Journal of Korean Society for Atmospheric Environment (한국대기환경학회지)

Korean Society for Atmospheric Environment (한국대기환경학회)
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Intercomparison of Carbonaceous Analytical Results using NIOSH5040, IMPROVE_A, EUSAAR2 Protocols

NIOSH5040, IMPROVE_A, EUSAAR2을 이용한 탄소 분석 결과 비교

  • Oh, Sea-Ho (Department of Environmental Engineering, Mokpo National University) ;
  • Park, Da-Jeong (Environmental Analysis Center, Gwangju Institute of Science and Technology) ;
  • Cho, Ji-Hye (Bio & Environmental Technology) ;
  • Han, Young-Ji (Department of Environmental Science, Kangwon National University) ;
  • Bae, Min-Suk (Department of Environmental Engineering, Mokpo National University)
  • Received : 2018.06.11
  • Accepted : 2018.06.13
  • Published : 2018.06.30
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Abstract

Elemental carbon (EC) and organic carbon (OC) thermal/optical methods for the analysis of ambient particulate matter were used to analyze twenty-two $PM_{2.5}$ samples along collected from May 28 to June 20 of 2016 at the Anmyeon measurement site ($36.32^{\circ}N$; $126.19^{\circ}E$). The three laboratory OCEC protocols, which are the National Institute of Occupational Safety and Health (NIOSH5040), the Interagency Monitoring of Protected Visual Environments_A(IMPROVE_A), and European Supersites for Atmospheric Aerosol Research2 (EUSAAR2), were utilized for the aerosol characterization experiment as in intercomparisons between three protocols. There are excellent agreement for total carbon (i.e. sum of EC and OC), but statistically significant differences were observed in the split between the measured EC and OC. IMPROVE_A EC values were always larger than both NIOSH5040 and EUSAAR2 protocols. These methods exhibited significantly different temperature-distributions based on thermogram analysis, which is normalized to total carbon. In this study, a protocol for carbonaceous analysis is suggested for the Korean Peninsula.

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References

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