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SECOR <br /> Intcrnatwna!Inco rttted <br /> Lo:CM--- <br /> ed By Dates Dnlled Drilling Contractor Project Name Method/Equipment Bonng Number <br /> 719101 WEST ARCO ARCO#4932 CONTINUOUS CORE <br /> 719101 HAZMAT -- STOCKTON,CA - HSA-- - - -SB4 <br /> See"Legend to Logs"for Baring Surface Groundwater Depth(ft) Total Drive Drop <br /> sampling method, Diam.(in) Elev(ft) 27 g FIRST Depth(ft) wt(lbs) Dist(in) <br /> classifications and laboratory 8 NA 28 5 STABILIZED 805 NA NA <br /> test.ng methods <br /> Well Description <br /> Construction A <br /> 0 <br /> SANDY SILT(ML)-dark yellowish brown(10YR4/4),with clay,fine-grained sand, <br /> low plasticity,very stiff,moist(0,30,55,15) <br /> 55 2 <br /> 60 <br /> Same as above <br /> Same as above,partially cemented <br /> 65 SALTY SAND(SM) olive brown(2 5Y4/3),fine-grained sand,dense,wet <br /> (0,80,20,0) 1 <br /> SAND(SP) dark yellowish brown(10YR3/4),fine-gratned,dense,wet(0,100,0,0) <br /> GROUT 70 1 <br /> 1 <br /> SANDY SELT(ML) light olive brown(2 5Y5/3),with clay,fine-grained sand, <br /> moderate plasticity,very stiff,moist,granular structure(0,30,60,10) <br /> The substrata descriptions above are generalized representations and based upon visual/manual 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 /> Project No 077.43286.330 Date 8/14101 PR Log Of Bonng <br /> 4932SB 1 GPJ Approved by <br /> LAG OF BOREHOLE <br /> Figure (sheet 3 of 4) <br />