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' PROJECT: BURNS PROPERTY <br /> Tracy, California Log of Boring No. GMX-24 <br /> ELEVATION AND DATUM. <br /> BORING LOCATION: West Side Irrigation District Not surveyed; datum is ground surface <br /> DRILLING CONTRACTOR: Precision Sampling Incorporated DATE STARTED: DATE FINISHED: <br /> 5/16/00 5/16/00 <br /> ' <br /> DRILLING METHOD: Direct push TOTAL DEPTH(ft.): MEASURING POINT: <br /> 16.0 Ground surface <br /> DRILLING EQUIPMENT: XD-3 DEPTH TO WATER(ft.)I FIRST COMPL. <br /> 13.2 NA <br /> ' SAMPLING METHOD: EnVIfO-core Sampling System [3'X 1 5/8"1 ! LOGGED BY:T. Loar <br /> HAMMER WEIGHT: NA DROP: NA RESPONSIBLE PROFESSIONAL: REG. NO. <br /> G. Foote 5044 <br /> ' SAMPLES DESCRIPTION <br /> a.r ? NAME(USCS): color,moist,%by wt.,plast.density,structure, REMARKS <br /> w�, E o $ p ¢ a cementation, react.w/HCI,geo.inter. <br /> Z <br /> UJ <br /> v m v Surface Elevation: Not surveyed <br /> SANDY LEAN CLAY(CL): very dark grayish brown (10YR <br /> 0 3/2), moist, 70%fines, 30%fine sand,firm - <br /> ' 1 - <br /> OVM =Thermo <br /> CLAYEY SAND (SC): dark gray (10YR 4/1), moist, 70%fine - Environmental <br /> Instruments 5806 PID, <br /> 2 0 sand, 30% low plasticity fines _ <br /> calibrated with 100 ppm <br /> isobutelyne standard. <br /> 0 3-LEAN CLAY(CL): dark yellowish brown (10YR 4/4), moist, <br /> ' 90%fines, 10%fine sand, medium plasticity, soft - Sample interval 0' 1' <br /> bgs collected with split <br /> 4 0 - spoon drive sampler. <br /> 5- <br /> 6- <br /> - <br /> 6 - <br /> o T very soft - <br /> 7 <br /> Grab groundwater sample <br /> - GMX-23 collected through <br /> _ 5'of 1"OD Sch.40 PVC <br /> 8 screen (0.01"slot size) <br /> - placed in borehole from <br /> 11'to 16'bgs. <br /> 9 0 SOft Enviro-core drive casing <br /> ' = retracted from bottom of <br /> SANDY LEAN CLAY(CL): dark yellowish brown (10YR 3/4), boring to 13' bgs to <br /> 10- moist, 70%fines,30%fine sand, low plasticity,firm maintain surface seal. <br /> 0 <br /> 11 <br /> N <br /> O <br /> N 0 <br /> 12 0 LEAN CLAY(CL): dark yellowish brown (10YR 3/4), moist, - <br /> 90%fines, 10%fine sand, medium plasticity, soft <br /> ' 13 = <br /> 0 CLAYEY SAND (SC): dark brown (10YR 3/3),wet, 80%fine <br /> 14 <br /> sand,20% low plasticity fines <br /> • - <br /> 0 POORLY GRADED SAND (SP) <br /> 15 oAK9oREv(REV.3100) <br /> Geomatrix Consultants Project No.6115.007.0 Page 1 of 2 <br />