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PROJECT. POMBO PROPERTY <br /> Tracy, California Log of Boring No. GMX-25 <br /> j <br /> ELEVATION AND DATUM: <br /> BORING LOCATION: West Side Irrigation District �ot surveyed datum is ground surface <br /> DRILLING CONTRACTOR: Precision Sampling Incorporated ' DATE STARTED: DATE FINISHED: <br /> 15116100 5116/00 <br /> TOTAL DEPTH(ft.): MEASURING POINT. <br /> DRILLING METHOD: Direct push 16.0 Ground surface <br /> FIRST COMPL. <br /> DRILLING EQUIPMENT: XD-3DEPTH TO WATER(ft.) 12.5 NA <br /> SAMPLING METHOD: Envlro-core sampling system (3'X 1 5/8"1 LOGGED BY: <br /> T. Loar <br /> RESPONSIBLE PROFESSIONAL: I, REG.NO. <br /> HAMMER WEIGHT: NA DROP' NA G Foote 5044 <br /> T <br /> ISAMPLES (0 - DESCRIPTIONS- T— - REMARKS <br /> u j - v f _ E NAME(USCS): moor,moist,%by wt ,plass.density,structure, <br /> oE z I E o o'. O n cementation,react.w/HCI,goo.inter. <br /> M Surface Elevation: Not Surveyed <br /> SANDY LEAN CLAY(CL): very dark grayish brown (IGYR <br /> j 0 32),moist,70%.fines,30%fine sand,low plasticity, hard OVM=Thermo <br /> 1 - Environmental <br /> _ InsWments Model 580B <br /> PID, calibrated with 100 <br /> 2 T trace coarse sand - ppm isobutelyne standard. <br /> 0 LEAN CLAY(CL): dark yellowish brown (IGYR 4/4),mast, <br /> 3 90%fines, 10%fine sand,medium plasticity,sof - <br /> Sample interval Did 1' <br /> 4 -0 bgs collected with split <br /> spoon drive sampler. <br /> 5 <br /> 0 <br /> s T vary soft <br /> 0 - <br /> 7 <br /> 8- <br /> 0 <br /> T weft - <br /> 9 <br /> SANDY LEAN CLAY(CL): darkyellowish brown (10YR 3/4), <br /> 0%fine 0 mast, 70%fines.3ne sandand,low plasticity,firm <br /> t0 <br /> 0 - <br /> 71 <br /> '^ T 60%fines,40%fine sand <br /> 72 � 1 <br /> 13 ( 0 CLAYEY SAND(SC): dark brown (10YR 313),well,80%fine <br /> sand,20% low plasticity fines - <br /> SANDY LEAN CLAY(CL): dark yellowish brown (1 OYR 314), <br /> 14 I 0 moist,60%fines,40%fine sand,low plasticity,fim1 <br /> ti <br /> oNuroeev laev.seol i <br /> --_ Consultants Project No.5115.008.0 I Page 1 oft <br />