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SECOR <br /> Iruematrwiallncorpomred <br /> • Logged By Date Dnlled Drilling Coptractor Project Name Method/Equipment Well Number <br /> ARCO#595 HSA <br /> CM 6126/02 CASCADE STOCKTON,CA SPLIT SPOON MW-10 <br /> See"Legend to Logs"for Borg Surface Groundwater Depth(ft.) Total Drive Drop <br /> sampling method, Dram(m) Elev(ft.) z 60 FIRST Depth(ft) wt abs) DDITp,) <br /> classifications and laboratory 8 31.27 TOC X 6125 STABILIZED 70.5 <br /> 7Well <br /> Construction7lij!7 s Description <br /> TRAFFIC - AS halt <br /> RATED roadbase <br /> WELL BOX SAND(SP) <br /> GROUT SILTY CLAY(CL) with sand,black(10YR2/1),hard,moist, <br /> moderate plasticity(0,15,25,60) <br /> ro ro 25 0 1 <br /> 5 27 Same as above,color changes to very dark grayish brown(10YR3/2) <br /> + a1 23 <br /> 04' <br /> Y <br /> A A <br /> 23 SILTY SAND(SM) dark yellowish brown(10YR4/4),sand is 0 10 <br /> 10 26 fine-grained,very dense,motst(0,75,25,0) 09, <br /> 27 <br /> P~ Yt~ <br /> • f f <br /> 6 O <br /> P` <br /> 24 CLAYEY SILT(ML) with sand,brown(10YR4/3),sand is 0 MWl <br /> 15 27 fine-grained,hard,moist,moderate plasticity,subangular blocky soil @ 14' <br /> 28 structure(0,20,55,25) <br /> V b <br /> � r <br /> A A 33 SILTY SAND(S":same as above 0 MWIC <br /> 20 35 <br /> 37 <br /> r r <br /> ° 32 SAND(SP):olive brown(2 5Y4r1),sand is fine-grained,very dense, 0 MWI <br /> The substrata descriptions above are generalized representations and based upon visual/waiaual classification of cuttings and/or <br /> samples obtained during damg Predominant material types shown on the log may contain different materials and the change from <br /> one predotmnant 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 77BP.50595.00.0330 Date 8/8/02 GMH Log of Well <br /> lApproved by <br /> LOG O B <br /> LOG OF BOREHOLE <br /> Figure (sheet I of 3) <br />