Dual Phase Vacuum Extraction and Chemical Oxidation

The site, a former Petrol Filling Station, was acquired by a client who sought the services of Geo2 to design a programme to treat hydrocarbon impact on the subsurface.

Remediation comprised removal of the infrastructure and utilised a Dual Phase Vacuum Extraction (DPVE) system to recover diesel from the ground.

Groundwater was treated through in-situ chemical oxidation, to reduce residual hydrocarbon concentrations. This combined approach achieved reductions in hydrocarbon contamination of between 99% and 100% in the worst affected areas on site.

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