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Ms.Lori Duncan,REHS <br /> September 20,2005 <br /> Page 2 <br /> lithology, and screened with a PID for laboratory analysis. At least one soil sample from each <br /> monitoring well boring will be submitted for laboratory analysis. A URS geologist will log the soils <br /> according to the Unified Soil Classification System. Total depth for the proposed monitoring well <br /> borings will be approximately 30-feet bgs (10 feet into groundwater). Proposed monitoring well <br /> locations are shown on Sheet 1. <br /> SVE/AS Well Completions <br /> i <br /> At the request of the property owner, Mr. Bill Halverson, remediation wells will be completed below `E <br /> grade and to match the surrounding landscape.Each well will be completed at least 1-foot below grade, <br /> with a steel plate placed over the top, and then covered with material to match the surrounding ground <br /> surface.The wells will be inaccessible from the surface. <br /> Following remediation activities,URS will abandon the remediation wells by pressure grouting through <br /> the remediation system piping.Each remediation well will have dedicated piping running from the well <br /> location to the treatment system compound. The wells can be individually abandoned by accessing the i <br /> piping at the compound and pressure grouting through the dedicated piping. The wells will be <br /> pressurized to 50 pounds per square inch(PSI)to insure that the grout enters the filter pack around each <br /> well screen. <br /> "r <br /> If you have any questions or comments regarding this workplan,please call Mr. Vernon Elarth at(916) ! <br /> 679-2299. <br /> f <br /> Sincerely, RED GEG <br /> URS Corporation Americas Q c' PAU( OGi <br /> �-A <br /> 7 <br /> 2- No. 7 0 <br /> Vernon Elarth,RG * Exp. <br /> Project Manager d Q <br /> VF/pg Tq�OF(G;WW Rte\ <br /> Attachments: Sheet 1,Site Plan <br /> cc: Mr.Nuel Henderson,SCDER <br /> Mr.Kyle Christie,Atlantic Richfield Company <br /> Mr.James Barton,CVRWQCB <br /> Mr.Bill Halverson,Property Owner <br /> Mr.Monty Zorb,RZ Carwashes,LLC. 7808 Kelley Drive,Suite F,Stockton,CA 95207 <br /> Project File <br /> x <br /> a. <br /> s. <br /> e <br /> k <br /> V <br /> K:\Wpmcess\15 BP ARCO\02168\2005 System lostallatim\SVE-AS Sys]nsWP Addendumdx Fs <br /> F <br />