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SECOR <br /> Internattonal incorpora <br /> Logged By Date Drilled Dnlling Contractor Project Name Method/Equipment Well Number <br /> WEST ARCO#4932 SPLIT SPOON <br /> CM 6110102 HAZMAT STOCKTON,CA HOLLOW STEM AUGER MW-1 <br /> See"Legend to Logs"for Boring Surface Groundwater Depth(ft) Total Drive Drop <br /> sampling method, Dtam(in) Elev(ft) Depth(ft) wt(lbs) Dist(in) <br /> classifications and laboratory <br /> testing methods 8 NA X 28 STABILIZED 405 140 30 <br /> Well 3 Description <br /> Construction A <br /> 8 SAND(SP) dark yellowish brown(10YR3/4),with silt,fine-grained,dense, 0 <br /> 20 moist to wet,minor cementation in zones (0,90,10,0) <br /> 27 <br /> 30 11 SANDY SILT(ML) dark yellowish brown(10YR414),with clay, 0 <br /> 17 fine-grained sand,low plasticity,hard,moist,(0,30,60,10) <br /> 21 <br /> 35 9 CLAYEY SILT(ML):olive brown(2 5Y4/3),moderate plasticity,very stiff, 0 <br /> I 1 moist,caliche in zones(0,0,70,30) <br /> 13 <br /> THREADED 40 9 Color change to dark yellowish brown(10YR4/4),no caliche 0 <br /> END CAP 15 <br /> SAND 21 <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 dulling and may not be representative of subsurface conditions at other locations or times <br /> Project No 77BP 54932 00 0230 Date 8114/02 PR Log of Well <br /> 4932MW l l GPJ Approved by <br /> LOG OF BOREHOLE <br /> Figure (sheet 2 of 2) <br />