Table 1 The \({I}_{geo}\) classes in relation to soil quality.
\({I}_{geo}\) classes | Soil quality |
|---|---|
< 0 | Practically uncontaminated |
0–1 | Uncontaminated to moderately contaminated |
1–2 | Moderately contaminated |
2–3 | Moderately to heavily contaminated |
3–4 | Heavily contaminated |
4–5 | Heavily to extremely contaminated |
> 5 | Extremely contaminated |