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CECCffiM, CECCHINI,AND GIOVAMYOM,FUELING ISLAM? <br /> between the depths of 63 feet bgs and 83 feet bgs Blank casing was installed above the screened <br /> interval to the surface The annulus between the screen casing and bore hole was filled with a <br /> No 3 aqua sand to a depth of 61 feet bgs. Approximately 3 feet of bentonite seal was placed <br /> above the sand pack by adding bentonite pellets and hydrating with water. A cement grout seal <br /> was place above the bentonite seal to the surface A traffic rated vault box was installed at the <br /> surface to protect the well head Each well head was capped with a lockable expansion plug <br /> Well construction details are illustrated on the Boring Log and Well Completion Summary in <br /> Appendix A <br /> 2.3 WELL ID EVE L®IPRTEN IP <br /> On April 11, 1995, ESE personnel supervised the development of each new monitoring well by <br /> Spectrum Drilling Services Well development consisted of surging and removal of fines using a <br /> steel bailer On April 14, 1995, ESE personnel returned to the site to supervise additional <br /> purging of the wells by Automated Environmental Services Well development and purging was <br /> completed by the recovery of clear ground water after 60 gallons had been removed from UST-2, <br /> 60 gallons from UST-3, and 45 gallons from UST-4 <br /> 2A WELL =ADSURVEY <br /> A survey of the top of casing elevations of all wells onsite was made by Frame Surveying & <br /> Mapping, of Davis, California Top of casing elevations ranged from 27 64 feet to 30 15 feet <br /> relative to City of Stockton Benchmark No 191 The transmittal of these information dated May <br /> 18, 1995 is presented in Appendix B <br /> F 1692540012QM95 RPT 3 Environments!Science do Engineering,Inc <br />