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i <br /> ' 30 December 2005 <br /> AGE-NC Project No 00-0764 <br /> Page 3 of 4 <br /> Inferred to be toward the east at a gradient of approximately 0 003 foot per foot (ft/ft), as depicted <br /> ' on Figure 3 <br /> ' 32 LABORATORY RESULTS OF GROUND WATER SAMPLES <br /> ' No constituents of concern were detected at or above laboratory reporting limits in any of the <br /> analyzed ground water samples <br /> ' Laboratory results of the analyzed samples are summarized in Table 2 The laboratory report(CTEL <br /> Project No CT214-0508185), quality assurance and quality control (QA/QC) report, and chain of <br /> custody forms are included in Appendix C Documents confirming the upload of laboratory <br /> electronic deliverable format (EDF) files and depth to water measurements to GeoTracker are <br /> included in Appendix D <br /> ' 4.0. SUMMARY AND CONCLUSIONS <br /> Based upon the results of this quarterly monitoring event, AGE concludes <br /> • Ground water flow direction of first encountered ground water was Inferred to be towards <br /> the east from the former UST location, at a gradient of approximately 0 003 ft/ft <br /> • No constituents of concern were detected at or above laboratory reporting limits in any of the <br /> analyzed ground water samples <br /> • At the present time, the vertical extent of the dissolved hydrocarbons has been defined by <br /> ' boring B 1 and well MW-5 The lateral extent of the dissolved hydrocarbons has been defined <br /> by the shallow wells <br /> 5.0. RECOMMENDATIONS <br /> Based on the results of this investigation, AGE recommends <br /> ' • Preparation of a Closure Summary Report for the site <br /> • Continued groundwater monitoring events until permission for site closure has been granted <br /> The next quarterly monitoring event is scheduled for November 2005 <br /> • <br /> i ' Advanced GeoEnvironmentai,Inc <br />