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GEOCHECK'"- PHYSICAL SETTING SOURCE ADDENDUM <br /> TARGET PROPERTY ADDRESS <br /> ` ELLIOTT ROAD/JAHANT ROAD <br /> ELLIOTT ROADMAHANT ROAD <br /> LODI,CA 95220 <br /> TARGET PROPERTY COORDINATES <br /> Latitude (North): 38.205898-38' 12'21.2" <br /> Longitude (West): 121.172600-121' 10'21.4" <br /> ` Universal Tranverse Mercator: Zone 10 <br /> UTM X (Meters): 660001.7 <br /> UTM Y(Meters): 4230032.5 <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 /> 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 /> Lwhen (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 /> 4 <br /> L 1.Groundwater flow direction,and <br /> 2. Groundwater flow velocity. <br /> I Groundwater flow direction may be impacted by surface topography,hydrology,hydrogeology,characteristics <br /> V 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 /> r_ <br /> 6.V <br /> V <br /> i <br /> I. <br /> r <br /> TC0682645.3r Page A-1 <br /> i1110 <br />