In 2012 Savaterra Oy completed its biggest polluted soil remediation project overseas in France. Thermal station was transferred to Chambly, suburban area of Paris, by ship and road freight.
On the project target had located old creosote plant and sleeper impregnation, from the effect of which soil had high concentrations of PAHs and oil hydrocarbons.
Totally was purified 59 300 t polluted soil and PAH concentrations must have been less than the limit value of 50 mg/kg, when the initial concentrations ranged between 1000-2000 mg/kg.
The work was carried out as a consortium with a local company specializing in earth and environmental construction.