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Performance Characteristics of Low-Volume PM10 Inlet and TEOM Continuous PM Sampler

Published by the American Society of Agricultural and Biological Engineers, St. Joseph, Michigan

Citation:  Paper number  034118,  2003 ASAE Annual Meeting . (doi: 10.13031/2013.15042) @2003
Authors:   Calvin B. Parnell, Jr., Ronald E Lacey, Bryan W. Shaw
Keywords:   pollution, particulate matter, PM10 sampler, TSP sampler, TEOM sampler, mass median diameter, under-sampling and over-sampling

Four identical PM10 pre-separators, along with four identical low-volume (1m3/hr) total suspended particulate (TSP) samplers and two Tapered Element Oscillation Method (TEOM) samplers-one with TSP inlet, one with PM10 inlet were tested side-by-side in a controlled laboratory dust chamber. The four PM10 and four TSP samplers were also tested in an oil pipe-cleaning field to evaluate the PM10 samplers performance characteristics. The dusts used in the chamber tests had MMDs larger than 10 m, whereas the dust emitted from oil pipe cleaning system for the field tests had MMDs smaller than 10 m. The co-located TSP/PM10 sampler testing results indicate that PM10 samplers over-sample when exposed to ambient PM having mass median diameters (MMDs) larger than 10 m aerodynamic equivalent diameter (AED) and under-sample when exposed to ambient PM with MMD smaller than 10 m. The over-sampling / under-sampling rates varied with the change of MMD and the dust loading (TSP concentration). The cut-points and slopes of the PM10 preseparator changed with the change of MMDs of inlet particulate matter (PM). The comparison of TEOM and TSP results indicates that TEOM/TSP yielded excellent agreement measurement with TSP samplers.

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