. Also, substantial amount of Na^+ and Cl^+ were observed, which was assumed to the effect from the sea.
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KEYWORD
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