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1 <br />' 24 July 2002 <br /> AGE-NC Project No 01-0827 <br />' Page 6 of 6 <br />' The low concentrations of the fuel scavengers 1,2-DCA, detected in samples MW-1 and <br /> VW-2d, and EDB, detected in sample VW-5d, were still above the MCLs of 0 5 µg/1 and <br /> 0 05 µg/l, respectively, in drinking water <br /> 5.0. RECOMMENDATIONS <br /> I <br /> Based on the findings of the remediation activities recounted in this report, AGE recommends <br />' • Conduct a quarterly ground water monitoring event in late August 2002 <br /> • Continue operation of the soil vapor extraction system The air-spanng network should be <br />' augmented with ozone, to optimized in-situ hydrocarbon destruction <br />' G.O. LIMITATIONS <br />' Our professional services were performed using that degree of care and skill ordinarily exercised by <br /> environmental consultants practicing in this or similar localities The findings were based upon <br /> analytical results provided by an independent laboratory Evaluation of the geologic/hydrologic <br /> I conditions at the site for the purpose of this investigation was made from review of documents <br /> provided by the client to AGE, and a limited number of available data points(soil-vapor and ground <br /> water samples)and subsurface conditions may vary away from these data points No other warranty, <br /> I expressed or implied, is made as to the professional opinions, findings and recommendations <br /> contained in this report <br /> I <br /> I <br /> IAdvanced GeoEnvirontnental,Inc <br />