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pyw - b _ �4 GEOG EG. � ` P[��SIC-A�,'- ETT�NG SO,URC ;SUM %#�% ..-��.. <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 /> 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 NE <br /> Source: USGS 7.5 min quad index <br /> SURROUNDING TOPOGRAPHY:ELEVATION PROFILES <br /> C a i <br /> p <br /> P p m + <br /> W w• N� w _m _ .a'i _ _� m .. . . . _ . _ . _ . _ . . . _ . _ . _ . _ . _ . <br /> North South <br /> TP <br /> a <br /> o � v <br /> W _ _ � � _ _ _ � � � � _ .m ter,• - y- � _� - .� �. <br /> O <br /> West East <br /> TP <br /> 0 112 1 Miles <br /> Target Property Elevation:88 ft. <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 informations between sites of close proximity <br /> should be field verified. <br /> TC1302909.2s Page A-2 <br />