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J Air Waste Manag Assoc

Title:		Semi-volatile species in PM(2.5): comparison of integrated and continuous samplers for PM(2.5) research or monitoring
Author(s):		Pang Y; Ren Y; Obeidi F; Hastings R; Eatough DJ; Wilson WE;
Address:		"Department of Chemistry and Biochemistry, Brigham Young University, Provo, Utah, USA"
Journal Title:		J Air Waste Manag Assoc
Year:		2001
Volume:		51
Issue:		1
Page Number:		25 - 36
DOI:		10.1080/10473289.2001.10464252
ISSN/ISBN:		1096-2247 (Print) 1096-2247 (Linking)
Abstract:		"Fine particles in urban atmospheres contain substantial quantities of semi-volatile material [e.g., NH4NO3 and semi-volatile organic compounds (SVOCs)] that are lost from particles during collection on a filter. Several diffusion denuder samplers have been developed for the determination of both NO3- and organic semi-volatile fine particulate components. The combination of technology used in the BOSS diffusion denuder sampler and the Harvard particle concentrator has resulted in the Particle Concentrator-Brigham Young University Organic Sampling System (PC-BOSS) for the 24-hr (or less) integrated collection of PM2.5, including NH4NO3 and semi-volatile organic material. Modification of the BOSS sampler allows for the weekly determination of these same species. Combination of BOSS denuder and tapered element oscillating microbalance (TEOM) monitor technology has resulted in the real-time ambient mass sampler (RAMS) for the continuous measurement of PM2.5, including the semi-volatile components. Comparison of the results obtained with the BOSS and with each of the newly developed modifications of the BOSS indicates that the modified versions can be used for the continuous, daily, or weekly monitoring of PM2.5, including semi-volatile species, as appropriate to the design of each sampler"
Keywords:		"Air Pollutants/*analysis Algorithms Environmental Monitoring/*instrumentation/methods Humans Infant, Newborn Particle Size;"
Notes:		"MedlinePang, Y Ren, Y Obeidi, F Hastings, R Eatough, D J Wilson, W E eng Evaluation Study Research Support, U.S. Gov't, Non-P.H.S. 2001/02/24 J Air Waste Manag Assoc. 2001 Jan; 51(1):25-36. doi: 10.1080/10473289.2001.10464252"