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GEOCHEC4(© PHYSICAL SETTING SOURCE SUMMARY <br /> f � GROUNDWATER FLOW DIRECTION INFORMATION <br /> Groundwater flow direction for a particular site is best determined by a qualified environmental professional <br /> using site-specific well data. If such data is not reasonably ascertainable, it may be necessary to rely on other <br /> sources of information, such as surface topographic information, hydrologic information, hydrogeologic data <br /> collected on nearby properties,and regional groundwater flow information (from deep aquifers). <br /> a <br /> TOPOGRAPHIC INFORMATION <br />} Surface topography may be indicative of the direction of surficial groundwater flow. This information can be used to <br /> assist the environmental professional in forming an opinion about the impact of nearby contaminated properties or, <br /> should contamination exist on the target property,what downgradient sites might be impacted. <br /> TARGET PROPERTY TOPOGRAPHY <br /> USGS Topographic Map: 37121-G5 CLIFTON COURT FOREBAY,CA <br /> General Topographic Gradient: General ENE <br /> Source: USGS 7.5 min quad index <br /> t <br /> SURROUNDING TOPOGRAPHY: ELEVATION PROFILES <br /> CDc a m <br /> O N <br /> W <br /> I{ A d! A P <br /> I <br /> North South <br /> TP <br /> i. . <br /> JNJ JNJ <br /> `{efA p <br /> W Ia W w t} <br /> r <br /> West l=ast <br /> TP <br /> 0 112 1 Miles <br /> Target Property Elevation: 164 ft. <br />) <br /> Source:Topography has been determined from the USGS 7.5' Digital Elevation Model and should be evaluated <br /> on a relative(not an absolute)basis. Relative elevation information between sites of close proximity <br /> should be field verified. <br /> TC1388325.2s Page A-2 <br /> i <br />