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(Art. 12 para. 1)
The concentration values in the table below apply in the assessment of the need for remediation of soil. Where no concentration values are given in the table for potential soil pollutants which are polluting a site, the authority shall specify a value on a case by case basis with the consent of the FOEN and according to the provisions of the legislation on the protection of the environment.
| Substance | Concentration value |
|---|---|
| Inorganic substances | |
| Lead | 2000 mg Pb/kg |
| Cadmium | 30 mg Cd/kg |
| Copper | 1000 mg Cu/kg |
| Zinc | 2000 mg Zn/kg |
| Organic substances | |
| Polychlorinated biphenyls (PCBs) | 3 mg/kg |
| Polycyclic aromatic hydrocarbons (PAHs)* | 100 mg/kg |
| Benzo-a-pyrene | 10 mg/kg |
| * ∑16 EPA PAHs: napthalene, acenaphthylene, acenaphthene, fluorene, phenanthrene, anthracene, fluoranthene, pyrene, benz[a]anthracene, chrysene, benzo[a]pyrene, benzo[b]fluoranthene, benzo[k]fluoranthene, dibenz[a,h]anthracene, benzo[g,h,i]perylene, indeno[1,2,3-c,d]pyrene |
| Substance | Concentration value |
|---|---|
| Inorganic substances | |
| Antimony | 50 mg Sb/kg |
| Arsenic | 50 mg As/kg |
| Lead | 300 mg Pb/kg |
| Cadmium | 20 mg Cd/kg |
| Chromium (VI) | 100 mg CrVI/kg |
| Copper | 1000 mg Cu/kg |
| Nickel | 1000 mg Ni/kg |
| Mercury | 2 mg Hg/kg |
| Silver | 500 mg Ag/kg |
| Zinc | 2000 mg Zn/kg |
| Inorganic substances | |
| Volatile chlorinated hydrocarbons* | 1 mg/kg |
| Polychlorinated biphenyls (PCBs)** | 1 mg/kg |
| Aliphatic hydrocarbons C | 5 mg/kg |
| Aliphatic hydrocarbons C | 500 mg/kg |
| Benzene | 1 mg/kg |
| Polycyclic aromatic hydrocarbons (PAHs)**** | 10 mg/kg |
| Benzo[a]pyrene | 1 mg/kg |
| | Dioxins and dioxin-like substances (PCDDs, PCDFs and dl-PCBs)***** | 20 ng TEQ/kg | | --- | --- | | 20 ng TEQ/kg |
| * ∑7 volatile chlorinated hydrocarbons: dichloromethane, trichloromethane, tetrachloromethane, cis-1,2-dichloroethylene, 1,1,1-trichloroethane, trichloroethylene (TCE), tetrachlorethylene (PERC) | |
| ** ∑6 PCB congeners × 4.3: no. 28, 52, 101, 138, 153, 180 | |
| *** ∑C | |
| ***** ∑16 EPA PAHs: napthalene, acenaphthylene, acenaphthene, fluorene, phenanthrene, anthracene, fluoranthene, pyrene, benz-a-anthracene, chrysene, benzo[a]pyrene, benzo[b]fluoranthene, benzo[k]fluoranthene, dibenz[a,h]anthracene, benzo[g,h,i]perylene, indeno[1,2,3-c,d]pyrene | |
| ***** ∑29 Congeners of polychlorinated dibenzo-p-dioxins (PCDD), polychlorinated dibenzofurans (PCDF) and dioxin-like polychlorinated biphenyls (dl-PCB) according to WHO22-TEF |
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