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1 <br /> :. ,.sax... .... _ <br /> GEOCHECK® PHYSICAL SETTING SOURCE SUMMARY ' <br /> s <br /> F1 <br /> 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 /> TOPOGRAPHIC INFORMATION <br /> i 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: 38121-62 LOCKEFORD, CA <br /> General Topographic Gradient: General North <br /> Source: USGS 7.5 min quad index <br /> A y <br /> SURROUNDING TOPOGRAPHY: ELEVATION PROFILES <br /> LF1 <br /> c <br /> il <br /> o - <br /> Fj <br /> s s $ s 8 s s s <br /> e <br /> W py � �— � _� .� ail— L N <br /> f k 1 North South <br /> TP <br /> Fj <br /> v <br /> 0 <br /> � I <br /> W ; o -i <br /> F1 <br /> F), West <br /> East <br /> TP <br /> 0 112 1 Miles , <br /> F1 Target Property Elevation:107 ft. <br /> F! 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 /> TC1516632.2s Page A-2 <br /> i <br />