Comparison of the TSI Model 8520 and Grimm Series 1.108 portable aerosol instruments used to monitor particulate matter in an iron foundry

Journal of Occupational and Environmental Hygiene
Yu-Hsiang Cheng

Abstract

This study uses two real-time dust monitors, the TSI Model 8520 DustTrak and Grimm Series 1.108 Aerosol Spectrometer, to determine PM(10) and PM(2.5) levels simultaneously in an iron foundry. The SA Model 241 Dichotomous Sampler was used as a reference gravimetric method for comparing the measurement results obtained by these direct-reading instruments. The response to PM levels from DustTrak is higher than that of the Aerosol Spectrometer. The DustTrak provides an overestimation PM levels, and PM levels measured by an Aerosol Spectrometer are lower than actual concentrations. Calibration factors of the DustTrak and Aerosol Spectrometer are 0.74 and 1.33, respectively, when used to measure particulate matter at an iron foundry. Based on measurement results, the DustTrak provides a lower overestimation of PM(10) levels than PM(2.5) levels; that is, the response of the DustTrak increases as particle size decreases. In addition, measurement results suggest that the Aerosol Spectrometer provides precise measurements of PM(10) and PM(2.5), and measurement accuracy compared with the reference gravimetric method can be improved through a calibration factor.

References

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Citations

Nov 19, 2011·Environmental Science and Pollution Research International·Tao TangVolker Mersch-Sundermann
Aug 26, 2016·Environmental Science. Processes & Impacts·Prashant Kumar, Anju Goel
Oct 20, 2011·Journal of Environmental Monitoring : JEM·Peter GörnerGöran Lidén
Dec 19, 2017·Environmental Science. Processes & Impacts·Zhanyong WangDongfang Wang
Aug 14, 2019·Journal of the Air & Waste Management Association·Ahmed MehadiJulie Hunter
Jan 1, 2016·Aerosol Science and Technology : the Journal of the American Association for Aerosol Research·Sinan SousanThomas M Peters
Jul 1, 2021·Journal of Environmental Science and Health. Part. B, Pesticides, Food Contaminants, and Agricultural Wastes·Eui-Chul HongJi-Hyuk Kim

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Methods Mentioned

BETA
light scattering

Software Mentioned

DustTrak
DustTrak DustTrak

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