Laserfiche WebLink
ARCO PRODUCTS COMPANY <br /> SOIL VAPOR EXTRACTION AND TREATMENT SYSTEM OPERATING REPORT <br /> SECOND QUARTER,1997,FACILITY 2093 <br /> • Facility# 2093 <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 District <br /> Reporting period 3/31/97-6/30/97 <br /> Equipment inventory King-Buck Hasstech I00 cfm catalytic oxider(MMC5-A) <br /> 5 hp,240V,3-phase ROTRON blower <br /> Knockout pot <br /> Conde dual-stage#6 sparge blower <br /> Sparge well and blower controller/timer(7-channel) <br /> AQMD permit no N-34I3-1-0 <br /> Status for reporting period <br /> A King-Buck 100 cfm catalytic oxidizer was installed on the soil vapor extraction and treatment system(SVET)in <br /> November, 1995,and began operation in January of 1996 The influent soil vapor concentrations decreased <br /> significantly during the fourth quarter 1996 due to high water levels As a result the SVET system was shutdown <br /> on January 13, 1997,and was not restarted until groundwater levels decreased The SVET was restarted on June <br /> 18, 1997,at an influent concentration of 370 ppm The air sparging(AS)system was also started on June 18, <br /> 1997,but was turned off on June 25, 1997 The AS system was turned off because flow was confirmed in only <br /> one sparge well and the AS system had little effect on the influent concentrations to the SVET <br /> Soil vapor extraction system <br /> Operating hours this period 175 <br /> Percent up time 8% <br /> Operating hours to date 3,562 <br /> Operating mode Catalytic oxidation <br /> TPH-G conc end of period(PID,ppmv) 370 <br /> Flowrate end of period(CFM) 45 <br /> TPH-G destroyed this period(PID, lbs) 45 <br /> Air sparging system (Not operating) <br /> Operating hours to date 175 <br /> Attachments <br /> Table 1 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 Dissolved Oxygen Concentrations <br /> Chart 1 TPH-G Concentrations Versus Time <br /> Chart 2 Cumulative Hydrocarbons Removed(as TPH-G)Versus Time <br /> Assumptions <br /> I The quantity of h)drocarbons removed teas estimated using the influent TPH concentrations <br /> at the oxtdizer in]eL <br /> 2 Percent up time was calculated by dividing actual operating hours as determined from hour meter <br /> readings by the total hours of the reporting period <br />