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1 <br /> 5.0 CONCLUSIONS AND RECOMMENDATIONS <br /> Trace concentrations of petroleum hydrocarbons were detected in one soil sample collected <br />' (B4-35). The remaining samples from Boring B3 and B4 did not indicate the detection of <br /> petroleum hydrocarbons.This result and the result from the previous investigation indicates <br />' that the north and south extents of impacted soils have been delineated. Due to the <br /> presence of a building to the west, Chrisman Road to the east and overhead power and <br /> phone lines, excavation of the impacted soil would probably not be feasible. Due to the <br />' coarse-grained nature of the impacted soil and the limited lateral extent of contamination, <br /> vapor extraction appears to be a viable option for remediation. We recommend that a vapor <br /> extraction well be installed at the location of the former pump island and a pilot test be <br /> performed to determine the feasibility of vapor extraction for remediation at the site. <br /> 1 <br />' 6.0 LIMITATIONS <br /> Our professional services were performed using that degree of care and skill ordinarily <br />' . exercised by environmental consultants practicing in this or similar localities. The findings <br /> were based upon analytical results provided by an independent laboratory. Evaluations of <br /> the geologic/hydrogeologic conditions at the site for the purpose of this investigation are <br />' made from a limited number of available data points (i.e. soil borings) and subsurface <br /> conditions may vary away from these data points. No other%yarranty, expressed or implied, <br /> is made as to the professional recommendations contained in this report. <br /> 1 <br /> A&.ad GenFnvi o..eneel Nc 4 <br /> FOUR CVRNVJL"-951AG&NC95.O100 - - <br />