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10 August 2005 <br /> AGE-NC Project No 02-0964 <br /> Page 3 of 4 <br /> Iwell MW-1 <br /> Analytical results of ground water samples are summarized in Tables 2 and 3 The laboratory report <br /> (CTEL Project No CT214-0506162), quality assurance/quality control report and chain of custody <br /> form are Included in Appendix C GeoTracker confirmation pages of the submitted laboratory <br /> electronic deliverable format (EDF) files are Included in Appendix D <br /> 4.0. SUMMARY AND CONCLUSIONS <br /> Based on data collected on the site, AGE concludes <br /> • Depth to ground water at the site was approximately 28 3 feet btoc on 16 June 2005 <br /> • Ground water elevation in the monitored area ranged from 16 38 feet to 17 30 feet below <br /> MSL Flow direction was inferred to be toward the east-northeast under a gradient of <br /> approximately 0 008 ft/ft <br /> • In well MW-1, TPH-g and BTEX were detected with concentrations of benzene, <br /> ethylbenzene, and total xylenes significantly above the DHS's Maximum Contaminant <br /> Levels established for these compounds in drinking water <br /> • In well MW-1, concentrations of xylenes, toluene and benzene increased while <br /> concentrations of ethylbenzene and TPH-g decreased <br /> • The extent of petroleum hydrocarbon and BTEX compounds at the site have not yet been <br /> defined <br /> 5.0. RECOMMENDATIONS <br /> Based on the findings recounted in this report, AGE recommends <br />' 0 Continued quarterly monitoring of the site, the next monitoring event should take place in <br /> September 2005 <br /> • Implement the scope of work approved for additional site assessment <br /> I <br /> • <br /> IAdvanced GeoEnvironmental,Inc <br />