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i <br /> i� 30 September 1999 <br /> AGE-NC Project No 97-0351 <br /> Page 4 of 4 <br /> ' petroleum hydrocarbons were detected in samples from wells MW-3, MW-4 and MW-5 <br /> • The TPH-g and BTEX concentrations detected in well MW-3,MW-4 and MW-5 may be the <br /> ' result of cross-contammatlon and may not be representative of aquifer conditions in the areas <br /> of these wells <br /> ' • Fuel additives were detected in the sample from well MW-4 and well MW-2 at the western <br /> end of the site <br /> • Diesel-impacted ground water was limited to the southwest portion of the site <br /> I <br /> S.O. RECOMMENDATIONS <br /> I <br /> Based on the results of this investigation, AGE recommends <br /> • Continued quarterly ground water monitoring without analysis for TPH-d <br /> • Installation of additional ground water monitoring wells as displayed on Figure 4 for lateral <br /> ' • delineation of the dissolved hydrocarbons at the site <br /> ' a Preparation of Corrective Action Plan(CAP)to address shallow hydrocarbon-impacted soil <br /> from the former western UST area <br /> ' 6.0. 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 Evaluations of the geologic/hydrogeologic <br /> conditions at the site for the purpose of this investigation are made from a limited number of <br /> available data points (i e , monitoring well samples) and subsurface conditions may vary away from <br /> ' these data points No other warranty, expressed or implied, is made as to the professional <br /> recommendations contained in this report <br /> 1 <br /> Adianced GeoEnl ironmentai,Inc <br /> 1 <br />