Fig. 2.43 Schematic view of the four compartments and geological sequence: the marls (aquifer
substratum, in blue), the DNAPL (gray) contaminating the sand layer (yellow), and the gravel layer
(red) (Giraud et al. 2016)
Fig. 2.44 Interpolation of geological layer surfaces by kriging, of marls (bottom) and sand (top),
from 39 drilling boreholes (gravel layer not shown) (Giraud et al. 2016)
Fig. 2.45 Construction of the walls of the concrete cubic compartments using a rock trencher
(Joubert et al. 2016)
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