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SECOR <br /> InternahonaI Inco rated <br /> Logged By Date Drilled Drilling Contractor Project Name Method/Equipment Well Number <br /> ARCO#595 HOLLOW STEM AUGER <br /> CM 6127102 CASCADE STOCKTON,CA SPLIT SPOON DMW-3 <br /> See"Legend to Logs"for Boring Surface Groundwater Depth(ft) Total Drive Drop <br /> sampling method, Diam(in) Elev(ft) 79 25 FIRST WATER Depth(ft) wt(lbs) Dist(in) <br /> classifications and laboratory <br /> testinj4 methods 8 32 71 TOC X 63 21 STABILIZED 1025 <br /> b <br /> w ° c <br /> Well <br /> Construction A a Description <br /> N <br /> 32 @74' <br /> 33 <br /> b o <br /> Same as above <br /> g0 35 SAND(SP) with trace silt,dark yellowish brown(10YR-316),sand 0 MW <br /> 37 is fine-grained,very dense,wet(0,95,5,0) @79' <br /> o e <br /> 30 Same as above Q DMW3 <br /> O ° 85 32 @ 84' <br /> 33 <br /> o e <br /> A <br /> 22 Same as above,no silt(0,100,0,0) 0 DMW3 <br /> 90 23 @89' <br /> 24 <br /> 'Flowing sands no recovery,dnlIer reports change in drilling <br /> BENTONM CLAYEY SILT(ML) with sand,brown(IOYR-513),sand is <br /> SEAL fine-grained,hard,moist,moderate plasticity(0,15,60,25) <br /> 22 Q DMW3 <br /> 95 23 @94' <br /> #3 SAND 24 <br /> 23 0 DMW3 <br /> 2"DIA 24 Same as above @96 5' <br /> 0 02" 27 <br /> SLOTTED <br /> SCREEN 30 SILTY SAND(SM) dark yellow brown(10Y-414),sand is 0 MW <br /> The substrata descriptions above are generalized representations and based upon visuallmanual classification of cuttings and/or <br /> samples obtained during drilling Predorrunant 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 dnlling and may not be representative of subsurface conditions at other locations or times <br /> Project No 77BP 50595 00 0330 Date 817102 GMH Log of Well <br /> 595DMW-3 GPJ Approved by <br /> LOG OF BOREHOLE <br /> Figure (sheet 4 of 5) <br />