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' . 21 October 2002 <br /> AGE-NC Project No 98-0426 <br />' Page 3 of 3 <br /> 4.0. SUMMARY AND CONCLUSIONS <br /> Based on the data collected during the third quarter 2002 monitoring event, AGE concludes <br />' Ground water flow at the site was toward the north-northeast with an average gradient of <br /> 0 004 fl/ft The average ground water elevation decreased approximately 10 feet since the <br />' May 2002 sampling event <br /> • Dissolved lead was not detected in the samples collected from wells MW 1 through MW5 <br />' 1,2-DCA was detectedin the sample collected from well MW5 at a concentration of <br /> 0 77 µg/1 1,2-DCA was not detected in wells MW1 through MW4 EDB was not detected <br /> in the samples collected from wells MW1 through MW5 <br /> • The concentration of 1,2-DCA detected in sample MW5 is slightly above the DHS <br /> Maximum Contaminant Level of 0 5 µg/1 <br /> 5.0. RECOMMENDATIONS <br />' Based on the results of the third quarter 2002 monitoring event AGE recommends considering the <br /> site for closure <br />' 7.0. 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 Evaluation ofthe hydrogeologic conditions <br /> at the site for the purpose of this investigation was made from a limited number of available data <br />' points(ground water samples)and subsurface conditions may vary away from these data points No <br /> other warranty, expressed or implied, is made as to the professional interpretations, opinions and <br /> recommendations contained in this report <br /> 1 Advanced GeoE nviron mental,Inc <br /> 1 <br />