Third Quarter 2009
INL Quarterly Site Environmental Report
Return to Index

APPENDIX D
STATISTICAL ANALYSIS RESULTS

TABLE D-1    Results of the Kruskal-Wallace statistical test between INL Site, Boundary and Distant sample groups by month.

Parameter

Pa

Gross Alpha

Quarter

0.23

July

0.15

August

0.79

September

0.33

Gross Beta

Quarter

0.18

July

0.45

August

0.54

September

0.18

a.     A 'p' value greater than 0.05 signifies no statistical difference between data groups.

 

 

 

 

 

 

 

 

 

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

 

 

 

Mann-Whitney U test

Parameter

Week

Pa

Gross Alpha

 

July 1

0.12

 

July 8

0.07

 

July 15

0.26

 

July 22

0.13

 

July 29

0.06

 

August 5

0.01

 

August 12

0.08

 

August 19

0.67

 

August 26

0.67

 

September 2

0.32

 

September 9

0.20

 

September 16

0.05

 

September 23

0.94

 

September 30

0.72

Gross Beta

 

July 1

0.07

 

July 8

0.07

 

July 15

0.52

 

July 22

0.75

 

July 29

0.52

 

August 5

0.15

 

August 12

0.75

 

August 19

0.15

 

August 26

0.77

 

September 2

0.62

 

September 9

1.00

 

September 16

0.83

 

September 23

0.75

 

September 30

0.94

a.     A 'p' value greater than 0.05 signifies no statistical difference between data groups.

 

Third Quarter 2009
INL Quarterly Site Environmental Report
Return to Index