Table 2.
Soil chemical composition
| Compound | Concentration in soil (mg per kg of dry mass) | Limit for agricultural soil (mg per kg of dry mass) |
|---|---|---|
| Heavy metals | ||
| Mercury (Hg) [mg/kg DM] | 0.04 | 5 |
| Chromium (Cr) [mg/kg DM] | 9.2 | 500 |
| Zinc (Zn) [mg/kg DM] | 38 | 1000 |
| Cadmium (Cd) [mg/kg DM] | 0.2 | 5 |
| Cobalt (Co) [mg/kg DM] | 0.73 | 50 |
| Copper (Cu) [mg/kg DM] | 52 | 300 |
| Molybdenum (Mo) [mg/kg DM] | 0.32 | 50 |
| Nickel (Ni) [mg/kg DM] | 3.9 | 300 |
| Lead (Pb) [mg/kg DM] | 10 | 500 |
| Aluminium (Al) [mg/kg DM] | 530 | Not specified |
| Iron (Fe) [mg/kg DM] | 1100 | Not specified |
| Manganese (Mn) [mg/kg DM] | 1100 | Not specified |
| Vanadium (V) [mg/kg DM] | 2.7 | Not specified |
| Organic compounds | ||
| Gasoline total (C6–C12) [mg/kg DM] | 149 | 1 |
| Mineral oil (C12–C35) [mg/kg DM] | 110 | 50 |
| Sum of presented BTEX | 0.96 | Not specified |
| - Benzene [mg/kg DM] | < 0.02 | 0.1 |
| - Ethylbenzene [mg/kg DM] | < 0.02 | 0.1 |
| - Toluene [mg/kg DM] | 0.02 | 0.1 |
| - m-, p-, o- Xylene [mg/kg DM] | 0.94 | 0.1 |
| - Styrene [mg/kg DM] | < 0.02 | 0.1 |
| Sum of presented PAH [mg/kg DM] | 1.02 | not specified |
| - Naphthalene [mg/kg DM] | 0.012 | 0.1 |
| - Anthracene [mg/kg DM] | 0.046 | 0.2 |
| - Chrysene [mg/kg DM] | 0.229 | 0.2 |
| - Benzo(a)anthracene [mg/kg DM] | 0.079 | 0.1 |
| - Dibenz(ah)anthracene [mg/kg DM] | < 0.005 | not specified |
| - Benzo(a)pyrene [mg/kg DM] | 0.081 | 0.1 |
| - Benzo(b)fluoranthene [mg/kg DM] | 0.192 | 0.1 |
| - Benzo(k)fluoranthene [mg/kg DM] | 0.189 | 0.1 |
| - Benzo(ghi)perylene [mg/kg DM] | 0.104 | 0.2 |
| - Indeno(123-cd)pyrene [mg/kg DM] | 0.085 | 0.2 |