Igeo | Igeo class | Designation of sediment quality |
> 5 4 - 5 3 - 4 2 - 3 1 - 2 0 - 1 <0 | 6 5 4 3 2 1 0 | Extremely contaminated Strongly to extremely contaminated Strongly contaminated Moderately to strongly contaminated Moderately contaminated Uncontaminated to moderately contaminated Uncontaminated |