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TABLE 2 <br /> Soil Vapor Extraction System Rield Measurements <br /> Former Texaco Service Station <br /> 440 Charter Way, Stockton, California <br /> AUTHORITY TO OPERATE No N-3139-1-0 <br /> Applied VEW-3 VEW-1 VEW 2 VEW4 <br /> Vacuum D Shallow Shadow Deep Shallow Dee Deep Shallow <br /> Date ( " h20) Flow fnip ppmV Flow frnp FID ppm Flow fmp FID ppm Flow fmp FID ppm Flow ftnp FID ppm Flow fmp FIT)ppm Flow imp FID ppm Flaw finp FID ppm <br /> 12/22/97 45 - - - - - - 388 145 2400 100 377 100 390 50 552 40 <br /> 01/06/98 50 - - - - - - 360 450 2255 500 375 20 385 40 570 65 <br /> 01/28/98 65 - - - - - - 1800 125 1440 20 405 25 301 35 488 35 <br /> 02/11/98 48 - - - - - - 16901 25 1380 15 382 15 351 10 412 10 <br /> 02/18/98 45 - - - - - - 1439 20 1380 10 394 10 362 5 400 10 <br /> 03/04/98 80 860 60 1610 80 518 80 - 8 - 2 393 30 389 30 409 35 <br /> 03/09/98 System Shut Down - - - - - - - - - - - - - <br /> Flow fpm = vapor extraction flow rate in feet per minute from 2-inch PVC line <br /> FID ppmV = concentration of extracted soil vapor in parts per million per volume <br /> -- = well not used for vapor extraction <br /> "1120 = Applied Vacuum in inches of Water <br />