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SECOR <br /> Internat[onal Incorporated <br /> Logged By Date Drilled Drilling Contractor Project Name Method/Equipment Well Number <br /> WEST ARCO#4932 SPLIT SPOON <br /> CM 6111102 T HAZMAT STOCKTON,CA HOLLOW STEM AUGER DMW-Z <br /> F <br /> nd to Logs"for Bonng Surface Groundwater Depth(ft) Total Dnve Drop <br /> cl <br /> ass <br /> sl <br /> methodDiam(in) Elev(ft) 26 FIRST Depth(ft) wt(lbsDist(in} <br /> ons and laboratory 8 NA X 28 STABILIZED 825 140thods <br /> o <br /> Well Description <br /> Construction a °' <br /> TRAFFIC 4-inch sidewalk slab <br /> RELATED Gravelly sand fill <br /> ' WELL BOX SlL TY CLAY(CL) very dark grayish brown(10YR3/2),moderate <br /> plasticity,very stiff,moist(0,0,30,70) <br /> GROUT SANDY SILT(ML) grayish brown(10YR5/2),with clay,fine-grained <br /> 5 7 sand,low plasticity,very stiff,moist,(0,15,80,5) 0 <br /> 7 <br /> 9 <br /> r t <br /> p k <br /> r r <br /> e a <br /> 10 8 SAND(SP) dark grayish brown(10YR4/2),with silt,fine-grained,medium 1 <br /> 9 dense,moist(0,90,10,0) <br /> ° 11 <br /> t <br /> b b <br /> A A <br /> + 15 9 SILTY SAND(SM):dark yellowish brown(10YR4/4),with clay, 1 <br /> 9 fine-grained sand,medium dense,moist(0,60,30,10) <br /> ° v 13 <br /> a a <br /> K t <br /> b A <br /> ' 20 13 CLAYEY SILT with SAND(ML) olive brown(2 5Y4/3),fine-grained 4 <br /> 17 sand,moderate plasticity,hard,moist,(0,20,55,25) <br /> 19 <br /> i <br /> s ° <br /> t t <br /> b b <br /> The substrata descriptions above are generalized representations and based upon visuaVnianual 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 tune of drilling and may not be representative of subsurface conditions at other locations or times <br /> Project No 778P 54932 00 0230 Date 8/15102 PR Log of Well <br /> 4932DMW2 GP7 Approved by <br /> LOG OF BOREHOLE <br /> Figure (sheet i of 4) <br />