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TABLE 7 <br /> OPERATIONAL UPTIME AND FLOW RATE <br /> FOR SOIL VAPOR EXTRACTION SYSTEM <br /> • Former ARCO Station No 6100 <br /> 25775 South Patterson Pass Road <br /> Tracy, California <br /> Hr Meter System Inf App Vac Days Between Sampling Cumulative Days Percent <br /> Date Flow Rate Dates <br /> Reading acfm) ("WC Total Das U time Total Das Uptime Uptime <br /> Between March 9,2004 and November 2004,two 200 cfm King, Buck,&Associates SVE system were operated at the <br /> site Operational data for these SVE systems are included in Appendix D System operated under PTO No N-5026-1-0 <br /> &N-5026-2-0 <br /> A Solleco 500 cfm SVE system was installed at the site to replace King,Buck&Associates SVE <br /> 5/16/2005 systems The start-up of Solleco 500 cfm SVE system was conducted in accordance with ATC No N- <br /> 5026-2-3 <br /> 5/16/2005 5,4163 191 89 1904 System Start-up,collect samples and shutdown awaiting <br /> compliance verification <br /> 5/20/2005 5,4228 4452 231 2 System start-up for continuous operation after compliance <br /> verification <br /> 5/26/2005 5,5750 417 1 2448 1 639 634 639 634 99% <br /> 5/31/2005 5,6588 NM NM 465 349 11 04 9 83 75% <br /> 6/1/2005 5,659 1 Sy stem re-started after re-fillet with vrovane <br /> 6/1/2005 5,660 1 324 231 2 1 05 005 1208 989 5% <br /> 6/7/2005 5,804 0 335 231 2 6 01 600 1809 15 88 100% <br /> • 6/14/2005 2 5,879 4 2772 231 2 690 3 14 2499 1903 46% <br /> 6/17/2005 5,9522 2352 231 2 3 25 3 03 28 23 2206 93% <br /> 7/6/2005 6,4049 338 680 18 84 18 86 4707 4092 100% <br /> 7/20/2005 6,741 6 269 680 1406 1403 61 13 5495 100% <br /> 7/26/2005 6,8844 257 680 590 5 95 6703 6090 100% <br /> 8/2/2005 7,0536 23925 81 6 698 7 05 7401 6795 100% <br /> 8/16/2005 7,391 5 252 81 6 1420 1408 8820 82 03 99% <br /> 8/22/055 15 NM 255 408 -- -- --8/22/05800 7,533 7 247 95 2 5 93 592 94 13 8795 100% <br /> 8/26/2005 7,6308 242 1360 4 04 405 98 17 9200 100% <br /> 9/6/2005 7,896 0 119 1224 It 05 1 11 05 10923 10305 100% <br /> 9/19/2005 8,208 5 1 19575 95 2 1278 1 13 02 12201 11607 100% <br /> 9/19/2005 System shutdown due to potential bearing malfunction in the liquid ring blower <br /> Notes <br /> ' System observed non-functional due to low propane System shutdown pending propane re-fill <br /> System observed non-functional due to low pressure System re-started after troubleshooting the <br /> main gas valve control <br /> acfm-actual cubic feet per minute NM-Not Measured <br /> Cons -Consumption Inf -Influent <br /> "WC-Inches Water Column App -Applied <br /> Vac -Vacuum cu ft -cubic feet <br /> ARCO_6100 Quarterly_O&M_500cfm Page I of 1 5TRA-US <br />