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PROJECT: POM80 PROPERTY Lo of Boring No. GMK-31 <br /> Tracy, California 9 9 <br /> 30RING LOCATION: West Side Irrigation DIS1rICt i <br /> ELEVATION AND DATUM: <br /> Not surveyed;datum is ground surface <br /> ! <br /> I DRILLING CONTRACTOR DATE STARTED: DATE FINISHED:Precision Sampling Incorporated ' 10112/00 ; 10/12/00 <br /> TOTAL DEPTH(ft.): ;MEASURING POINT <br /> DRILLING METHOD: Direct push 113.0 Ground surface <br /> DRILLING EQUIPMENT: XD-3 {DEPTH TO WATER{ft.} FIRST COMPL.. 10.5 NA <br /> f SAMPLING METHOD: Enviro-core sampling system[3'x 1 5/8"] LOGGED BY: <br /> .T. Loar <br /> f` RESPONSIBLE PROFESSIONAL: I REG.NO. <br /> ! HAMMER WEIGHT: NA DROP: NA G. Foote 5044 <br /> ! SAMPLES i (3 DESCRIPTION <br /> 1-�, i.2 �., E NAME(USCS): color,moist,%by wt.,plant.density,structure, REMARKS <br /> W E d I o$ o cementation,read.w/HCI,geo.inter. <br /> Q ul <br /> Z b LLI I <br /> a .m Surface Elevation: Not surveyed <br /> I SANDY LEAN CLAY(CL); very dark grayish brown (10YR I <br /> 0 3/2), moist, 700/o-fines,30%fine sand,tow plasticity,firm OVM=Thermo I <br /> Environmental t <br /> Instruments Model 5806 i <br /> - PID,calibrated with 100 <br /> 2-1 0 ppm isobutelyne standard. <br /> 3 - <br /> 0 Sample interval 0'to 1.5' <br /> 4 ? —LEAN CLAY with SAND(CL); darts brown (10YR 3/3),moist, — bgs collected with sptit <br /> I 80%fines,20%fine sand,medium plasticity,firm spoon drive sampler. <br /> i o <br /> 5 _ <br /> o - <br /> 6 _ <br /> y I trace red iron oxide veinlets along microfractures and root <br /> { 0 spaces - <br /> - <br /> i SANDY LEAN CLAY(CL): yellowish brown (10YR 5/4),moist, - <br /> � Grab groundwater sample <br /> 0 70%fines,30%fine sand,low plasticity,firm - GMX-31.1000 collected <br /> 81 through 5'of 1"OD Sch. <br /> 40 PVC screen(0.01"slot <br /> - size)placed in borehole <br /> 9-� w 0 - from 8'to 13'bgs. Drive <br /> casing retracted from 13' <br /> 0to 10'bgs to maintain <br /> 10 t T soft - surface seal. <br /> CLAYEY SAND(SC); dark yellowish brown (10YR 4/4),wet, <br /> 11 70%fine sand,30%low plasticity fines,soft - <br /> 12i M <br /> POORLY GRADED SAND with CLAY(SP-SC) - Borehole destroyed using <br /> - Type 1-11 neat cement <br /> 13-i -- _ grout placed from total <br /> Bottom of boring at 13.0 feet depth to ground surface <br /> I ' - with a tremie pipe. <br /> 14-1 I �_ <br /> oaxeoRev laEv.a+ool i , <br /> ���- GeomatriX ConsUttants ?Prajed No.6447 tK13.t) i Page 1 of 1 I <br />