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Content archived on 2024-05-07

Induced Polarization Tomography (IPT) for Monitoring Contaminated Land

CORDIS provides links to public deliverables and publications of HORIZON projects.

Links to deliverables and publications from FP7 projects, as well as links to some specific result types such as dataset and software, are dynamically retrieved from OpenAIRE .

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A prototype induced polarization tomography (IPT) system is being developed for the non-invasive geoelectric mapping and monitoring of contaminants at industrial and waste disposal sites. Induced polarization is an electrochemical surface effect which has the potential to detect the presence or absence of chemical processes in the ground including oxidation-reduction, organic ion exchange, catalysis, polymerization and peptization. This innovative system will permit both surface and cross-hole tomographic scanning. Cross-hole imaging is needed to facilitate IPT scans beneath buildings, concrete rafts and storage tanks where traditional invasive sampling methods (trial pits or boreholes) are impractical or inefffective. The prototype will build on an existing PC-controlled resistivity meter. Field trials of the prototype system will be undertaken at former gasworks sites in the United Kingdom where control is already available from routine chemical analysis of soil and water samples.

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