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SECOR <br /> InfErnattonal Incorporated <br /> :Logged:By Date Drilled Drilling Contractor Project Name Method/Equipment Well Number <br /> CASCADE TOSCO 8671 HOLLOW STEM AUGER <br /> D 12/13/01 DRILLING STOCKTON, CA SPLITSPOON MW-7 <br /> See"Legend to Logs'for Boring Surface Groundwater Depth(ft) Total Drive Drop <br /> sampling method, Diam(in) Elev(ft) 35 FIRST Depth(ft) wt(lbs) Dist(in) <br /> classifications and laboratory <br /> testi methods 8 14 34 TOC t 33 58 STABILIZED 450 140 30 <br /> Well 8 j <br /> Construction a .a o Description A <br /> 186 dry,mottled with shite streaks,no odor(0,15,50,35) @25' <br /> 15 SILTY SAND (SM) brown(10YR4/3),fine-grained sand,dense, 0 MW7 <br /> 30 16 moist,minor oxidation around sand grains,no odor(0,60,30,10) @30' <br /> 18 <br /> 15 SANDY SILT(ML) brown(10YR4/3),fine-grained sand,low 0 MW7 <br /> 2„ 35 17 plasticity,very stiff to hard, very moist to wet,minor clay,no odor @35' <br /> iSLOTTED 19 {0,25,60,15} <br /> SCREEN <br /> 15 SILTY SAND(SM) dark grayish brown(2 5Y4/2),fine-grained 0 MW7 <br /> 40 15 sand,medium to dense,poorly graded,mottled with white streaks, no @40' <br /> 17 odor(0,55,35,10) <br /> 14 SAND(SP) olive brown(2 5Y4/4),fine-to medium-grained,dense, 0 MW7 <br /> "THREADED 45 17 wet moderately graded,no odor, (0,95,5,0) @45' <br /> END CAP 18 <br /> The substrata descriptions above are generalized representations and based upon visual/manual classification of cuttings and/or <br /> samples obtained during drilling Predormnant 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 43791 222 Date 12/31/01 PR Log of Well <br /> 8671 MW7 GPJ Approved by <br /> LOG OF BOREHOLE <br /> Figure (sheet 2 of 2) <br />