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Swapping soil contaminants for community spaces

In Boechout, Belgium, RSK helped to convert a 5-ha former metal processing plant site into a cohesive residential area, complete with parks, a police station and a child-care centre. RSK’s in-country experts completed extensive soil and groundwater investigations. The results showed remediation was necessary to decontaminate the soil and make it appropriate for public and residential use.

RSK provided a range of soil investigation surveys and remediation techniques to assess the chlorides in deep groundwater and to remediate contaminants such as total petroleum hydrocarbons (TPH) in the soil and zinc plumes in the shallow aquifer. Remedial action plans for zinc and TPH were produced and supplied to the client and the local waste agency.

Following a successful pilot test, and using an innovative zinc sulphide precipitation technique, RSK conducted zinc remediation. The remediation decreased the contamination levels to near zero. Following the tests and experts deeming the results legitimate, the aquifer was successfully treated. Excavation-based TPH remediation was integrated into the civil construction groundworks. Environmental soil and groundwater practices will continue until the residential area is expected to be complete.

  • Location: Belgium
  • Project status: Completed
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