Species | LRC | Permissible concentration in soil | ||
---|---|---|---|---|
Contents | Uncertainty | Normal range (mg kg−1) | Source | |
As (mg kg−1) | 3.9 | 0 | < 5–40 | Bowie and Thornton (1985) cited by Galán and Romero [16] |
Cd (mg kg−1) | 2.1 | 0 | < 1–2 | Bowie and Thornton (1985) cited by Galán and Romero [16] |
Cu (mg kg−1) | < 40 | 0 | 5–30 | EPA, (1996) cited by Mahecha et al. [39] |
Pb (mg kg−1) | 22.5 | 0 | 10 Toxicity > 100 | EPA, (1996) cited by Mahecha et al. [39] |
Hg (mg kg−1) | < 0.2 | 0 | 0,07–0,3 | UN Economic Commission for Europe cited by Camargo-Garcia [38] |
Zn (mg/Kg) | < 40 | 0 | 5–200 Toxicity > 400 | Bowie and Thornton (1985) cited by Galán and Romero [16] EPA, (1996) cited by Mahecha et al. [39] |