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IONIC � I . _ 4r iiiiiiiii <br /> TABLE 2 (Continued) <br /> (Page 4 of 6) <br /> SUMMARY OF SOIL-VAPOR <br /> EXTRACTION OPERATIONS DATA <br /> Pacific Bell Facility UE-132 <br /> Stockton, California <br /> SVE SVE Air velocity <br /> Welt OVM' Sample Back Vacuum EW6 EW7 EW8 <br /> Date Configuration Amperes Reading Taken Temp. Pressure Pressure SCFM, SCFM SUM Comments <br /> (ppm)' (°F)' (in H20) in H10) (vacuum)' (vacuum) (vacuum) <br /> I <br /> 6/11/91 EW6(c), EW7(c) 11.5 28.9 yes 940 4.3 10 49.10 48.90 48.90 System off & ALL <br /> EW8(c) wells closed <br /> 6/14/91 EW6(c), EW7(o)` 10 40 820 3.0 21 49.00 -- -- System switched on <br /> EW8(o) <br /> 6/17/91 EW6(c), EW7(o) 10 31.8 yes 90° 5.0 28.5 48.50 -- <br /> EW8(o) <br /> 6/21/91 EW6(c), EW7(o) 10 45.7 85° 4.5 18.5 48.50 -- -- System switched off <br /> EW8(o) <br /> 6/28/91 EW6(c), EW7(o) 10 70 6T 3.8 19 48.90 -- -- System switched on <br /> EW8(o) <br /> 7/3/91 EW6(c), EW7(o) 10 22.4 yes Be 7.4 32 48.10 -- -- System switched on <br /> EW8(o) <br /> 'Organic vapor meter 'Standard cubic feet per minute <br /> 2Parts per million `(c) Well connected to SVE system <br /> 'Degrees Farenheit '(x) Well isolated and closed to atmosphere <br /> 'Inches of water vacuum equivalent a(o) Well isolated and open to atmosphere <br /> TAIFCI*i%k"$OiIINC. SACRAMENTO <br />