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1 SECOR <br /> Internatwna!Incorporated <br /> Logged By Dates Drilled Drilling Contractor Project Name Method/Equipment Boring Number <br /> 11 7111101 WEST� _ ARCO#4932 CONTINUOUS CORE� CM 7/11101 -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(lbs) Dist(in) <br /> classifications and laboratory 8 NA 78 5 NA NA <br /> testingmethods <br /> b <br /> o <br /> ' Well ix Descnption <br /> Construction <br /> A � <br /> 1 � <br /> 284 <br /> 1 98 <br /> SANDY SILT(ML) dark yellowish brown(10YR3/4),fine-grained sand,low <br /> ' plasticity,very stiff,moist to wet,subangular blocky soil structure(0,35,65,0) <br /> 55 98 <br /> 18 <br /> ' CLAYEY SILT(ML) brown(10YR4/3),moderate plasticity,hard,dry(0,0,70,30) <br /> 1 6tl <br /> SANDY SILT (ML) dark yellowish brown(10YR3/4),fine-grained sand,very stiff, 42 <br /> moist to wet,cemented in zones,subangular blocky soil structure(0,40,60,0) <br /> ' SILTY SAND SM brown 10YR4/3 fine-gained sand dense wet 0 20 80 0 <br /> SANDY SILT (ML) brown(10YR4/3),fine-grained sand,dense,moist to wet to <br /> 13 <br /> 65 zartiall cemented in zones suban alar block soil structure 0 30 70 0 <br /> ones , <br /> SAND SP dark grayish brown 10YR4/2 fine-grained,dense wet 0 100 0 0 26 <br /> i 5 <br /> SANDY SILT(ML),brown(lOYR 4/3),fine grained sand,dense,moist to wet, <br /> - partially cemented,(0,30,70,0) <br /> GROUT 70 12 <br /> i <br /> ' Same as above <br /> The substrata descriptions above are generalized representations and based upon vtsuallmanual 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 /> ' <br /> Project No 077 43286 330 Date 8/14/01 PR Log of Boring <br /> ' 4932SB2 GPJ Approved by <br /> IAC,OF BOREHOLE <br /> Figure (sheet 3 of 4) <br /> i <br />