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TABLE 7 <br /> OPERATIONAL UPTIME AND FLOW RATE <br /> FOR SOIL VAPOR EXTRACTION SYSTEM <br /> ARCO Facility 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 Uptime Total Das U time 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 Solieco 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 19189 190 4 System Start-up,collect samples and shutdown awaiting <br /> compliance verification <br /> 5/20/2005 5,4228 445 2 231 2 System start-up for continuous operation after compliance <br /> verification <br /> 5/26/2005 5,5750 417 244 8 6 39 634 639 634 99% <br /> 5/31/2005 1 5,6588 NM NM 465 349 1104 983 75% <br /> 6/1/2005 5,659 1 Sys em re-started after re-fillmg with propane <br /> • 6/1/2005 5,660 1 324 231 2 105 0 05 1208 9 89 5% <br /> 6/7/2005 5,8040 335 231 2 6 01 6 00 I8 09 15 88 100% <br /> 6/14/2005 2 5,8794 2772 231 2 690 3 14 2499 1903 46% <br /> 6/17/2005 5,9522 2352 231 2 325 1 3 03 1 2823 2206 93% <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_0&M_500cfm Page 1 of 1 STRATUS <br />