Particle and aerosol research (한국입자에어로졸학회지)

Korean Association for Particle and Aerosol Research (한국입자에어로졸학회)
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Estimation of PM2.5 Correction Factor for Optical Particle Counter in Ambient Air

대기환경에서 광산란 미세먼지 측정기의 PM2.5 보정계수 산정

  • Kim, Jong Bum (Seahaean Research Institute, ChungNam Institute) ;
  • Kim, Danbi (Air Quality Research Department, National Institute of Environmental Research (NIER)) ;
  • Noh, Sujin (Department of Occupational and Environmental Health, Yongin University) ;
  • Yoon, Kwan Hoon (APM Engineering Co., Ltd.) ;
  • Park, Duckshin (Transportation Environmental Research Team, Korea Railroad Research Institute (KRRI)) ;
  • Lee, Jeong Joo (Department of Occupational and Environmental Health, Yongin University) ;
  • Kim, Jeongho (Fine Particle Lab, Co., Ltd.)
  • 김종범 (충남연구원 서해안기후환경연구소) ;
  • 김단비 (국립환경과학원 기후대기연구부) ;
  • 노수진 (용인대 산업환경보건학과) ;
  • 윤관훈 ((주)에이피엠엔지니어링) ;
  • 박덕신 (한국철도기술연구원 교통환경연구팀) ;
  • 이정주 (용인대 산업환경보건학과) ;
  • 김정호 ((주)미세먼지연구소)
  • Received : 2020.04.27
  • Accepted : 2020.06.15
  • Published : 2020.06.30
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Abstract

Various devices have been developed to the measurement of particulate matter pollutants, and Optical Particle Counter (OPC) that can be easily and quickly measured is widely used lately. The measured value by OPC is converted to weight concentration using the correction factor (CF). The calculation of CF is very important to improve the reliability and accuracy of OPC. In this study, the CF calculation study of light scattering laser photometer (model 8533, TSI) was carried out to measure in the atmospheric environment using 2 gravimetric devices and 3 light scattering laser photometer devices. Regression analysis and Tukey tests were used to significance the test of measurement devices. Measurements were carried out twice. There was a comparative analysis of measurement data between light scattering laser photometer and gravimetric devices in 1st measurement, and then the Evaluation of PM2.5 concentration corrected by CF performed in 2nd measurement. As a result of the significance analysis between light scattering laser photometer and gravimetric devices, the correlation between the same method was high, but the correlation between different methods was low. CF was calculated as 0.4258 based on the measurement results, and it is a similar level to previous studies at home and abroad. It is expected that these results can be used as basic data in the future study for air quality measurement research using light scattering laser photometer. Also, in order to improve the accuracy of the measurement techniques and the development of technology in the atmospheric environment, CF calculation research should be conducted continuously.

Keywords

References

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