SN

Location

Li

V

Cr

Mn

Fe

Co

Ni

Cu

Zn

As

Sr

Cd

Ba

Pb

1

Idabato II

12.11

0.60

0.30

53.38

99.22

4.12

0.32

98.54

5.47

17.04

754.41

0.01

27.29

0.22

2

Ngosso II

0.64

0.61

0.87

47.75

229.76

0.55

2.47

6.30

20.29

0.36

24.57

0.10

1.77

0.96

3

Akwa-1

0.71

0.19

0.41

13.42

6516.33

0.54

2.45

4.77

23.00

0.19

11.13

0.06

6.29

1.30

4

Akwa-2

1.92

0.15

0.33

84.36

1245.06

1.06

2.73

10.39

470.37

0.08

76.84

0.08

91.30

2.68

5

Akwa-3

1.99

0.11

0.14

120.26

2136.29

2.14

0.69

1.65

7.72

0.15

102.91

0.02

13.95

0.81

6

Mbenmong

2.00

0.07

0.24

9.73

155.13

0.24

0.77

40.96

41.04

0.01

6.89

0.03

7.35

3.14

7

Isangele-1

1.78

0.04

0.06

129.64

3654.56

1.81

10.41

10.90

3008.02

0.03

8.51

0.04

6.51

0.32

8

Isangele-2

0.80

0.17

0.57

16.59

190.52

0.62

2.18

3.53

54.09

0.11

7.00

0.07

20.97

1.02

9

Mundemba-1

1.32

0.60

1.43

20.19

165.82

1.78

13.19

17.63

123.22

0.09

16.61

0.97

17.34

4.31

10

Mundemba-2

1.83

0.53

1.04

16.67

137.48

1.49

10.06

15.10

89.14

0.09

13.99

0.34

10.17

4.30

11

Mundemba-3

0.18

0.38

0.67

41.26

93.06

2.08

9.81

10.62

68.02

0.09

26.84

0.27

9.09

3.81

12

Mundemba-4

1.48

0.40

0.58

20.89

92.53

1.54

7.13

10.15

100.00

0.09

17.06

0.45

11.16

3.66

Min

0.18

0.04

0.06

9.73

92.53

0.24

0.32

1.65

5.47

0.01

6.89

0.01

1.77

0.22

Max

12.11

0.61

1.43

129.64

6516.33

4.12

13.19

98.54

3008.02

17.04

754.41

0.97

91.30

4.31

Mean

2.23

0.32

0.56

47.84

1226.31

1.50

5.18

19.21

334.20

1.53

88.90

0.20

18.60

2.21

WHO limit

200

200

50

400

2000

10

70

2000

5000

10

400

3

70

10