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A Comparison Study of Aerosol Samplers for PM10 Mass Concentration Measurement  

Park, Ju-Myon (Department of Environmental Engineering, YIEST, Yonsei University)
Koo, Ja-Kon (Department of Environmental Engineering, YIEST, Yonsei University)
Jeong, Tae-Young (Department of Environmental Engineering, YIEST, Yonsei University)
Kwon, Dong-Myung (Department of Environmental Engineering, YIEST, Yonsei University)
Yoo, Jong-Ik (Department of Environmental Engineering, YIEST, Yonsei University)
Seo, Yong-Chil (Department of Environmental Engineering, YIEST, Yonsei University)
Publication Information
Journal of Korean Society of Environmental Engineers / v.31, no.2, 2009 , pp. 153-160 More about this Journal
Abstract
A PM10 (aerodynamic diameter${\leq}$10 ${\mu}m$) sampler is used to quantify the potential human exposure to suspended particulate matter (PM) and to comply with the governmental regulation. This study was conducted to compare and evaluate the same PM10 cutpoint and different slopes between United States Environmental Protection Agency (USEPA) PM10 sampling criterion and American Conference of Governmental Industrial Hygienists/$Comit\acute{e}$ $Europ\acute{e}en$ de Normalization/International Organization for Standardization thoracic PM10 sampling criterion through theory and experiment. Four PM10 samplers according to the USEPA criterion and one RespiCon sampler in accordance with the thoracic PM10 criterion were used in the present study. In addition, one DustTrak monitor was used to measure real time PM10 mass concentrations. All six aerosol samplers were tested in a PM generation chamber using polydisperse fly ash. Theoretical mass concentrations were calculated by applying the measured particle size distribution characteristics (geometric mean = 6.6 ${\mu}m$, geometric standard deviation = 1.9) of fly ash to each sampling criterion. The measured mass concentrations through a chamber experiment were consistent with theoretical mass concentrations in that a RespiCon sampler with the thoracic PM10 criterion collected less PM than a PM10 sampler with the USEPA criterion. The overall chamber experiment results indicated, when a PM10 sampler was used as a reference sampler, that (1) a RespiCon sampler had a normalizing factor of 1.6, meaning that this sampler underestimated an average 60% of PM10 mass sampled from a PM10 sampler, and (2) a DustTrak real-time monitor using a PM10 inlet had a calibration factor of 2.1.
Keywords
PM10 Sampler; Thoracic Sampler; Real-time Monitor; Particulate Matter; Sampling Criterion;
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