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surface water bodies in the area will be resurveyed, for accuracy. A <br /> Registered Land Surveyor will perform surveying. <br /> 4.1.5 Soil Logging <br /> Samples obtained during drilling will be classified and logged according to <br /> the Unified Soils Classification System by the onsite geologist under the <br /> direction of a registered geologist and described in terms of color, texture <br /> (grain size and gradation), mineralogy, cementation, and wetness. <br /> 4.2 Hydrogeologic Characterization <br /> The objectives and approach of the hydrogeologic characterization are as follows. <br /> The study will involve of defining subsurface stratigraphy, evaluating aquifer <br /> characteristics, and measuring vertical and horizontal groundwater flow gradients. <br /> The subsurface stratigraphy and structure will be defined by describing the <br /> subsurface lithology encountered by sampling in each borehole. . Water level <br /> measurements from all of the existing and proposed monitoring wells, will be used to <br /> establish horizontal flow gradients and groundwater velocities. Vertical gradients in <br /> the shallow aquifer wells (MW2 and MW5) will be compared to the deep aquifer <br /> results. <br /> ZAPROP-PRA1999U 524-p\dehvbletrpn 1574.1 Aa <br /> 13 <br />