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TABLE 8 <br /> OPERATIONAL UPTIME AND FLOW RATE <br /> FOR SOIL VAPOR EXTRACTION SYSTEM- UNIT 1 (SL. NO.: 9321) <br /> ARCO Facility No 6100 <br /> 25775 South Patterson Pass Road <br /> Tracy, California <br /> Date Hr Meter Flow Rate Vacuum Influent Das Between Sampling Cumulative Das Percent <br /> Reading scfm) ("WC PID my Total Das Uptime Total Das U time U time <br /> 03/09/04 NM 19307 10 330 System start-up,collect samples and shutdown awaiting <br /> analytical results <br /> 03/15/04 NM 19973 10 180 Sy stem start-u upon SJVAPCD approyal <br /> 03/23/04 NM 19640 12 230 8 __ 6 .- <br /> 03/29/04 NM 40 10 262 6 -- 12 <br /> 04/05/04 NM 142 04 1 10 783 7 -- 19 <br /> 04/12/04 NM 6657 10 707 7 -- 26 -- -- <br /> 04/19/04 0 306 25 ' 12 NM 7 33 <br /> 04/19/04 Install hour meter <br /> 04/26/04 170 99 86 i 10 362 7 7 40 40 2 100% <br /> 05/03/04 337 177 59 ' 10 380 7 7 47 47 100% <br /> 5/10/2004 3 504 NM NM NM 7 7 54 54 100% <br /> 05/17/04 5095 NM NM NM 7 0 61 54 100% <br /> 05/17/04 System re-started after replacing solid state relay <br /> 05/24/04 674 7989 ' 12 159 7 7 68 61 100% <br /> 05/28/04 7732 93 20 1 12 123 4 4 72 65 100% <br /> 06/07/04 1,009 8322 2 14 168 10 10 82 75 100% <br /> 06/29/04 1,537 66 57 3 17 141 22 22 104 97 100% <br /> "WC-Inches water column <br /> scfin- Standard cubic feet per minute measured using standard calibrated guages <br /> M-Not measured <br /> ' Includes dilution air flow rate <br /> Due to lack of hour-meter data prior to this and based on field notes,this value is estimated <br /> System shutdown to replace solid state relay <br /> ARCD_6100_0&M Page 1 of 1 5TRATU5 <br />