Site 1

Site 2

Site 3

Site 4

Site 5

Lead

Min.

1.0

1.69

0.64

7.0

1.44

Max.

1.44

17.64

5.2

27.04

4.41

Mean

1.21

6.72

2.3

1.69

2.56

Median

1.21

6.25

1.6

1.44

2.56

Desv. est.

0.01

1.69

2.0

0.36

0.16

C.V.

0.49

6.24

8.5

21.16

5.29

Chromium

Min.

2.25

4.0

14.44

3.61

4.84

Max.

12.96

31.36

16.81

18.41

43.56

Mean

8.41

14.44

16.0

9.61

23.04

Median

10.24

14.44

16.0

9.61

28.09

Desv. est.

0.81

12.25

0.01

1.44

3.61

C.V.

10.81

16.0

0.16

16.0

16.0