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SECOR <br /> Lternatwnallnco rated <br /> Logged By Date Dnlled Drilling Contractor Project Name Method/Equipment Well Number <br /> GREGG CHEVRON 9-8632 SPLIT SPOON <br /> EG 2114102 DRILLING TRACY, CA HOLLOW STEM AUGER MW-6B <br /> See"Legend to Logs"for Boring Surface Groundwater Depth(ft) Total Drive Drop <br /> sampling method, Diam(in) Elev(ft) SZ 12 FIRST Depth(ft) wt(lbs) Dist(in) <br /> classifications and laboratory <br /> testing methods 8 25 90 TOC 500 140 30 <br /> Well Description <br /> Construction ��, <br /> 3 CLAYEY SILT(ML) brown(10YR5/3),medium plasticity,soft,wet,no MW6B <br /> 3 odor(0,0,55,45) Ca <br /> v o <br /> 1 <br /> a 30 6 CLAYEY SILT(ML) yellowish brown(10YR5/4),medium plasticity, MW6B <br /> t <br /> 12 medium stiff,wet,no odor(0,0,60,40) @30' <br /> +. n 18 <br /> b o <br /> 35 19 SILTY CLAY/CLAYEY SILT(CL/ML) brown(10YR5/3),medium MW6B <br /> 4C 41 50/4" plasticity,medium stiff,wet,no odor(0,0,50,50) @35' <br /> b b <br /> a d <br /> BENTONITf 40 19 CLAYEY SILT(ML) brown(10YR5/3),low plasticity,stiff,wet,no odor MW6B <br /> SEAL 36 (0,0,70,30) @40' <br /> 50 <br /> SAND <br /> 0 020" 45 37 SILTY CLAY(CL) yellowish brown(10YR5/4),medium plasticity,stiff, MW6B <br /> SLOTTED 50/5" wet,no odor(0,0,35,65) @45' <br /> SCREEN <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 dtfferent 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 atother locations or times <br /> Project No 77CH 43578 00 0203 Date REVISED 6113102 pr C / CABLog of Well <br /> 8632MW6B GP7 I4o E3" Figure <br /> LOG OF BOREHOLE T,, Exp <br /> yJ �� (sheet 2 of 3) <br /> c<`OF CA ,�O <br />