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ARCO PRODUCTS COMPANY VES OPERATING REPORT,ARCO 2093 <br /> Facility# 2093 <br /> Facility address 3425 Tracy Blvd Tracy,CA <br /> ARCO engineer Mr Kyle Christie <br /> Consultant [project manager] Brown and Caldwell [Steve Misner,(91[6)444-01231 <br /> Lead agency CRWQCB,Central Valley Region, San Joaquin Co <br /> Public Health Dist <br /> Reporting period 6/21/96-9/16/96 <br /> Equipment inventory King-Buck Hasstech 100 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-3413-1-0 <br /> Status for reporting period <br /> The King-Buck 100 cfm catalytic oxidizer was installed at the site in November 1995 and and began operation in January of <br /> 1996 The system currently operates without air sparging due to high influent concentrations from the vapor well field The <br /> system operated 25%of the reporting period and removed 777 pounds of hydrocarbons at an average extraction rate of 71 cfm <br /> with dilution air <br /> The oxidizer influent and effluent VOC concentrations are monitored on monthly site visits using a photo lonionization detector <br /> (PID)only per requirements The PID readings measured this period indicate the effluent concentrations were in compliance with <br /> SJVUAPCD requirements The influent concentrations to the oxidizer averaged 557 ppm The system will operate on a continual <br /> schedule for the fourth quarter of 1996 <br /> Operating mode Catalytic oxidation <br /> TPH conc end of period(PID, ppmv) 702 <br /> Flowrate end of period 80 <br /> HC destroyed this period(PID, lbs) 777 <br /> Soil vapor extraction system <br /> Operating hours this period 2202 <br /> Percent up time 25% <br /> Operating hours to date 2,215 <br /> Air sparge system (Not operating, influent concentrations are high) <br /> Operating hours to date 0 <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 1 TPH-G Concentrations vs Time <br /> Chart 2 Cumulative Hydrocarbons Removed(as TPH-G)Vs Time <br /> Assumptions <br /> I The quantity of hydrocarbons removed was estimated using the influent TPH concentrations <br /> at the oxidizer inlet <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 /> 3 Source flow process flow and source vacuum are based on averages established during site visits <br />