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SECOR <br /> Ittte►'nahono!Inco rated <br /> Log:Blylates Drilled Dnllmg Contractor Project Name Method/Equipment Boring Number <br /> 7111101 WEST T ARCO#4932 CONTINUOUS CORE <br /> C 7111101 HAZMAT - - -STOCKTON,CA ___HSA — - SB-2 <br /> See'Legend to Logs"for Boring Surface Groundwater Depth(ft) Total Drive Drop <br /> sampling method Dram(m) Elev(ft) 27 FIRST Depth(ft-) wt.(Ibs) Dist(in) <br /> classcations and laboratory <br /> testin meth s $ NA 785 NA NA <br /> _ > <br /> Well Description <br /> Construction A <br /> GROUTAs halt <br /> Gravelly silty sand(fill),old chunks of asphalt and glass <br /> SILTY CLAY(CL): very dark brown(10YR2/2),moderate plasticity,very stiff, <br /> INCNI <br /> moist(0,0,40,60) <br /> g SANDY SILT(ML) brown(10YR4/3),fine-grained sand,very stiff,moist, <br /> subangular blocky soil structure(0,30,70,0) 0 <br /> 10 0 <br /> Same as above <br /> SILTY SAND(SM):dark yellowish brown(10YR4/4),fine-grained sand,medium <br /> dense,dry to moist(0,60,40,0) <br /> 15 0 <br /> SANDY SILT(ML).brown(10YR4/3),fine-grained sand,low plasticity,very stiff, <br /> dry to moist(0,30,70,0) <br /> SILTY SAND(SM).brown(10YR4/3),fine-grained sand,medium dense,dry to <br /> 20moist(0,7525,0) 16 <br /> SAND(SP) brown(10YR4/3),with silt,fine-grained,medium dense,moist <br /> (0,90,10,0) <br /> CLAYEY SILT(NII.,) grayish brown(2 5Y4/2),fine-grained sand,moderate <br /> I qq1ty,yM stiff,moist 0 20 5S 25 <br /> The substrata descriptions above are generalized representations and based upon visual/manual classification of cuttings and/or <br /> samples obtained during drillmg 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 8/14/01 PR Log of Bonng <br /> 4932SB2.GPJ Approved by <br /> LOG OF BOREHOLE <br /> Figure (sheet 1 of 4) <br />