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SECOR <br /> International Incorporated <br /> Logged By Date Drilled Drilling Contractor Project Name Method/Equipment Well Number <br /> CASCADE 7-ELEVEN#14117 HOLLOW STEM <br /> BC 8114/03 DRILLING STOCKTON,CA CME-75 MW-8 <br /> See"Legend to Logs"for Boring Surface Groundwater Depth(ft) Total Drive Drop <br /> sampling method, Diam(in) Elev(ft) 10 FIRST Depth(ft) wt(lbs) Dist(in) <br /> classifications and laboratory <br /> testma methods 8 500 140 30 <br /> Well a z <br /> a Description ? w <br /> Construction Q o l~ <br /> L I <br /> 31 SAND(SP) very dark gray(I OYR3/1),poorly graded, 16 <br /> medium grained sand,wet,medium dense,strong MW-8 0840 <br /> a hydrocarbon odor(0,100,0,0) -25' <br /> ° b <br /> a a 30 32 SILTY CLAY(CL)- (Gley 1,4/5G) dark greenish gray, <br /> moist stifflow lastici no h drocarbon odor 0 0 40 60 NA <br /> SAND(SP) dark greenish gray(Gley 1,3/5G),wet, MW-8 0845 <br /> " b medium dense,medium grained sand,poorly graded,slight -30' <br /> hydrocarbon odor(0,100,0,0) <br /> L <br /> ° 35 36 SILTY CLAY(CL)-dark greenish gray(Gley 1,4/1 OGY), <br /> T moist,stiff,high plasticity,slight hydrocarbon odor 202 <br /> _'(10,20,80)...- MW-8 0850 <br /> SAND(SP).dark greenish gray(Gley 1, 3/5G),wet, -35' <br /> BENTONI medium dense,medium grained sand,poorly graded,slight <br /> hydrocarbon odor(0,100,0,0) <br /> #3 SAND <br /> 40 33 As above <br /> 2"DIA 0 02' g <br /> ` SLOTTED MW-8 0855 <br /> SCREEN -40t <br /> 45 28 As above <br /> 12 <br /> MW-8 0900 <br /> SANDY CLAY(CL) dark greenish gray(Gley 1, 4/5G), -45 <br /> moist,stiff,very-fine grained sand, low plasticity <br /> (0,30,10,60) <br /> 4=; <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 locatio <br /> at the time of drilling and may not be representative of subsurface conditions at other locations or times <br /> Project No 77EL 14117 03 0502 Date 9/9/03 Log of Well <br /> MW-8 SBA GPJ Approved by <br /> LOG OF BOREHOLE <br /> Figure (sheet 2 of 3) <br />