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TABLE 7
<br /> SOIL VAPOR EXTRACTION PERFORMANCE DATA
<br /> TOP FILLING STATION
<br /> 101 South Wilson Way, Stockton, California
<br /> Sample Influent Sample Operation Total OperationAverage TPR-g Net TPH-g Total TPH-g Net TPH-g Total TPH
<br /> I D Monitoring Period hours Hours Concentration Removed Removed(gallons) Removed(pounds) Removed(pounds)
<br /> 1 (gallons)
<br /> Sept &Oct 2004 744 744 71,333 573 573 3,578 3,578
<br /> Oct -Dec 2004 1,968 2,712 24,660 1,134 1,707 7,088 10,666
<br /> Dec 2004-Jan 2005 696 3,408 9,100 2163 1,923 1,352 12,018
<br /> Jan -Feb 2005 768 4,176 7,550 2432 2,166 1,520 13,538
<br /> Feb -Mar 2005 360 4,536 4,050 542 2,220 338 13,876
<br /> Mar -Apr 2005 669 5,381 5,000 1203 2,340 752 14,628
<br /> Influent Apr -June 2005 non operational
<br /> June-July 2005 552 5,933 1,440 281 2,368 1757 14,804
<br /> July-Aug 2005 408 6,341 2,900 589 2,427 3678 15,172
<br /> Aug -Sept 2005 888 7,229 2,550 1642 2,591 1,026 16,198
<br /> Sept -Oct 2005 794 8,023 1,150 62 4 2,653 3899 16,588
<br /> Oct -Nov 2005 673 8,696 660 266 2,680 1664 16,754
<br /> Nov -Dec 2005 425 9,121 1,310 30 2,710 1877 16,942
<br /> Dec 2005-Jan 2006 581 9,702 1,650 51 1 2,761 3196 17,262
<br /> Jan -Feb 2006 j 822 10,524 1,350 592 2,820 3699 17,632
<br /> Feb -Mar 2006 840 11,364 1 650 78 2,898 488 18,120
<br /> Notes
<br /> TPH-g concentrations reported as micrograms per liter
<br /> TPH-g total petroleum hydrocarbons quantified as gasoline
<br /> Advanced GeoEnvironmentai,Inc
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