Table 2 Geoaccumulation index (Igeo) classification [EU 1998]
Igeo | Igeo class | Designation of sediment quality |
|---|---|---|
> 5 | 6 | Extremely contaminated |
4–5 | 5 | Strongly to extremely contaminated |
3–4 | 4 | Strongly contaminated |
2–3 | 3 | Moderately to strongly contaminated |
1–2 | 2 | Moderately contaminated |
0–1 | 1 | Uncontaminated to moderately contaminated |
< 0 | 0 | Uncontaminated |