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L <br /> r � w <br /> Ms.Lisa Middleton October 19,2000 <br /> Page 2 Project No.2007-0065-01 <br /> { Laboratory, for chemical analysis with appropriate chain-of-custody documentation. <br /> Analytical results of samples collected on August 15 and 21, 2000 are included in Appendix <br /> A. The total flow into the catalytic oxidizer was determined by the inline flow meter and <br /> verified by use of a field manometer. All field measurements were recorded on field data <br /> sheets, included in Appendix B. <br /> Analytical results of the soil vapor samples collected during the source tests were used to <br /> calculate mass extraction and emission rates and destruction efficiencies. Table 1 presents a <br /> ' summary of the system operating parameters, analytical results and destruction efficiencies. <br /> Example calculations are included in Appendix C. <br /> { Soil vapors were extracted on August 15, 2000 at the rate 15.9 lbs/day total petroleum <br /> hydrocarbons as gasoline (TPHG), emitted at 0.81 lbs/day TPHG, with an efficiency of <br /> 94.9%. The flow rate through the system was calculated to be 32.16 cfm. Soil vapors were <br /> extracted on August 21, 2000 at the rate 4.39 lbs/day TPHG, emitted less than 0.03 lbs/day <br /> TPHG, with an efficiency of greater than 99.3%. The flow rate through the system was <br /> +' calculated to be 34.88 cfm. <br /> 4 S <br /> i The overall results of the source tests demonstrate compliance with the conditions listed in the <br /> ATC;';therefore, Straus requests that the San Joaquin Valley Unified Air Pollution Control <br /> I District issue a permit to operate (PTO) for the SVE system. <br /> { If you have any questions, please me at(530) 676-6001. <br /> Sincerely, <br /> STRATUS V1R NMEWAL, INC. <br /> G wtha <br /> Project Manager <br /> Attachments: Table 1 Summary of Analytical Results <br /> Figure 1 Site Topographic Map <br /> Figure 2 Site Layout <br /> Appendix A Laboratory Analysis Reports and Chain-of-Custody Records <br /> Appendix B Field Data Sheets <br /> Appendix C Example Calculation: Destruction Efficiency <br /> cc: , Mr. Srikanth Dasappa, USA Gasoline Corporation <br /> Mr. Harlan Knoll, San Joaquin County Public Health Services <br /> Ul <br /> C:Trojeci FileslUSA Gasoline10651Corresponden cc\Middleton-Source Test.doc 5TRATUS <br />