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SECOR <br /> 1&ernadonal IncorQornted <br /> Logged By Dates Drilled Drilling Contractor Project Name Method/Equipment Well Number <br /> 7/13101 WEST ARCO#4932 SPLIT SPOON <br /> CM 7/13101 HAZMAT STOCKTON, CA HSA MW. <br /> See"Legend to Logs"for Boring Surface Groundwater Depth(ft) Total Drive Drop <br /> sampling method, Diam(in) Elev(ft) 25 5 FIRST Depth(ft) wt(Ibs} Dist(in) <br /> testing <br /> classifications and laboratory 8 NA 27 43 STABILIZED 405 140 30 <br /> testing teeth <br /> Well 'n <br /> Descnption <br /> Construction <br /> 17 SILTY SAND(SM): dark yellowish brown(10YR4/3),fine-grained sand, <br /> 22 dense,weakly cemented in zones(0,60,40,0) <br /> 9 Same as above,wet,faint chemical odor 145 <br /> 30 14 <br /> 16 Same as above <br /> SAND(SW) olive brown(2 5Y4/3),fine-to coarse-grained,dense,wet, <br /> well-graded(0,100,0,0) <br /> 14 274 <br /> 35 17 <br /> 20 <br /> SANDY SILT(ML) olive brown(2 5Y4/3),with clay,fine-grained sand, <br /> 9 moderate plasticity,very stiff,moist,abundant caliche(0,30,50,20) 202 <br /> THREADED 40 13 <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 tunes <br /> Project No 077.43286.330 Date 8114/01 PR Log of Well <br /> 4932MW6 GPJ Approved by <br /> LOG OF BOREHOLE <br /> Figure (sheet 2 of 2) <br />