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• ARCO PRODUCTS COMPANY SOIL VAPOR EXTRACTION AND <br /> TREATMENT SYSTEM OPERATING REPORT <br /> Second Quarter 1996 <br /> Facility# 2133 <br /> Facility address 2908 Benjamin Holt Dr Stockton,CA <br /> ARCO engineer Mr Kyle Christie <br /> Consultant[project manager] Brown and Caldwell [Steve Misner,(916)444-0123] <br /> Lead agency San Joaquin County Health Department <br /> Reporting period 3/27/96-6/21/96 <br /> Equipment inventory Airex KATOX 100 <br /> catalyst module <br /> 10 Hp Bal dor Motor 240VAC/I phase <br /> Gast Oilless Regenerative Blower <br /> ATI telemetry system <br /> Knockout pot <br /> MD Pneumatics sparge blower <br /> The SVETS was not operated during the second quarter of 1996 Rising groundwater levels have decreased the <br /> available screen within soil vapor extraction wells which results in the influx of water into the system The system <br /> will be restarted when groundwater levels decrease to a point where the SVETS can be operated efficiently The air <br /> sparging system was operated continuously through the second quarter of 1996 <br /> Operating mode Catalytic Oxidation <br /> • AQMD Permit#,AN N-78-3-0 <br /> End of period date 6/21/96 <br /> TPN conc end of period(PID,ppmv) NA <br /> Benzene conc end of period(Lab,ppmv) NA <br /> Flowrate end of period NA <br /> HC destroyed this period(FID, lbs) 0 <br /> HC destroyed this period(lab, lbs) 0 <br /> Utility usage <br /> Electric(KWH) 169 <br /> Gas(Therms) NA <br /> Operating hours this period 0 <br /> Percent up time 0% <br /> Operating hours to date —7872 <br /> Attachments <br /> Table I Soil Vapor Extraction and Treatment System Influent Data <br /> Table 2 Soil Vapor Extraction and Treatment System Effluent Data <br /> Table 3 Soil Vapor Extraction Well Data <br /> Table 4 Air Sparging Well Data <br /> Table 5 Dissolved Oxygen Concentrations <br /> Chart I TPH-G Concentrations vs Time <br /> Chart 2 Cumulative Hydrocarbons(as TPH-G)Removed vs Time <br />