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r01 February 2006 <br /> • AGE-NC Project No 00-0697 <br /> Page 4 of 4 <br /> I The concentration of benzene in wells MW-1 and MW-3 exceeds the DHS's Maximum <br /> Contaminant Level(MCL)of 1 µg/l for drinking water,the concentration of 1,2-DCA In well <br /> MW-3 exceeds the DHS's MCL of 0 5 pg/l for drinking water <br /> 5.0. RECOMMENDATIONS <br /> Based on the findings of the environmental activities recounted in this report, AGE recommends <br /> g p <br /> • Continuation of the quarterly ground water monitoring events, the next event will be <br /> scheduled for the first quarter 2006 <br /> • At the request of the EHD, a work plan has been submitted for the installation of additional <br /> monitoring wells to define the lateral extent of petroleum hydrocarbon-impacted ground <br /> water Once EHD approval is obtained, AGE will begin the next phase of the investigation <br /> 1 • 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 of the third quarter <br /> 2005 ground water monitoring event were based upon analytical results provided by an independent <br /> laboratory Evaluation of the hydrogeologic conditions at the site for the purpose of this investigation <br /> was made from a limited number of available data points(i e ,ground water samples)and subsurface <br /> conditions may vary away from these data points No other warranty, expressed or implied,is made <br /> as to the professional interpretations, opinions, and recommendations contained in this report <br /> I <br /> Advanced GeoEnvtronmental,Inc <br /> I <br />