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,EV <br /> TECIiNOLOGIES,INC <br /> 269 Mount Hermon Rd, 5urte 101 <br /> Scotts MY,, CA 950166-4029 <br /> (408)4387511 ` <br /> FAX(408)4387515 <br /> x <br /> 14 October 1942 � � I <br /> Mr. Kenneth Earnest <br /> Ultramar Inc. <br /> 525 West Third Street <br /> Hanford, California 93230 <br /> SUBJECT: BEACON SERVICE STATION NO. 492 <br /> 3rd Quarter 1992 SVES Monitoring Report <br /> 100 scfm Catalytic Incinerator <br /> 470 Main Street <br /> Manteca, California <br /> Dear Mr. Earnest: <br /> This report presents you with the results of the monitorings conducted <br /> on the soil vapor extraction system (SVES) at the above site during the <br /> third quarter of 1992. A transportable 100 scfm catalytic incinerator <br /> was used for vapor control on this operation. <br /> The entire short-term remediation program was completed over the period <br /> of 25 June to 15 September 1992. Since the bulk of the program was <br /> conducted during the 3rd quarter of 1992, the program totals are the <br /> same as those reported herein. <br /> This report does not detail the initial phase of remediation conducted <br /> at this site from 13 October to 17 November 1989 where approximately <br /> 2,250 lbs of hydrocarbons were extracted form the soil . A <br /> transportable internal combustion engine was used for vapor control <br /> during the initial phase of remediation. <br /> The report includes an overall summary of the quarterly remediation <br /> statistics, a description of the individual monitorings, tabulated <br /> results and copies of the reports of the laboratory analyses of vapor <br /> samples taken from the system. <br /> A site plan is also included showing the layout of the SVES and the <br /> location of the individual vapor extraction wells and probes. The <br /> vapor extraction system consists of four vapor recovery wells and one <br /> monitoring well . { <br />