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 |