Sampling locations

Cu

Mg/kg

Pb

Mg/kg

Cd

Mg/kg

Co

Mg/kg

Mn

Mg/kg

Zn

Mg/kg

Ni

Mg/kg

Cr

Mg/kg

Fe

Mg/kg

BS1

10.689

2.05

0.008

10.62

273.21

29.493

21.167

16.56

7916.3

BS2

15.85

2.34

0.008

20.04

1221.6

44.52

29.37

19.09

10,116.3

BS3

9.291

1.49

0.008

11.47

658.23

30.29

13.83

12.59

3313.67

BS4

8.035

4.93

0.008

7.912

759.07

32.36

11.11

9.47

5320.84

BS5

7.85

0.94

0.008

9.72

623.56

23.59

11.07

12.43

3591.07

BS6

5.51

1.81

0.008

6.4

1174.2

30.13

7.99

9.47

3362.29

BS7

4.667

1.13

0.008

6.52

408.33

10.24

7.37

12.78

3460.34

BS8

6.796

1.279

0.008

9.96

1073.5

21.92

9.93

8.52

2106.01

BS9

5.59

0.29

0.008

8.33

487.04

14.946

8.87

37.14

1613.55

BS10

11.38

1.749

0.008

17.07

772.22

31.41

15.73

13.01

2294.46

ANZECC Low std.

65

50

1.5

-

-

200

21

80

-

ARCS TEL

-

-

-

-

630

-

-

-

18,840,000

Mean

8.57

1.80

0.008

10.80

745.10

26.99

13.64

15.11

4309.48

Std. Error of mean

1.07

0.39

-

1.41

102.47

3.06

2.18

2.65

863.20

t-statistic

−52.67

−122.25

-

-

1.12

−56.48

−3.368

−24.456

−21,820.70

df

9

9

-

-

9

9

9

9

9

p-value

0.000

0.000

-

-

0.290

0.000

0.008

0.000

0.000