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GEOCHECK®- PHYSICAL SETTING SOURCE ADDENDUM <br /> TARGET PROPERTY ADDRESS <br /> ' 1001621 <br /> 22888 KASSON ROAD <br /> BANTA, CA 95304 <br /> TARGET PROPERTY COORDINATES <br /> Latitude (North): <br /> Longitude(West): 37.751202 37°45'4.3" <br /> 121.348602- 121'20'55.011 <br /> Universal Tranverse Mercator: Zone 10 <br /> UTM X(Meters): 645485.7 <br /> UTM Y(Meters): 4179289.5 <br /> Elevation: 23 ft. above sea level <br /> EDR's GeoCheck Physical Setting Source Addendum <br /> with the collection of physical setting source informat onain accordance with ASTM 1527-00,,S ction 7 d to assist the 2.3ofessional <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 /> 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 /> f <br /> i <br /> • <br /> 1 <br /> TC1113477.5s Page A-1 <br />