Heavy metals | I(geo) values | I(geo) Class | Level of Contamination Classification |
Pb | 0.74 | 1 | Uncontaminated to moderately contaminated |
Mn | −0.34 | 0 | Uncontaminated |
Zn | 0.31 | 1 | Uncontaminated to moderately contaminated |
Cu | 3.20 | 4 | Heavily (strongly) contaminated |