Abstract

The main purposes of this study were defined as to evaluate and to test techniques to obtain geohydrological data of the aquifers and aquitards of the Upper Cretaceous and Lower Tertiary formations. Of these formations, which form the first geohydrological barrier against transport of radionuclides through the geosphere, a limited set of data is available. Furthermore there is little experience in the Netherlands with investigation methods to obtain parameters suitable for modelling purposes.