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SECOR <br /> Internadlonal Dwoimryted <br /> Logged By Dates Drilled Drilling Contractor Project Name Method/Equipment Well Number <br /> 7/17/01 WEST ARCO#4932 SPLIT SPOON <br /> CM 7/17/01 HAZMAT STOCKTON,CA HSA MW-9 <br /> See"Legend to Logs"forBoring Surface Groundwater Depth(ft) Total Drive Drop <br /> sampling method, Dram(m) Elev(ft) 25 5 FIRSTS(0) wt(lbs) Dist(in) <br /> classifications and laboratory <br /> testin Wthods. <br /> 8 NA -T 26 4 STABILIZED 405 140 30 <br /> Well -a a o Description <br /> Construction <br /> 20 <br /> 27 GRAVELLY SAND(SW) very dark grayish brown(2 5Y3/2),medium-to <br /> coarse-grained,dense to very dense,wet(20,80,0,0) <br /> 13 1 <br /> 30 22 <br /> 28 <br /> 13 <br /> 35 19 CLAYEY SILT(ML) gray(5Y5/1),fine-grained sand,moderate plasticity, 2 <br /> 22 very stiff,moist,subangular blocky soil structure(0,15,60,25) <br /> 9 0 <br /> THREADED 44 12 <br /> 15 <br /> END CAP <br /> 45 <br /> The substrata descriptions above are generalized representations and based upon visual/manual classification of cuttings and/or <br /> samples obtained during drilling Predominant material types shown on the log may contain different materials and the change from <br /> one predominant material type to another could be different than indicated Descriptions on this log apply only at the specific location <br /> at the time of drilling and may not be representative of subsurface conditions at other locations or times <br /> Project No 077.43286.330 Date 8/14/01 PR Log of Well <br /> 4932MW9 GPI Approved by <br /> LOG OF BOREHOLE <br /> Figure (sheet 2 of 2) <br />