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CAMBRIA <br /> in anticipation of removal of the waste oil UST, which is located immediately adjacent to the <br /> sanitary sewer line. Cambria will be able to resume groundwater extraction from well RW-1A <br /> once the waste oil UST excavation has been backfilled and the sewer lateral has been secured. <br /> UST backfill activities are currently scheduled for Monday, November 15, 2004. <br /> Overexcavation is also planned in an area adjacent to the former waste oil UST location, as part <br /> of the July 16, 2004 Corrective Action Plan/Overexcavation Work Plan. During overexcavation <br /> activities, groundwater extraction system piping and the sanitary sewer lateral will be exposed, <br /> and Cambria will once again shut the GWE system down because of the risk of damage to the <br /> unsupported piping. Overexcavation activities are currently scheduled to begin the week of <br /> © November 22, 2004. These activities, followed by backfill and compaction of clean imported <br /> soil, are expected to take approximately three weeks. As soon as they are completed and all <br /> underground plumbing associated with the remediation system is re-secured, we will <br /> immediately inform you and then resume operation of the GWE system. <br /> If you have any questions regarding the contents of this document, please call Joe Neely at (707) <br /> 933-2361 . <br /> I <br /> Sincerely, <br /> Cambria Environmental Technology, Inc. <br /> Cyn 'a asko Av�yUV{ <br /> Senior Staff Engineer <br /> Joe W. Neely, RG <br /> Senior Project Geologist <br /> RG 6927 <br /> cc: Ms. Karen Petryna, Shell Oil Products US <br /> Mr. James Barton, Central Valley Regional Water Quality Control Board <br /> Mr. Dennis Johnson, Shell Oil Products US <br /> Mark Owens, SWRCB-CUF <br /> David Irey, San Joaquin County District Attorney Office <br /> 1 <br />{ 0783 3 <br />