Cu Pb Zn Ni Co Mn As Th Sr V Cr Ba
Cu 1                      
Pb .55** 1                    
Zn .58** .67** 1                  
Ni .75** .52** .65** 1                
Co 0.18 0.1 0.24 .34* 1              
Mn 0.25 0.19 .43** .39** .91** 1            
As 0.13 0.16 0.09 0.13 -0.1 -0.13 1          
Th -0.08 -0.05 -0.13 -0.09 0.21 0.21 -0.11 1        
Sr .35** .37** .40** .53** 0.13 0.18 .36** -0.1 1      
V 0.14 0.18 .31* .27* .38** .42** .43** 0.01 .39** 1    
Cr 0.24 0.17 0.24 0.25 -0.14 -0.11 .58** -0.15 .31* .75** 1  
Ba .40** 0.24 .41** .59** .90** .80** -0.03 0.18 .38** .35* -0.1 1
**Correlation is significant at the 0.01 level (2-tailed) *Correlation is significant at the 0.05 level (2-tailed)
Table 3: Correlation matrix for selected metals in the soil samples.