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ATC Associates Inc. <br /> V � 1117 Me Palm Avenue, Suite 201 <br /> Modesto, California 95351 <br /> 209-579-2221 <br /> AEE O C I ATE 6 INC . <br /> fax: 209-579-2225 <br /> The analytical results for soil samples are summarized in Table 1. Lab data sheets are <br /> included in Appendix A. <br /> 4.7 Groundwater Analytical Results <br /> None of the analytes of interest were detected in the groundwater samples collected from borings <br /> SB1, S132 or SB3. <br /> 5.0 GEOTRACKER DATABASE UPLOAD VERIFICATION <br /> Laboratory analytical data associated with the soil and groundwater collected from borings SB1 <br /> through SB3 were submitted electronically to the State Water Resources Control Board <br /> (SWRCB) Geotracker database (confirmation numbers 4571150667 and 3886664152). <br /> 6.0 DISCUSSION <br /> The localized TPHd concentrations detected in soil samples collected in July 2009 underneath the <br /> dispensers do not appear to be a threat to groundwater. Diesel was not detected in the <br /> groundwater beneath the dispensers at the site. These concentrations of diesel in the soil are <br /> expected to degrade over time. ATC recommends no further investigation. <br /> S:\Enviromental\39426\reports\Subsurface inv.doc 3 <br />