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' 0 - - - <br /> p E.S_ - StoolCtC+r] Plstirsg Srma- <br /> ,7arivax'y 2 1990 <br /> Page -4- <br /> r* <br />' TABLE 2 <br /> Laboratory Analyses <br />' SOIL SAMPLES <br /> TPH—G EDB TEL <br />' B T E X Gas Lead <br /> Detection 5.0 5.0 5.0 5.0 2.5 10.0 0.5 <br /> Limit Vg&g u u u u <br />' (Sample ID) <br /> C 23WW-TK1-E 3,700 150,000 45,000 190,000 3,300 ND* ND <br /> 23WW-TK1-W 1 ,300 107,000 42,000 180,000 2,800 ND ND <br />' +'' Unit Conversions: * Nil = none detected at limit indicated <br /> ug/kg:parts per billion (ppb) <br />' mg/kg:parts per million (ppm) <br /> 4 . 0 CONCLUSIONS AND RECOMMENDATIONS <br /> Laboratory analyses indicate that gasoline <br />' contamination exists in the soil at this site . Condor <br /> recommends that a minimum of 4 soil borings be drilled at <br />' the site to determine the vertical and horizontal limits of <br /> contamination. The soil borings should be located around <br />' the former tank location at a distance of approximately 10 <br />' feet from the excavation perimeter as shown in Figure 3 . <br />' Soil samples should be collected from the borings at 5 <br /> foot intervals for geologic logging and for laboratory <br /> ' analysis. Field detection equipment , (OVA) , should be used <br /> CONDOR <br />