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I <br /> I19 October 2005 <br /> AGE-NC Project No 99-0645 <br /> IPage 5 of 6 <br /> I Q � 65 scfm (average) x 169 = 109 85 m3/hr <br /> • t 768 hours (sum of known operation) <br /> I 0 00006 kg/ma • 109 85 m3/hr • 768 hours = 5 06 kg gasoline <br /> • 5 06 kg gasoline • 2 205 lbs/kg = 11 16 lbs gasoline <br /> Ito convert lbs gasoline to gallons gasoline, use 0 16 gal/lb <br /> • 11 6 lbs • 0 16 gal/lb = 1 785 gallons of gasoline <br /> The operational results are summarized in Table I A total of 1,149 41 pounds, or 183 875 gallons <br /> of hydrocarbons have been extracted by the SVE system since 05 October 2004 <br /> I <br /> 3 3 GROUND WATER GRADIENT AND FLOW DIRECTION <br /> Depth to ground water at the site on April 2005 ranged from 87 14 feet to 87 44 feet below the <br /> monitoring well casing tops Depth to ground water at the site on July 2005 ranged from 90 74 feet <br /> Ito 91 07 feet below the monitoring well casing tops <br /> I The ground water elevation in each well was calculated from this data The ground water elevations <br /> during April ranged between 41 88 feet (MW-1) and 4191 feet (MW-2) below mean sea level <br /> (MSL) The ground water elevations during July ranged between 45 51 feet(MW-1)and 45 58 feet <br /> I (MW-2) below mean sea level (MSL) At the time of the April 2005 monitoring event, the ground <br /> water flow direction was inferred to be southwest at a gradient of approximately 0 00075 ft/ft At <br /> the time of the July 2005 monitoring event,the ground water flow direction was inferred to be south <br /> I to southeast at a gradient of approximately 0 0017 ft/ft Figure 3 illustrates the contoured ground <br /> water elevations <br /> I34 ANALYTICAL RESULTS OF WATER SAMPLES <br /> I CDCs were not detected in any of the collected April or the July 2005 ground water samples <br /> Analytical results from the ground water samples are summarized In Tables 4 and 5 The laboratory <br /> reports (CTEL Project No CT214-0504117 and 0507049), QA/QC reports and chain of custody <br /> I form are included in Appendix E GeoTracker confirmation pages of submitted laboratory electronic <br /> deliverable format (EDF) files are included in Appendix F <br /> i <br /> Iadvanced GeoEnvironmental,Inc <br /> I <br />