Heavy metal Content

Stations

As

Cd

Cr

Cu

Pb

Ni

Zn

Trabzon Harbour

I

2.8 - 3.5

0.07 - 0.16

9.2 - 16.2

5.8 - 7.1

4.7 - 7.2

9.3 - 20.1

4.6 - 5.4

II

2.7 - 6.2

0.11 - 0.23

12.8 - 20.1

10.5 - 14.8

6.4 - 55.1

11.4 - 54.2

20.3 - 30.0

III

3.5 - 6.3

0.14 - 0.23

9.4 - 28.6

11.5 - 14.4

5.7 - 14.3

13.5 - 47.4

27.1 - 54.3

SQGs

As

Cd

Cr

Cu

Pb

Ni

Zn

TEL1

7.24

0.68

52.3

18.7

30.2

15.9

124

PEL1

41.6

4.21

160.0

108.0

112.0

42.8

271.0

Average Continental Crust2

-

0.1

35

25

20

-

71

Average Shale3

-

0.8

90

45

20

68

95

SQGs (Low-High)4

20 - 70

1.5 - 10

80 - 370

65 - 270

50 - 220

21 - 52

200 - 400