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n <br /> ; Ef]CHECKt - PHYSICAL SETTING,SOURCE SUMK RYA �t <br /> \y4" <br /> GROUNDWATI=Ft FLOW DIRECTION INFORMATION <br /> Groundwater flow direction far a partrcujar sste is best determined by a qualified envirdnmentaj professional <br /> using site-specific well data If such data is not reasonably ascertainable, it may be necessary to rely on other <br /> sources OT information, such as surface topograpnic 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 anout the impact oT nearoy contaminated properties or, <br /> should contamination exist on the target property, what downgradient sites might be impacted <br /> USGS TOPOGRAPHIC MAP ASSOCIATED WITH THIS SITE <br /> Target Property 2437121-H3 STOCKTON WEST CA <br />' Source USGS 7 5 min quad index <br /> GENESIAL TOPOGRAPHIC GRADIENT AT TARGET PROPERTY <br />' Target Property General WSW <br /> Source General Topographic Gradient has been determined from the USGS 1 Degree Digital Elevation Madel and <br /> should be evaluated on a relative(not an absolute) basis Relative elevation information between sites of <br /> close prexzmrty should be field verified <br /> HYDROLOGIC INFORMATION <br /> Surface water can act as a hydrologic barrier to groundwater flow Such hydrologic information can be used to assist <br /> the environmental professional in forming an ooinion about the impact of nearby contaminated properties or, should <br /> contamination exist on the target property, what downgradrent sites might be impacted <br /> Refer to the Physical Setting Source Map following this summary for hydrologic information (major waterways <br /> and bodies of water) <br /> FEMA FLOOD ZONE <br /> FEMA 03 Flood <br /> Target Property Countv Data Electronic Coveraye <br /> SAN JOAQUIN, CA YES <br />' <br /> Flood Plain Panel at Target Property 0603020015D/CBPP <br /> Additional Panels in search area 06030200100/CBPP <br /> 06029902908/CBPP <br /> 0603020005D/CBPP <br /> 0603020020D/CBPP <br /> 06029904306/C8PP <br /> 06029904358/CBPP <br />' NATIONAL WETLAND INVENTORY <br /> NWI Electronic <br /> NWI Quad at Target Property Covera <br /> STOCKTON WEST YES <br /> HYDROGEOLOGIC INFORMATION <br /> Hydrogeologic information obtained by installation of wells on a specific sate can often be an indicator <br /> of groundwater flow direction in the immediate area Such hydrogeolegic information can be used to assist the <br /> environmental professional in forming an opinion about the Impact OT nearby contaminatea properties or, shouia <br /> contamination exist on the target property, what downgradient sites might be impacted <br /> TC537943 1 s Page A-2 <br />