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SECOR <br /> Inrernudonat Incorporated <br /> Logged By Dates Drilled Drilling Contractor Project Name Method/Equipment Boring Number <br /> 7/19101 WEST ARCO#595 SPLIT SPOON <br /> CM 7/19101 HAZMAT STOCKTON,CA HSA PSB-2 <br /> See"Legend to Logs"for Boring Surface Groundwater Depth(ft) Total Drive Drop <br /> samphng method, Dram(m) Elev(ft) $ 64 FIRST Depth(ft) wt(lbs) Dist(in) <br /> cIasst6cauons and laboratory S 1000 NA NA <br /> testin methods <br /> Construlctton a Description P_ <br /> sand,very dense,moist(0,60,35,5) <br /> At 27 to 29 feet,cemented zone <br /> 0 <br /> 30—x <br /> 0 <br /> SANDY SILT(ML) yellowish brown(10YR514),fine-grained sand,low plasticity, <br /> 35 very stiff to hard,dry to moist(0,40,60,0) <br /> GROUT SANDY 5ILT(ML) dark yellowish brown(10YR4/6),fine-grained sand,dense, <br /> moist(0,35,65,0) <br /> 0 <br /> 40—x <br /> -Silty sand with decreasing silt LO,80,20 0 <br /> Stnngerof SAND(SP),with silt <br /> 1 <br /> 45 CLAYEY SILT(ML) brown(10YR5/3),fine-grained sand,moderate plasticity, <br /> hard,moist(0,20,50,30) <br /> 0 <br /> SAND(SP):brown(10YR4/3),with silt,fine-grained,dense,moist(0,90,10,0) <br /> The substrata descriptions above are generalized representations and based upon visuallmanual classification of cuttings and/or <br /> samples obtained during dnlhng Predominant material types shown on the log may contain different matenals and the change from <br /> one predominant mate-nal type to another could be different than indicated Descriptions on this log apply only at the specific location <br /> L!the time of dnlling and may not be representative of subsurface conditions at other locations or tunes <br /> Project No 077 43029330 Date 9120/01 PP Log of Bonng <br /> 595PSB2 GPI Approved by <br /> LOG OF BOREHOLE <br /> Figure (sheet 2 of 5) <br />