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PROJECT: POMBO PROPERTY E LO of Boring No. GMX-26 <br /> Tracy, California g g <br /> BORING LOCATION: West Side Irrigation District ELEVATION AND DATUM: <br /> Not surveyed: datum is ground surface <br /> DATE STARTED: DATE FINISHED: <br /> DRILLING CONTRACTOR: Precision Sampling Incorporated <br /> 15/16100 5/16/00 <br /> ;TOTAL DEPTH(it): MEASURING POINT: <br /> DRILLING METHOD: Direct push 116.0 Ground surface <br /> DRILLING EQUIPMENT: XD-3 DEPTH TO WATER(ft.) FIRST COMPL. <br /> 11.5 NA <br /> a SAMPLING METHOD: Enviro-care sampling system(3'x 1 5/8") LOGGED BY: <br /> T. Loar <br /> HAMMER WEIGHT: NADROP: NA RESPONSIBLE PROFESSIONAL: REG.NO. <br /> G. Foote 5044 <br /> I SAMPLES DESCRIPTION i <br /> F d 1 c 2 i E NAME(USCS): color.moist,%by wt-Plast.density,structure. f REMARKS <br /> i W Eo E o Si Q a j cementation,react.w/HCI,geo.inter. f <br /> z <br /> Im"I Surface Elevation: Not Surveyed <br /> i1 SANDY LEAN CLAY(CL): very dark grayish brown (10YR <br /> ° 3/2),moist,70%fines.3091.fine sand,low plasticity,hard i OVM=Thermo <br /> 1 I Environmental <br /> E _ Instruments Madel 580E <br /> LEAN CLAY(CL): dark yellowish brown (10YR 414),moist, PID,calibrated with 100 <br /> 2 i ° 90%fines. 10%fine sand,medium plasticity,firm ppm isobutelyne standard. <br /> 3 <br /> 0 Sample interval(7 to 1' <br /> 4 <br /> — bgs collected with split <br /> spoon drive sampler. <br /> 5 — <br /> dark grayish brown with dark red(2.5YR 3/6),(oxidation — <br /> features?)veinlets throughout sample <br /> 6 9.7 SANDY LEAN CLAY(CL): dark greenish gray (50Y 411), <br /> moist, 70%fines,30%fine sand.low plasticity,firm,slight = <br /> 7 hydrocarbon odor <br /> o <br /> N $1 — <br /> 8 x _ <br /> g T dark yellowish brown(10YR 414),no hydrocarbon odor <br /> i <br /> 0 <br /> 10 CLAYEY SAND(SC): dark brown (10YR 3/3),moist,70%fine <br /> sand,30%low plasticity fines <br /> 11 <br /> Twet <br /> 12� LEAN CLAY with SANDCL <br /> ( ) yellowish brawn (10YR 5/6), <br /> moist,80%fines,20%fine sand,medium plasticity, soft <br /> 13 �C <br /> 14 - <br /> 1 j r firm <br /> i <br /> 15 nAKeartEv(REV.3=) I <br /> j / Geornatrix Consultants i Project No.6115.°08.6 Page 1 of 2 i <br />