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of removed wells Started backfilling with pea gravel to 10 <br /> feet below surface <br /> March 4, 2003 Finished backfill with pea gravel to 3 1/2 feet below <br /> surface <br /> March 11, 2003 Started compaction backfill with clean road base, placed <br /> piping laterals and traffic boxes in excavation for future <br /> monitor well placement <br /> March 13, 2003 Cleaned and emptied Baker Tank All stored water in <br /> Baker tank, sent through 4 water carbon units and then <br /> discharged to sewer All solids accumulated in Baker <br /> Tank, placed into contaminated soil compound <br /> March 14, 2003 Baker Tank removed from site <br /> March 17-21, 2003 Completed compacted backfilling, readied site for <br /> resurfacing <br /> April 14, 2003 Resurfaced with asphalt <br /> Apnl 23, 2003 Loaded, transported and disposal, 638 tons of gasoline <br /> contaminated sods to Forward Landfill <br /> ME LOCATION AND D ESCRIDMON <br /> The site address is 1876 Country Club Blvd , Stockton, CA It is located at the southeast <br /> corner of the intersection of Mission Street and Country Club Blvd (Figure 1) The <br /> property is located in projected Section 4, TIN, R6E of the MDB&M at approximately <br /> five feet above mean sea level The north corner of the property at Country CIub Blvd <br /> and Mission Road is at N370 58 044' Latitude and W121019 393' Longitude (Delonne sa <br /> 7 0) On May 1, 2001 Land Surveyors KjeIdsen, Sinnock & Neudeck, Inc surveyed the <br /> positions, top of casing and surface elevations of all wells associated with this site, see <br /> Appendix B Figures 3 has been revised to this new survey along with Table 1 All <br /> associated figures showing site conditions are based on the new Figure 3 <br /> The property previously contained two 1000 gallon gasoline Underground Storage Tanks <br /> (UST's), product dispensers, and associated underground piping (Figure 3) The UST's, <br /> dispensers, and piping were removed from the site in 1989 <br /> The property owner originally installed five onsite monitoring wells Three additional <br /> cluster wells have been installed to aid in the investigation of soil and groundwater <br /> conditions at the site Monitor well MWl has been destroyed, prior to the pump test <br /> LOCAL GEOLOGY AllT.1D In-DROGEOLOGY <br /> The site is located on surface soils belonging to the Stockton Adobe Clay and Honeycut <br /> Clay series They are derived from Recent alluvial fan and floodplain deposits The 40 <br /> feet of explored section consisted of clay and silt overlying interbedded lenses of silty <br /> and clayey sands below 12 feet This first sandy formation will be designated the A zone <br /> 4 SOIL REMOVAL APRIL 2003 <br />