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U • • <br /> 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 /> SVEIAS Well Completions <br /> At the request of the property owner, Mr. Bill Halverson, remediation wells will be completed below <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 <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 /> If you have any questions or comments regarding this workplan, please call Mr. Vernon Elarth at (916) <br /> 679-2299. <br /> Sincerely, �EtED GEO�O <br /> URS Corporation Americas ON PAU( <br /> No. 7 0 <br /> Vernon Elarth, RG * Exp. G <br /> Project Manager <br /> VE/gng <br /> q�OF CAO�� <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 /> KAWprocessV5 BP ARCOt02168t2005 System InstallatimltSVE-AS SyslnsWP Addendum.dm <br />