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i <br /> f I <br /> January 3 19 5 - 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 B <br /> The following workplan has been prepared to comply with that <br /> document <br /> WOR PLN FOR PLA N 7 IL BORINGS AT 1401 W FREMONT <br /> ST ST C TON CA & QQNVERTING THREE 3 TO GROUNDWATER <br /> MONITORING WELLS, <br /> NOTES ( 1 ) Locations of underground utilities will be identified <br /> prior to beginning work Soil borings/monitoring <br /> well locations will be clearly marked prior to mobil- <br /> izing equipment <br /> ( 2 ) All drilling & completion operations will be done <br /> under the direction of a geologist from WJH <br /> 1 Mobilize V & W Drilling Co auger rig & support truck <br /> equipped with suffficient 8" or 10 nominal size, hollow-stem <br /> augers to complete each soil boring/monitoring well without <br /> having to decontaminate equipment The tentative locations of <br /> the seven (7 ) auger holes/wells are shown on PLATE VI , final <br /> locations may vary slightly due to interference from underground <br /> utilities A drilling permit application & required fee <br /> accompanies this workplan A general health & safety plan is <br /> attached as EXHIBIT C <br /> 2 Soil samples will be taken at 5' intervals from 5 ' below <br /> grade to the capillary fringe, which is estimated to be at about <br /> 12' bgl Coring equipment will consist of either an 18" or 30" <br /> California Modified split-spoon sampler designed to hold metal <br /> tubes for obtaining soil samples At least one ( 1 ) tube will be <br /> preserved for analysis by placing teflon tape over the ends of <br /> the tube, covering with plastic caps , and sealing with duct tape <br /> Each tube will be clearly labeled & placed in a sealed chest with <br /> ace pending transfer to a State Certified laboratory for <br /> analysis <br /> 3 Drill spoils & unused core material will be place in clearly <br /> labeled, sealed metal drums & stored on location pending results <br /> of the laboratory analyzes <br /> 4 <br />