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. Author manuscript; available in PMC: 2013 Jan 3.
Published in final edited form as: Environ Sci Technol. 2011 Dec 13;46(1):250–258. doi: 10.1021/es202554c

Table 3.

Mass Concentrations of IEPOX-derived SOA Tracer Compounds in a Representative Ambient PM2.5 Sample Collected in Yorkville, GA (YRK) during the Summer of 2010

IEPOX SOA tracers mass conc. (ng m−3)
2-methyltetrols 330
C-5 alkene triols 290
3-MeTHF-3,4-diols 27
dimers 0.50
Organosulfate derivatives of 2-methyltetrols 72
Organosulfate derivatives of dimers 5.0
Σ IEPOX SOA tracers (ngC m−3) 340
OC (μgC m−3) 4.3
Σ IEPOX SOA tracers/OC 7.9 %