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TABLE 1 <br /> UPPER VADOSE SOIL VAPOR EXTRACTION TEST- 18 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 -2 <br /> VW- 1 VW -3 VW -4 MW- IA MW -3 MW -4 MW-5 <br /> (20-301) (extraction (20-30' <br /> well; t0-20') ) ( 10-20') (20-40') (20-40') (20-401) (20-40') <br /> 0815 40 560 0 .20 54 0.05 0.25 0 0 0 0 <br /> 0830 40 582 0.20 54 0. 05 0.25 0 0 0 0 <br /> 0845 40 573 0.20 52 0 . 10 0 .25 0 0 0 .05 0 <br /> 0915 40 690 025 52 0 . 10 0 .25 0 0 .05 0 .05 0.05 <br /> 0945 40 700 0.25 52 0 . 10 0 .25 0 0 .05 0 .05 0.05 <br /> 1015 45 720 0.25 52 0 . 10 0 .25 0 0.05 0.05 0.05 <br /> 1115 45 744 0 .25 50 0. 10 0.25 0 0.05 0.05 0.05 <br /> 1215 45 830 0 .25 50 0. 10 0.25 0 0. 05 0.05 0.05 <br /> 1315 45 841 0 .25 50 0. 10 0.25 0 0. 05 0. 05 0. 05 <br /> 1415 45 920 0 .25 50 0. 10 0.25 0 0 .05 0. 10 0 .05 <br /> 1515 45 967 0.25 50 0. 10 0.25 0 0 .05 0 . 10 0 .05 <br /> 1615 45 974 0. 25 50 0 . 10 0 .25 0 0 .05 0 . 10 0 .05 <br /> Notes: <br /> scfm: standard cubic feet per minute <br /> ppm: parts per million <br /> Advanced GeoEnvironmental, Ine. <br />