| Extraction well ; Groundwater ex-situ remediation ; Pump and treatment | Unit process, single operation | JS-CN | Unit processes / Other Services / Repair and maintenance | 2022 |  |  | 
| Extraction well ; Groundwater pumpĀ and treatment | Unit process, single operation | UM | Unit processes / Other Services / Repair and maintenance | 2009 |  |  | 
| Extraction well ; Soil in-situ remediation ; SVE system  ; Well constraction | Unit process, single operation | KR | Unit processes / Other Services / Repair and maintenance | 2011 |  |  | 
| Groundwater ex-situ remediation ; Pump and treat ; Construction ; Extraction well | Unit process, single operation | CA | Unit processes / Other Services / Repair and maintenance | 2007 |  |  |