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GEOCHECK"�- PHYSICAL SETTING SOURCE ADDENDUM I <br /> r <br /> TARGET PROPERTY ADDRESS <br /> LAWRENCE AND AWARD PROPERTY <br /> WEST FREWERT ROAD <br /> LATHROOP,CA 95330 <br /> r <br /> TARGET PROPERTY COORDINATES <br /> Latitude(North): 37.849998-37°50'60.0" <br /> r Longitude(West): 121.303398-121° 18' 12.2" <br /> Universal Tranverse Mercator: Zone 10 <br /> UTM X(Meters): 649269.0 <br /> UTM Y(Meters): 4190323.5 <br /> r Elevation: 12 ft. above sea level <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 /> 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 /> r <br /> Assessment of the impact of contaminant migration generally has two principle investigative components: <br /> 1.Groundwater flow direction,and <br /> r 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 /> L <br /> v <br /> r <br /> TC01036162.1r Page A-1 <br /> r <br />