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SOIL VAPOR EXTRACTION SYSTEM FIELD MEASUREMENTS <br /> Texaco Service Station . <br /> 440 Charter Way, Stockton, California <br /> AUTHORITY TO OPERATE No N-3139-1-0 <br /> Applied VE -3 ai 15-43 VE -1 3aE•`f5-r LS z5 VEW-2 ?v4 -Yo.s -?a s-- yv,r VEW-4 �S W- <br /> Vacuum Deep Shallow Shallow Deep Shallow Deep Deep Shallow <br /> Date { " h20} Flow fmp FID ppm Flow fmp FID ppm Flow fmp FID ppm Flow fmp FID ppm Flow fmp FID ppm Flow fmp FID ppm Flow fmp FID ppm Flow Fmp I FID ppm <br /> 12/22/97 45 - - - - - - 388 145 2400 100 377 100 390 50 5521 40 <br /> 01/06/98 50 - - - - - - 360 450 2255 500 375 20 385 40 570 <br /> 01/28/98 65 - - - - - - 1800 125 1440 20 405 25 301 35 488 <br /> 02/11/98 48 - - - - - - 1690 25 1380 15 3821 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 rmnute 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 /> "H20= Applied Vacuum in Inches of Water <br />