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J <br /> TABLE 1 <br /> LOWER VADOSE SOIL VAPOR EXTRACTION TEST - 17 JULY 2007 <br /> STALLWORTH AUTO SALES <br /> 602 North California Street, Stockton, California <br /> Vacuum Measurements (inches of water) <br /> Time Flow (scfm) PID (ppm) VW - 1 VW -2 VW -3 VW -4 MW -lA MW -3 MW -4 MW -5 <br /> (extraction ( 10-20') (20-30') ( 10-20') (20-40') (20-40') (20-40') (20-40') <br /> well ; 20-30') <br /> 0900 40 10,000+ -- 0.05 0. 10 0. 10 0 0 0 0 <br /> 0915 50 10,000+ 50 0. 15 0.20 0.25 0 0.05 0. 05 0 .05 <br /> 0930 55 101000+ 50 0.20 0.25 0.25 0 0 .05 0 .05 0 .05 <br /> 1000 60 105000+ 52 0.20 0.25 0.30 0 0 .05 0 . 10 0 .05 <br /> 1030 60 101000+ 52 0.20 0.25 0.30 0 0. 10 0 . 10 0 .05 <br /> 1100 60 101000+ 52 0.20 0.25 0.30 0 0 . 10 0 . 10 0 .05 <br /> 1200 55 10,000+ 50 0.20 0.25 0.30 0 0 . 10 0 . 10 0 .05 <br /> 1300 65 10,000+ 48 0.20 0.25 0.30 0 0 . 10 0 . 10 0 .05 <br /> 1400 60 10,000+ 50 0.20 0.25 0.30 0 0 . 10 0 . 10 0 .05 <br /> 1500 55 101000+ 50 0.20 0.25 0.30 0 0 . 10 0 . 10 0 .05 <br /> 1600 55 105000+ 50 0 .20 0 .25 0 .30 0 0 . 10 0 . 10 0 .05 <br /> 1700 55 1 10,000+ 50 0 .20 0 .25 0 .30 0 0 . 10 0 . 10 0 .05 <br /> Notes: <br /> scfm. standard cubic feet per minute <br /> ppm: parts per million <br /> Advanced GeoEnvironmental, Inc. <br />