Journal of Korean Society for Atmospheric Environment (한국대기환경학회지)

Korean Society for Atmospheric Environment (한국대기환경학회)
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Characteristics of $PM_{2.5}$ in Kanghwa

강화에서의 $PM_{2.5}$ 특성

  • 최민규 (건국대학교 환경공학과 대기오염연구실) ;
  • 여현구 (건국대학교 환경공학과 대기오염연구실) ;
  • 임종억 (건국대학교 환경공학과 대기오염연구실) ;
  • 조기철 (동남보건대학 환경관리과) ;
  • 김희강 (건국대학교 환경공학과 대기오염연구실)
  • Published : 2000.06.01
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Abstract

In order to investigate the characteristics of PM(sub)2.5 in the background area, the following pollutant were measured from February 1996 to June 1999 in Kanghwa: PM(sub)2.5 mass, sulfate, nitrate, chloride, ammonium, sodium, calcium, magnesium and potassium. The mean concentration of PM(sub)2.5 mass was 25.8$\pm$1.2$\mu\textrm{g}$/㎥(range 5.18~85.74). This value was higher than the annual PM(sub)2.5 US NAAQS(15$\mu\textrm{g}$/㎥) and the total number of samples higher than the 24-h PM(sub)2.5 US NAAQS(65$\mu\textrm{g}$/㎥) was seven. PM(sub)2.5 masses also showed temporal variations both yearly and seasonally. Total water soluble ions constituted about 45% of PM(sub)2.5 miss, and sulfate, nitrate and ammonium were main components in water soluble ions. Compared with the literature data from other areas, the measured PM(sub)2.5 concentrations were relatively high.

Keywords

References

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