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i <br /> F' ARCO PRODUCTS COMPANY VES OPERATING REPORT,FIRST QUARTER,1997,ARCO 2093 <br /> Facility#: 2093 :S <br /> r.' <br /> Facility address: 3425 Tracy Blvd. Tracy,CA <br /> ARCO engineer: Mr.Paul Supple <br /> Consultant[project manager] : Brown and Caldwell [Steve Misner,(916)444-0123] <br /> Lead agency: CRWQCB;Central Valley Region,San Joaquin Co. <br /> Public Health' <br /> Dist. <br /> Reporting period: 12/20/96-3/31/97 <br /> I � <br /> Equipment inventory: King-Buck Hasstech 100 cfm catalytic oxider(MMC5-A) <br /> Shp,240V,3'phase ROTRON blower <br /> Knockout pot', <br /> f Conde dual-stage#6 sparge blower <br /> Sparge well and blower controller/timer(7-channel) I <br /> AQMD permit no. N-3413-1-0 <br /> Status for reporting period: <br /> fA King-Buck 100 cfrn catalytic oxidizer was installed on the soil vapor extraction system(SVE)in November, <br /> 1995 and and began operation in January of 1996. The influent soil vapor concentrations decreased significantly <br /> during the fourth quarter 1996 due to high water levels. As a result the SVE system was shutdown on January 13, <br /> 1997 and will not be restarted until groundwater levels decrease. The air sparging system remains off. <br /> Soil vapor extraction system <br /> Operating hours this period: 433 <br /> Percent up time: 18% <br /> I Operating hours to date: 3,383 <br /> a Operating mode: Catalytic oxidation <br /> is <br /> { TPH conc.end of period(PID,ppmv): 23 <br /> Flowrate end of period: 60 <br /> TPH destroyed this period(PID, lbs): 9 <br /> Air sparging system (Not operating) <br /> Operating hours to date: 0 <br /> {{ Attachments: <br /> `i <br /> Table 1. Soil Vapor Extraction and Treatment System Influent Data <br /> Table 2..Soil Vapor Extraction and Treatment System Effluent Data i <br /> Table 3.Soil Vapor Extraction Well Data <br /> Table 4.Dissolved Oxygen Concentrations <br /> Chart I.TPH-G Concentrations vs.Time <br /> Chart 2.Cumulative Hydrocarbons Removed(as TPH-G)Vs.Time <br />{ s <br /> tAssumptions: <br /> 1 iE <br /> 1.The quantity of hydrocarbons removed was estimated using the influent TPH concentrations <br /> kat the oxidizer inlet. <br />' 2.Percent up time was calculated by dividing actual operating hours as determined from hour meter <br /> 1 <br /> i. <br /> readings by the total hours of the reporting period. <br />+I <br /> d <br /> t ., <br />