Table 2.

Mean and Standard Deviation Summary Statistics for the Pollutant Source Concentrations, Atlanta, Georgia, January 2002–June 2010^a

Source	Minimum	Median	Mean	Maximum	SD	IQR	Correlationb Between Ensemble Runs
Biomass burning	0.000 (0.000)	1.894 (0.023)	2.723 (0.024)	32.103 (5.933)	2.643 (0.085)	2.600 (0.070)	0.752
Primary coal combustion	0.000 (0.000)	0.092 (0.001)	0.126 (0.001)	1.228 (0.173)	0.124 (0.001)	0.134 (0.003)	0.737
Dust/resuspended soil	0.000 (0.000)	0.252 (0.001)	0.378 (0.001)	7.045 (1.244)	0.463 (0.010)	0.273 (0.004)	0.981
Diesel-fueled vehicles	0.000 (0.000)	0.810 (0.014)	1.038 (0.005)	9.856 (0.916)	0.970 (0.015)	0.995 (0.033)	0.744
Gasoline-fueled vehicles	0.013 (0.009)	0.654 (0.011)	0.797 (0.006)	6.843 (0.675)	0.689 (0.010)	0.647 (0.009)	0.764
Secondary organic carbon	0.000 (0.000)	1.352 (0.009)	1.620 (0.013)	27.578 (1.071)	1.619 (0.013)	1.991 (0.055)	0.747

Abbreviations: IQR, interquartile range; SD, standard deviation.

^a Averaged across 10 ensemble runs. All results are reported in µg/m³.

^b Mean Spearman correlation calculated from all pairwise runs.