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TABLE 3 <br /> OPERATIONAL UPTIME AND FLOW RATE <br /> FOR SOIL VAPOR EXTRACTION SYSTEM <br /> • USA Gasoline Station 65 <br /> 2500 West Lodi Avenue <br /> Lodi,California <br /> Date Hr. Meter Flow Rate Vaccum Das Between Sampling Dates Cumulative Das Percent <br /> Reading (cfm) ("WC) Total Days Uptime Total Days Uptime Uptime <br /> 1/21/02 24317 49.1 40 13 12.38 524 427.17 95% <br /> 2/4/2002 System down due to electrical problems <br /> 2/26/2002 24506 System Restarted <br /> 3/4/2002 24645 73.63 40 42 13.67 566 440.84 33% <br /> 3/18/02' 24964 73.63 40 14 13.29 580 454.13 95% <br /> 4/1/2002 25300 58.90 44 14 14.00 594 468.13 100% <br /> 4/22/2002 25804 49.10 40 21 21.00 615 489.13 100% <br /> 5/7/2002 26164 44.17 40 15 15.00 630 504.13 100% <br /> 5/20/2002 26477 44.17 40 13 13.04 643 517.17 100% <br /> 6/4/2002 26835 49.1 30 15 14.92 658 532.09 99% <br /> 6/25/2002 27340 36.8 30 21 21.00 679 553.00 100% <br /> 7/8/2002 27651 36.81 30 13 12.96 1 692 1 565.96 1 100% <br /> 7117/02 2 27685 System shutdown due to low influent concentrations <br /> 8/12/2002 27688 75 1 10 1 26 1 0.12 1 718 566.08 1 0.5% <br /> System start-up under new SJVAPCD Permit:N-4887-1-0. SVE system with 2.3hp blower and two 1,000- <br /> 8/1/2003 pounds carbon vessels <br /> 8/1/2003 NM 78.56 18 -- -- -- -- -- <br /> 8/13/2003 117 65 18 -- -- -- -- -- <br /> 8/18/2003 240 65 18 5 5.13 5 5.13 100% <br /> 8/18/2003 SVE system shutdown due to low destruction efficiencies and carbon break-through <br /> 10/22/2003 SVE s stem re-started after carbon change-out <br /> 10/22/2003 241 58.86 10 -- -- -- -- <br /> 10/30/2003 430 32.7 10 8 7.88 8 7.88 98.4% <br /> 11/3/2003 523 21.8 10 4 3.88 12 11.75 96.9% <br /> 11/10/2003 695 43.6 10 7 7.17 19 18.92 100% <br /> 11/17/2003 859 43.6 10 7 6.83 26 25.75 97.6% <br /> 11/24/2003 1,030 39.25 12 7 7.13 33 32.88 100% <br /> 12/2/2003 1,223 43.6 20 8 8.04 41 40.92 100% <br /> 12/8/2003 1,362 43.6 20 6 5.79 47 46.71 96.5% <br /> 12/15/20031 1,532 43.6 20 7 7.08 54 53.79 100.0% <br /> 12/22/20033 1,702 43.6 20 7 7.08 61 60.88 100.0% <br /> 2/19/2004 1,703 43.6 6 59 0.04 120 60.92 0.1% <br /> 2/26/2004 1,870 43.6 3 7 6.96 127 67.88 100.0% <br /> 3/4/2004 NM 43.6 4 7 7.00 1 134 1 NM 100.0% <br /> 3/11/2004 2,209 45.3 4 7 14.13 1 141 1 82.00 100.0% <br /> 3/12/20043 2,241 System shutdown pending replacement of a carbon adsorption system with a catalytic oxidizer <br /> • <br /> USA_65_QUWerly_0&M Page 2 of 4 5WATUS <br />