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• T� <br /> Dual Phase Extraction System-Operating Data <br /> Parcel 2A-L&M OU <br /> 666 West Weber Avenue.Stockton.CA <br /> Period Influent I Effluent <br /> Hourmeter Totalizer System Volume Average Flow Well Field Operating System Flow VOC I VOC VOCr <br /> Reading Reading Flow Discharged Flaw Rate Rate Temperature I Temperature Pressure Rate [FID] [FID] Removed <br /> Date hoursal al al aVda m °F F in H2O scfm my my Ihfda H" - Notes <br /> Notes continued: <br /> 6=Samples collected from wastewater treatment system.Carbon change-out needed, <br /> 9=System shut down following completion of vapor PAH sample collection. <br /> 10=System non-operational since 5/2005.No sampling and no discharge activities occurred. <br /> 11 =System effluent sampled on 7/6/2005 following startup. <br /> 12=Start-up on fresh GAC <br /> 13=PH measurement recorded in the field beginning December 9,2009. <br /> 14=Hourmeter and totalizer readings recorded on Feb 4,2010,al else occurred on Feb 5,2010. <br /> 15=System shut down on August 28,2010 due to the failure of the oil-water separator transfer pump. Repairs were made and me system was restarted on October 4,2010. <br /> 16=System hour meter was replaced. OPE wells were dosed during pilot test conducted from 11/16/10 to 11/19/10. No well field temperature or flow rate were collected:therefore,values from the most recent visit with the same system <br /> vacuum was used instead(07/12/10). <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 ager this date.System Vacuum now System Pressure in units Win Hz0' <br /> 21 =VOCs measured with a pholoionization detector on this date. <br /> 22=System off,system measunnents not calected on this dale. <br /> 23=LEL meters replaced,purge water processed,samples collected.System shutdown after event. <br /> 24=Totalizer value Imadvertinley 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 purge water processed over approximately 3.3 hours during site visa conduct on July 18,2014. Flow rate calculated accordingly. <br /> 28=Groundwater monitoring and sampling purge water processed over approximately 3.5 hours during site visit conduct on October 24,2014. Flow rate calculated accordingly. Hourmeter reading inadvertently not recorded during site <br /> visit. <br /> 27=Groundwater monitoring and sampling purge water processed over approximately 3.25 hours during site visit conduct on February 5,2015. Flow rale calwlated accemingly. Hourmeter reading inadvertently not recorded during site <br /> visit. <br /> VM 857\active\Lidewuen185750217 tdewater stockton_p2a\05_repod_deliv\drugs designs\tables\O&M Tables 2015\1 0 151Parcel 2A OM Tables l Q i S.xlsx Page 5 of <br />