Appendix D

Parameter	p^b
Gross Alpha
Quarter	0.76
January	0.99
February	0.67
March	1.00
Gross Beta
Quarter	0.35
January	0.87
February	0.89
March	1.00
a. See the Determining Statistical Differences of the Helpful Information section for details on the Kruskal-Wallis test. b. A 'p' value greater than 0.05 signifies no statistical difference between data groups.

TABLE D-2 Statistical difference in weekly LV air sample gross alpha concentrations measured at Boundary and Distant locations.

Mann-Whitney U Test^a
Parameter	Week	p^b
Gross Alpha
	January 7^th	0.63
	January 14^th	0.69
	January 21^st	0.78
	January 28^th	0.39
	February 4^th	0.57
	February 11^th	0.20
	February 18^th	0.95
	February 25^th	0.27
	March 3^rd	0.29
	March 10^th	0.86
	March 17^th	0.86
	March 24^th	0.27
	March 31^st	0.86
Gross Beta
	January 7^th	0.30
	January 14^th	0.39
	January 21^st	0.48
	January 28^th	0.20
	February 4^th	0.05
	February 11^th	0.78
	February 18^th	0.38
	February 25^th	0.55
	March 3^rd	0.17
	March 10^th	1.00
	March 17^th	1.00
	March 24^th	0.72
	March 31^st	0.27
a. See the Determining Statistical Differences of the Helpful Information section for details on the Mann Whitney U test. b. A ‘p’ value greater than 0.05 signifies no statistical difference between data groups. Red text indicates dates with significant statistically differences.