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' 08 November 2004 <br /> AGE-NC Project No 98-0432 <br />' Page 3 of 4 <br />' ground water flow direction was inferred to be toward the west-northwest at a gradient of <br /> approximately 0 006 foot/foot (ft/ft) near the former UST locations (Figure 3) <br /> ' 32 GROUND WATER ANALYTICAL RESULTS <br /> ' No petroleum hydrocarbon compounds were detected in the samples analyzed from monitoring wells <br /> MW-1 through MW-8 Analytical results from ground water samples are summarized in Tables 2 <br /> and 3 The laboratory report(CTEL Project No CT214-0410180),quality assurance/quality control <br /> (QA/QC) report, and chain of custody forms are included in Appendix B Documents confirming <br /> the upload of laboratory electronic deliverable format(EDF) files and depth to water measurements <br /> to GeoTracker are included in Appendix C <br /> r <br /> 4.0. SUMMARY AND CONCLUSIONS <br /> The following conclusions were drawn from the results of this investigation <br /> ' . During the October 2004 monitoring event, ground water was approximately 2 feet higher <br /> than the previous quarterly sampling event, the ground water flow direction was west- <br /> northwest at a gradient of 0 006 fl/ft in the area of the former USTs, which was consistent <br /> with the prevailing north to northwesterly flow directions at the site <br /> • No petroleum hydrocarbon compounds were detected in the samples analyzed from <br /> ' monitoring wells MW-1 through MW-8 <br />' 5.0. RECOMMENDATIONS <br /> ' Based on the results of this investigation, AGE recommends <br /> • Continuation of quarterly ground water monitoring, the next mon;tonng event should take <br /> place In January 2005 <br /> • Preparation a closure summary report, based on stable and declining dissolved MTBE <br /> ' concentrations <br /> • <br /> Advanced GeoEnvironmental,Inc <br />