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SECOR 1 <br /> International Incorporated <br /> Logged By Dates Drilled Drilling Contractor Project Name Method/Equipment Bon�Numbe,7/11/01 WEST ARCO#4932 CONTINUOUS CORE <br /> CM 7/11/01 HAZMAT STOCKTON,CA HSA <br /> See 'Legend to Logs"for Boring Surface Groundwater Depth(ft) Total Drive Drop <br /> sampling method Diam(in) Elev(ft} 27 FIRST �Pta(ft) wt{lbs) Dist(Irl) <br /> classifications and laboratory 8 NA 78 5 NA NA , <br /> testin methods <br /> Well ' <br /> iu a, <br /> Descnption a <br /> Construction a =' <br /> L] <br /> SILTY SAND (SM) brown(10YR4/3),fine-grained sand,dense,moist to wet 17 <br /> 080200 <br /> SAND (SP).dark yellowish brown(10YR3/4, with trace silt,fine-grained,dense, ' <br /> wet,micaceous(0,95,5,0) <br /> lilt SANDY SILT (ML) dark yellowish brown(10YR4/6),fine-grained sand,low 1 <br /> lastici stiff,moist(0,35,65,0) , <br /> 80- <br /> 85- <br /> 90- <br /> 95— <br /> The <br /> 085 9095The substrata descriptions above are generalized representations and based upon visual/manual classification of cuttings and/or ' <br /> samples obtained during drilling Predornmant 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 077 43286 330 Date 8/14/01 PR Log of Bonng <br /> 4932SB2 GPJ Approved by , <br /> LOG OF BOREHOLE <br /> Figure (sheet 4 of 4) <br />