Journal of Environmental Science International (한국환경과학회지)

The Korean Environmental Sciences Society (한국환경과학회)
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Comparative Evaluation of Gravimetric Measurement Samplers for Fine Particles by Sampling Flow Rates and Meteorological Conditions

샘플유량과 기상조건에 따른 미세먼지 중량 측정용 기구간의 농도 비교

  • Yang Won Ho (Department of Occupational Health, Catholic University of Daegu) ;
  • Kim Dae Won (Department of Environmental Science, Catholic University of Daegu) ;
  • Kim Jin Kuk (Department of Occupational Health, Catholic University of Daegu) ;
  • Yoon Chung Sik (Department of Occupational Health, Catholic University of Daegu) ;
  • Heo Yong (Department of Occupational Health, Catholic University of Daegu) ;
  • Lee Bu Yong (Department of Environmental Science, Catholic University of Daegu)
  • 양원호 (대구가톨릭대학교 산업보건학과) ;
  • 김대원 (대구가톨릭대학교 환경과학과) ;
  • 김진국 (대구가톨릭대학교 산업보건학과) ;
  • 윤충식 (대구가톨릭대학교 산업보건학과) ;
  • 허용 (대구가톨릭대학교 산업보건학과) ;
  • 이부용 (대구가톨릭대학교 환경과학과)
  • Published : 2005.01.01
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Abstract

Several samplers using gravimetric methods such as high-volume air sampler, MiniVol portable sampler, personal environmental monitor(PEM) and cyclone were applied to determine the concentrations of fine particles in atmospheric condition. Comparative evaluation between high-volume air sampler and Minivol portable sampler for $PM_{10}$, and between Minivol portable sampler and PEM was undertaken from June, 2003 to January 2004. Simultaneously, meteorological conditions such as wind speed, wind direction, relative humidity and temperature was measured to check the factors affecting the concentrations of fine particles. In addition, particle concen­trations by cyclone with an aerodynamic diameter of $4{\mu}m$ were measured. Correlation coefficient between high­volume air sampler and portable air sampler for $PM_{10}$ was 0.79 (p<0.001). However, the mean concentration for $PM_{10}$ by high-volume air sampler was significantly higher than that by Minivol portable sampler (p=0.018). Correlation coefficient between Minivol portable sampler and PEM for $PM_{2.5}$ as 0.74 (p<0.001), and the measured mean concentrations for $PM_{2.5}$ did not show significant difference. Difference of the measured con­centrations of fine particle might be explained by wind speed and humidity among meteorological conditions. Particle concentration differences by measurement samplers were proportional to the wind speed, but inversely proportional to the relative humidity, though it was not a significant correlation.

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