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SECOR <br /> InletnationalIncorporated <br /> Logged By Date Drilled Drilling Contractor Project Name Method/Equipment Well Number <br /> . GREGG ARCO#4493 HOLLOW STEM AUGER <br /> BH 516102 DRILLING STOCKTON,CA SPLITSPOON MW-8MM <br /> See'Legend to Logs"for Boring Surface Groundwater Depth(ft) Total Drive Drop <br /> sampling method, Diam(in) Elev(ft) 17 FIRST Depth(ft) wt(lbs) TDist(in) <br /> classifications and laboratory 10 56 0 140 30 <br /> testin methods <br /> Well a <br /> rxDesch hon <br /> p <br /> Construction <br /> TRAFFIC SILTY SAND(SM) brown(7 5YR4/2),fine-grained sand,loose,moist,no <br /> RATED hydrocarbon odor(0,75,25,0) <br /> WELL BOX <br /> a e <br /> 5 SANDY CLAY(CL) dark olive brown(2 5Y3/3),fine-grained sand,firm,moist, <br /> ° 4 <br /> low plasticity,no hydrocarbon odor(0,25,15,60) 0 <br /> SILTY CLAY(CL).olive brown(2 5Y4/3),firm,moist,low plasticity,no <br /> hydrocarbon odor(0,0,20,80) <br /> 10 0 <br /> n ° SILTY SAND(SM) dark brown(2 5Y411),fine-to medium-grained sand,dense, <br /> moist,poorly graded(0,75,25,0) <br /> a a GROUT SILTY CLAY(CL) dark gray(2 5Y4/1),firm,moist,low plasticity,no hydrocarbon <br /> odor(0,0,40,60) <br /> SILTY SAND(SM) dark gray(2 5Y4/1),fine-grained sand,very moist,moderate <br /> hydrocarbon odor(0,75,25,0) <br /> 15 <br /> 0 <br /> 0 0 <br /> Stabilized water at 16 00 feet bgs to well MW-8M <br /> Stabilized water at 17 34 feet bgs in well MW-81) <br /> Same as above saturated slight hydrocarbon odor 0 75 25 0 <br /> 20 Flowing sands,sampling discontinued 0 <br /> ° See boring log B-1 for sot]stratigraphy <br /> a <br /> b 6 <br /> The substrata descriptions above are generalized representations and based upon visual/manual classification of cuttings and/or <br /> samples obtained during dnlling 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 77BP 43036 00 0320 Date 5131102 PR Log of Well <br /> 4493MW8 GPJ Approved by <br /> LOG OF BOREHOLE <br /> Figure (sheet 1 of 3) <br />