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I <br /> { <br /> laboratory analyzes of those samples is summarized on TABLE II <br /> PLATE V is a three dimensional sketch of the site showing <br /> lithology & other features encountered during the excavation <br /> January 3, 1995 - Wm J Hunter & Associates, (WJH, ) prepared an <br /> interim report giving details of the work, refer to that document <br /> for more details <br /> February 15, 1995 - The San Joaquin County PHS, Environmental <br /> Health Division responded to that report, requiring additional <br /> work, a copy of that correspondence is included as EXHIBIT A <br /> April 10, 1995 - WJH submitted a workplan for placing seven (7) <br /> soil borings, & converting three of them to groundwater <br /> monitoring wells . A copy of that workplan is included as <br /> EXHIBIT B <br /> July 14, 1995 - Package submitted to Technical Review Unit, <br /> Underground Storage Tank Cleanup Fund for pre-approval of cost <br /> estimates <br /> • July 18, 1995 - Approval received by Cleanup Fund staff <br /> August 1, 1995 - FAX to San Joaquin County EHD with revision to <br /> workplan One (1) soil boring dropped, and locations changed <br /> slightly, see EXHIBIT D <br /> DISCUSSION OF WORK PERFORMED UNDER WJH WORKPLAN <br /> On August 3 , 1995, Wm J Hunter, RG from Wm J Hunter & <br /> Associates arrived on location at 0815 hours, marked locations <br /> for rig & discussed operation with Paul Souva of Valley Wholesale <br /> Drug Co V & W Drilling Co auger rig and support truck arrived <br /> at 0845 hours, driller was Robert Vickery Rig equipped with 5 <br /> foot lengths of clean, 8 1/4" OD hollow-stem augers, and two 18" <br /> California Modified split-spoon sampler designed to hold 2" <br /> diameter sleeves After holding a safety meeting and discussing <br /> the work, the rig was mobilized over the location marked for <br /> monitoring well ##2, refer to PLATE VI for its , location Due to <br /> equipment malfunction a PID meter was not available for use in <br /> screening soil samples <br /> After cutting a hole in the asphalt, drilling began at 0905 <br /> hours, surface soils consisted of black to brown sticky clay <br /> loam At a depth of 51 , the drill plug was removed, and a clean <br /> sample barrel filled with 2" X 6" tubes was lowered into the <br /> auger flights It was driven from 5 ' to 616" with the drive <br /> hammer - blow counts were 7-12-15 The sample chamber was <br /> E <br /> 4 <br />