Groundwater polyaromatic hydrocarbon (PAH) concentrations underneath a contaminated site were measured with gas chromatography-mass spectrometry (GC-MS). As a form of soil flushing is planned as an in situ treatment for some sectors at the site, a cube of approximately 10 m was used to test the treatment. To gain a deeper understanding of the contamination situation of the test cube, a three dimensional visualisation of the pollutants distribution in the cube was created. Total PAH measurements were compared with eluate PAH measurements in two different visualisations, showing that the...