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. 15 April 1993 riv r -•� <br /> Mr Kenneth Earnest ' ` �' " ' L-S <br /> Ultramar Inc <br /> 525 west Third Street <br /> Hanford, California 93230 <br /> Subject: Beacon Service Station #695 <br /> 4th Quarter SVES Monitoring Report <br /> 500 SCFM Catalytic Incinerator <br /> 900 South Cherokee Lane <br /> Lodi, California <br /> Dear Mr Earnest <br /> This report presents you with the results of the monitoring conducted on the soil vapor <br /> extraction system (SVES) and 500 standard cubic feet per minute (scfm) catalytic <br /> incinerator at the above site during the 4th Quarter of 1992 (5 October 1992 to 29 <br /> December 1992) The SVES began operation in July 1991 <br /> The report includes an overall summary of the quarterly remediation statistics, a <br /> description of the individual monitoring, tabulated results, and copies of the reports of the <br /> laboratory analyses of vapor samples collected form the system <br /> A site1?lan is also included showing the layout of the SVES and the location of the <br /> individual vapor extraction system which consists of 16 monitoring wells, 6 vapor <br /> extraction probes, a 6" diameter recovery well <br /> I PROGRAM STATUS REPORT - 4TH QUARTER 1992 <br /> A summary of the remediation system performance statistics for the period October <br /> through December 1992 are presented in the following table <br /> FOURTH QUARTER 1992 REMEDIATION STATISTICS <br /> Soil Vapor Extraction System Beacon Station#695 <br /> Lodz, California <br /> Hydrocarbon Mass extracted - 4th Quarter 5,654 lb <br /> Hydrocarbon Mass Extracted -Program to Date 67,722 lb <br /> Benzene Mass Extracted - 4th Quarter 32 lb <br /> Benzene Mass Extracted -Program to Date 554 lb <br /> Average Hydrocarbon Extraction Rate - 4th quarter 99 lb /day <br />