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SECOR <br /> InterwtwnalInco rated <br /> =LoggedlBlyDate Drilled Drilling Contractor Project Name Method/Equipment Well Number <br /> WEST ARCO#4932 SPLIT SPOON-6110102-- - —HAZMAT STOCKTON, CA- — HOLLOW STEM AUGER MW-10- <br /> See"Legend to Logs"for Boring Surface Groundwater Depth(ft) Total Drive Drop <br /> sampling method, Di am(in) Elev(ft) Q 26 FIRST Depth(ft) wt(lbs) Dist(in) <br /> classifications and laboratory 8 NA X 28 STABILIZED 410 140 30 <br /> testinz methods <br /> Well <br /> o Descnptton <br /> Construction <br /> V <br /> TRAFFIC As halt <br /> RELATED ° Bas erock gravel <br /> ' WELL BOX SILTY CLAY(CL) very dark grayish brown(10YR3/2),moderate <br /> plasticity,stiff,moist(0,0,30,70) <br /> SANDY SILT(ML) dark yellowish brown(10YR4/4),with clay, <br /> GROUT fine-grained sand,low plasticity,very stiff,moist,weak subangular blocky soil <br /> 5 7 structure(0,35,55,10) 0 <br /> b 10 <br /> t <br /> 10 11 Same as above,hard 0 <br /> 16 <br /> 21 <br /> r <br /> e ° <br /> A A <br /> 15 12 0 <br /> 19 <br /> BENTONM 23 <br /> SEAL <br /> SAND <br /> 20 7 SILTY SAND(SM) dark yellowish brown(10YR4/4),fine-grained sand, 0 <br /> 2" 8 medium dense,moist(0,75,25,0) <br /> SLOTIED 11 <br /> SCREEN <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 77BP 54932 00 0230 Date 8/14/02 PR Log of Well <br /> 4932MW 10 GPI Approved by <br /> LOG OF BOREHOLE <br /> Figure (sheet I of 2) <br />