Comparison of Measured Total Suspended Particulate Matter Concentrations Using Tapered Element Oscillating Microbalance and a Total Suspended Particulate Sampler

Date
2006-01-01
Authors
Jerez, Sheryll
Zhang, Yuanhui
McClure, Joshua
Jacobson, Larry
Heber, Albert
Koziel, Jacek
Hoff, Steven
Koziel, Jacek
Beasley, David
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Food Science and Human NutritionCivil, Construction and Environmental EngineeringAgricultural and Biosystems EngineeringToxicology
Abstract

A comparison of the concentration of the total suspended particulate (TSP) matter measured by the tapered element oscillating microbalance (TEOM) monitor and the isokinetic TSP samplers developed at the University of Illinois was carried out in several types of confinement livestock buildings. In a majority of the measurements done, the dust concentration measured by the TEOM monitor was lower than the University of Illinois at Urbana-Champaign (UIUC) isokinetic TSP sampler; the TEOM monitor tended to underestimate the total dust concentration by as much as 54%. The difference in measurements can be attributed to the sampling efficiency of the TEOM monitor sampling head and the loss of some semivolatile compounds and particle-bound water because of heating of the TEOM monitor sampling stream to 50 °C. Although several articles in the literature supported the latter argument, this study did not investigate the effect of heating the sampling stream or the effect of moisture on the relative difference in dust concentration measurements. The model that best describes the relationship between the two methods was site specific, that is, the linear regression model was applicable only to four of the sites monitored. The measured total dust concentration in livestock buildings range from ∼300 to 4000 μg/m3; a higher correlation coefficient between TEOM-TSP and UIUC-TSP monitors was obtained in swine facilities than those obtained in a laying facility.

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This is the peer-reviewed version of the following article: Jerez, Sheryll B., Yuanhui Zhang, Joshua W. McClure, Larry Jacobson, Albert Heber, Steven Hoff, Jacek Koziel, and David Beasley. "Comparison of measured total suspended particulate matter concentrations using tapered element oscillating microbalance and a total suspended particulate sampler." Journal of the Air & Waste Management Association 56, no. 3 (2006): 261-270, which has been published in final form at 10.1080/10473289.2006.10464460. This article may be used for non-commercial purposes in accordance with Wiley Terms and Conditions for Self-Archiving.

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