6
Figure 8.5: Example of an active measurement - water deposit ............................................................. 65
Figure 8.6: Example of an active measurement - water deposit and barrier .......................................... 66
Figure 8.7: Example of an active measurement - cavity .......................................................................... 66
Figure 8.8: Example of an active measurement - impervious layer / barrier .......................................... 67
Figure 9.1: Electrodes need good electrical ground contact ................................................................... 70
Figure 9.2: Electrodes have to be equally set into the ground ................................................................ 70
Figure 9.3: Operating the GeoSeeker with 3 people ............................................................................... 71
Figure 9.4: Operating the GeoSeeker with 5 people ............................................................................... 71
Figure 9.5: Drilling a hole and refilling it for the electrode .................................................................... 72
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