Appendix D

	Parameter	p^b
	Gross Alpha
	Quarter	0.49
	April	0.10
	May	0.99
	June	0.82
	Gross Beta
	Quarter	0.95
	April	0.65
	May	0.89
	June	1.00
a. See the Determining Statistical Differences of the Helpful Information section for details on the Kruskal-Wallace test and a description of each test statistic. 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 and gross beta concentrations measured at Boundary and Distant locations.

		Mann-Whitney U test^a
Parameter	Week	p^b
Gross Alpha
	April 6^th	0.72
	April 13^th	0.89
	April 20^th	0.25
	April 27^th	0.67
	May 4^th	0.83
	May 11^th	0.52
	May 18^th	0.63
	May 25^th	0.09
	June 1^st	0.39
	June 8^th	0.89
	June 15^th	0.58
	June 22^nd	0.25
	June 29^th	0.12
Gross Beta
	April 6^th	0.15
	April 13^th	0.28
	April 20^th	0.09
	April 27^th	0.48
	May 4^th	0.62
	May 11^th	0.94
	May 18^th	0.26
	May 25^th	0.15
	June 1^st	0.25
	June 8^th	0.004
	June 15^th	0.36
	June 22^nd	1.00
	June 29^th	0.22
a. See the Determining Statistical Differences of the Helpful Information section for details on the Mann-Whitney U test and a description of each test statistic. b. A 'p' value greater than 0.05 signifies no statistical difference between data groups.