Distances (m)

Direction

Pb

Cd

Cr

Cu

Ni

Zn

0

^*Front

17,500 ± 3811

2.93 ± 0.69

30.8 ± 1.04

816 ± 293

5.50 ± 0.87

72.4 ± 20.2

10

370 ± 347

3.16 ± 1.38

7.83 ± 6.66

152 ± 164

5.50 ± 2.35

37.3 ± 20.6

20

220 ± 191

2.01 ± 1.35

2.00 ± 3.08

416 ± 149

5.75 ± 4.13

104 ± 83.9

30

63.8 ± 46.4

1.51 ± 0.63

18.9 ± 9.28

32.0 ± 8.94

6.88 ± 2.66

54.6 ± 15.6

50

86.3 ± 40.4

1.10 ± 0.29

9.25 ± 8.55

ND

5.88 ± 1.89

60.6 ± 48.7

75

405 ± 329

3.36 ± 1.67

23.8 ± 1.19

15.3 ± 15.9

7.13 ± 1.70

56.4 ± 30.6

0

^**Back

459 ± 147

2.38 ± 0.74

25.8 ± 5.3

31.8 ± 6.8

4.00 ± 0.71

31.2 ± 36.6

10

263 ± 125

1.93 ± 1.74

5.63 ± 3.84

7.50 ± 9.90

6.63 ± 3.71

47.8 ± 25.7

20

249 ± 45

3.21 ± 2.05

7.25 ± 6.65

ND

8.75 ± 6.51

31.4 ± 19.1

30

85.3 ± 33.1

3.26 ± 2.00

18 ± 11

ND

3.13 ± 0.75

23.2 ± 19.9

50

103 ± 65

3.61 ± 1.61

11.5 ± 3.85

ND

8.00 ± 3.89

22.4 ± 9.57

75

250 ± 22

2.41 ± 0.25

26.1 ± 5.7

165 ± 14

4.75 ± 2.22

22.3 ± 8.84

CTR

30 ± 8

7.85 ± 0.42

15.9 ± 4.91

8.25 ± 2.47

3.75 ± 0.35

21.7 ± 20.2