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ri <br /> sewer line contain any detectable concentrations of any of the compounds <br /> tested The effluent water sample analytical reports and chain of custody <br /> records are attached in Appendix B <br /> Induent Water Samal <br /> On March 12, 2001, ASE collected an influent water sample (INF 03- 12- <br /> 01) This sample was analyzed by Kiff Analytical of Davis, California (FLAP <br /> #2236) for a full scan EPA Method 8260B and for TPH as diesel by FPA <br /> Method 8015 The analytical results for this sample are tabulated in the <br /> Tables Section of this report as Table One The influent water sample <br /> analytical report and chain of custody record is attached in Appendix B <br /> Monthly Fuel Recovery Calculation <br /> The influent TPH-G concentration was used to calculate the estimated <br /> mass removed from the site during the month based on total gallons <br /> treated The Monthly Performance Log is presented as Table Two in the <br /> Tables Section of this report It shows that based on the number o f <br /> gallons extracted in the month of March 2001, which was 200,420 <br />' gallons, and assuming a constant TPH-G concentration of 4,500 parts per <br /> billion in the influent water stream, the system recovered 1 22 gallons of <br /> gasoline from the groundwater beneath the site To date, it is estimated <br /> that nearly 31 gallons of gasoline have been removed from the <br /> subsurface <br /> iShould you have any questions regarding this report, or require any <br /> additional information, please feel free to call me at (925) 820-9391 <br /> Respectfully submitted, <br />' <br /> F <br /> CIENCE ENGINEERS, INC <br /> Allen <br /> Senior Project Engineer <br /> Attachments <br /> cc Mr Frank Guinta, Property Owner <br /> Mr Don Thompson <br /> IMr Marty Hartzell, RWQCB <br /> Mr Mark Owens, UST Cleanup Fund <br /> Mr Jim Podesta, City of Manteca <br /> Prank's One Stop Remediation System Monthly Report — March 2001 <br /> -3- <br />