Table 1.

Skewness and Kurtosis in the Study-Long Distribution of PM Mass Concentration and PSD data for TRAP and FA Reported As Average (Avg) and Standard Error in the Mean (SEM)

	PM mass concentrations				particle size distributions
	skewness		kurtosis		skewness		kurtosis
source	avg	SEM	avg	SEM	avg	SEM	avg	SEM
TRAP	1.23	0.02	5.7	0.1	3.13	0.01	17.26	0.06
FA	1.47	0.02	13.3	0.4	3.54	0.01	17.53	0.05