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f <br /> F1 <br /> GEOCHECK PHYSICAL SETTIN^6` <br /> G SOURCE ADDENDUM-, <br /> F.' <br /> ' TARGET PROPERTY ADDRESS <br /> LUCHESSIPROPERTY <br /> 14100 EAST HIGHWAY 88 <br /> LOCKEFORD,CA 95237 <br /> F! TARGET PROPERTY COORDINATES <br /> Latitude(North): 38.167999-38' 10'4.8" <br /> F <br /> Longitude(West): 121.140099- 121'8'24.4" <br /> Universal Tranverse Mercator: Zone 10 <br /> UTM X(Meters): 662931.9 <br /> UTM Y(Meters): 4225883.5 <br /> F+ Elevation: 107 ft.above sea level <br /> J <br /> EDR's GeoCheck Physical Setting Source Addendum has been developed to assist the environmental professional <br /> with the collection of physical setting source information in accordance with ASTM 1527-00, Section 7.2.3. <br /> F1 Section 7.2.3 requires that a current USGS 7.5 Minute Topographic Map(or equivalent,such as the USGS Digital <br /> Elevation Model)be reviewed. It also requires that one or more additional physical setting sources be sought <br /> when(1)conditions have been identified in which hazardous substances or petroleum products are likely <br /> to migrate to or from the property,and(2)more information than is provided in the current USGS 7.5 Minute <br /> Topographic Map(or equivalent)is generally obtained,pursuant to local good commercial or customary practice, <br /> to assess the impact of migration of recognized environmental conditions In connection with the property.Such <br /> additional physical setting sources generally include information about the topographic, hydrologic, hydrogeologic, <br /> and geologic characteristics of a site,and wells in the area. <br /> Assessment of the impact of contaminant migration generally has two principle investigative components: <br /> 1.Groundwater flow direction,and <br /> 2.Groundwater flow velocity. <br /> Groundwater flow direction may be impacted by surface topography,hydrology, hydrogeology,characteristics <br /> of the soil, and nearby wells.Groundwater flow velocity is generally impacted by the nature of the geologic strata. <br /> EDR's GeoCheck Physical Setting Source Addendum is provided to assist the environmental professional in <br /> forming an opinion about the impact of potential contaminant migration. <br /> I <br /> F1 <br /> 1 <br /> F I <br /> a <br /> I <br /> Fj <br /> TC1516632.2s Page A-1 <br /> P1 <br />