Figure 2From: Distribution of U and REE on colloids in granitic groundwater and quality-controlled sampling at the Mizunami underground research laboratory Description of the MIU construction site. (a) Schematic representation of the MIU facilities and sampling sites. (b) Groundwater sampling apparatus (photograph taken at the 10MI26 borehole). (c) Groundwater seepage from an excavated gallery wall. (d) Schematic representation of groundwater sampling from a borehole.Back to article page