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1 <br />' 11 January 2006 <br /> • AGE-NC Project No 95-0130 <br />' Page 10 of 14 <br />' extraction and treatment water samples(CTEL Laboratory I D Nos 0507-089,0508-005 and 0509- <br /> 046) are summarized in Table 8, laboratory reports are included in Appendix H, GeoTracker <br /> confirmation pages of the submitted laboratory electronic deliverable format(EDF)files are included <br />' in Appendix C <br />' 45 EFFLUENT MONITORING RESULTS <br /> In accordance with the requirements of City of Stockton Department of Utilities Ground Water <br />' Discharge Permit, monthly ground water P&T system effluent sampling was performed on 15 July, <br /> 01 August and 07 September 2005 for laboratory analysis of contaminants listed in Section 4 3 <br />' Laboratory analysis of ground water P&T system effluent grab water samples did not detect any <br /> constituents of concern Analytical results of extraction and treatment effluent water samples(CTEL <br /> Laboratory I D Nos 0507-089, 0508-005, 0508-160 and 0509-046) are summarized in Table 8, <br />' laboratory reports are included in Appendix H, GeoTracker confirmation pages of the submitted <br /> laboratory EDF files are included in Appendix C <br /> MUtilizing a Blue-White Industries F-2000 flow meter, total flow (totalizer) was recorded between <br /> 03 June 2005 and 07 September 2005 (Table 9) During this time, the extraction and treatment <br /> interim ground water remediation system was in operation for approximately 96 days Based on the <br /> total of approximately 255,480 gallons of water recorded during this time, AGE estimated that an <br /> average 2,661 gallons of water was discharged per day during this time <br /> I <br /> 4 6 MASS-VOLUME REMOVAL CALCULATIONS <br /> Between 03 June 2005 and 07 September 2005, an estimated 54 22 pounds of total petroleum <br /> hydrocarbons were extracted from ground water (Table 9), since the system was initiated on <br /> 17 November 2004,a total mass of 171 pounds of petroleum hydrocarbons have been removed The <br /> June 2005 to September 2005 mass-volume calculations of gasoline-impacted ground water <br /> extracted from the ground water extraction and treatment system are presented in Appendix I Plots <br /> of cumulative ground water pump and treat mass removal trends and influent ground water TPH-g <br /> concentrations versus time are included in Appendix J <br />' 5.0. SUMMARY AND CONCLUSIONS <br /> The implications from the September 2005 ground water monitoring event are as follows <br /> IAdvanced GeoEnvironmental,Inc <br />