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Table 8 <br /> Dual Phase Extraction System-Operating Data <br /> Parcel 2A-L&M OU <br /> 666 West Weber Avenue,Stockton,CA <br /> Period Influent Effluent <br /> Hourmeter Totalizer System Volume Average Flow Well Field Operating System Flow VOc VOc VOC' <br /> Reading Reading Flow Discharged Flow Rate Rate Temperature Temperature Pressure Rate [FID] [FID] Removed <br /> Date (hours) (gal) (gal/day) (gpm) (°F) (°F) (in H20) (scfm) (ppmv) (ppmv) (Ib/day) pH 12 Notes <br /> Notes continued: <br /> 17 =System shut down with regulatory approval for remainder of 4Q11 due to declining influent concentrations. Will be restarted following rebound testing. <br /> 18=System restarted <br /> 19=System measurements not collected during this visit. <br /> 20=System measurements taken post blower on and after this date.System Vacuum now System Pressure in units of'in HZO' <br /> 21 =VOCs measured with a photoionization detector on this date. <br /> 22=System off,system measurments not collected on this date. <br /> 23=LEL meters replaced,purge water processed,samples collected.System shutdown after event. <br /> 24=Totalizer value inadvertinley not recorded during 3/27/14 sampling event. Value used is the value obtained during the 3/31/14 end of month reading. <br /> 25'=Groundwater monitoring and sampling purged water processed over approximately 3.3 hours on site visit conduct on July 16,2014 and flow rate calculated accordingly. <br /> V:\1857\active\tidewater\185750217_tidewater_stockton_p2a\05_report_deliv\drwgs_designs\tables\O&M Tables 2014\3Q14\Parcel 2A OM Tables 3Q14.xlsx Page 5 of 66 <br />