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The cattle feedlot industry is under increased scrutiny and regulatory involvement at state and national levels with regard to particulate matter (PM) emissions from fugitive sources. Concentrations of total suspended particulate matter (TSP) and PM less than 10 micrometers (PM10) aerodynamic equivalent diameter (AED) were measured, using high volume samplers and Sierra Andersen samplers, respectively. Particle size distributions of dust captured on sampler filters were measured with a Coulter Counter model TAII. Mass median diameters for high volume and PM10 samplers averaged 9.5 1.5 and 6.9 0.8 m (AED), respectively. Three cattle feedlots (17,000 to 40,000 head capacity) in the Southern Great Plains were used in the study.
author list (cited authors)
Sweeten, J. M., Parnell, C. B., Shaw, B. W., & Auvermann, B. W.