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QUANTITATION, DETECTION AND MEASUREMENT PRECISION OF ORGANIC MOLECULAR MARKERS IN URBAN PARTICULATE MATTER FROM PHILADELPHIA, PA
Citation:
LI, M., S. R. MCDOW, D. J. TOLLERUD, AND M. A. MAZUREK. QUANTITATION, DETECTION AND MEASUREMENT PRECISION OF ORGANIC MOLECULAR MARKERS IN URBAN PARTICULATE MATTER FROM PHILADELPHIA, PA. In Proceedings, Air & Waste Management Association 98th Annual Conference and Exhibition, Minneapolis, MN, June 21 - 24, 2005. Air & Waste Management Association, Pittsburgh, PA, 1-20, (2005).
Impact/Purpose:
1) Develop a TOA protocol that meets the basic assumptions of the method and peer review of the method, 2) understand the role of sampling, analysis, and blank subtraction on the differences between the IMPROVE and STN OC and EC results 3) Evaluate the use of light absorbance methods to estimate EC on human exposure samples, 4) develop a sensitive analytical method suitable for analysis of STN and micro-environmental samples for organic molecular markers, and 5) develop an optimum list of organic molecular markers for source apportionment of particulate matter.
Description:
This work focuses on analysis of organic molecular markers in airborne particulate matter (PM) by Gas Chromatography/Ion Trap Mass Spectrometry (GC/IT MS). The particulate samples used in the method development were collected as PM10 in metropolitan Philadelphia during 2000.