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PROJECT: POMBO Tracy, California PROPa Log of Boring No. GMX-27 <br /> - <br /> BORING LOCATION: West 11th StreetELEVATION AND DATUM <br /> Not 5urveyeB datum is ground surface <br /> DRILLING CONTRACTOR: PreCislon Sampling Incorporated DATE STARTED: DATE FINISHED: <br /> 5/16!00 '. 5/16!00 <br /> ! DRILLING METHOD' DIN;Ct push TOTAL DEPTH(rL): MEASURING POINT: <br /> P 16.0 Ground surface <br /> DRILLING EQUIPMENT: XD-3 DEPTH TO WATER(ft.)' FIRST INA <br /> NA NA <br /> ( <br /> SAMPLING METHOD: Enviro-core LOGGED BY:sampling system (3'x 1 518"] T. Lost <br /> I HAMMER WEIGHT: NA DROP' NA RESPONSIBLE PROFESSIONAL j REG.NO. <br /> I - G. Foote 5044 <br /> x„ IjSAAPLES DESCRIPTION <br /> NAME(USCS): color,moist,%by w., <br /> pleat.dens <br /> ity,structure, <br /> REMARKS <br /> > Q cementation,mad.w/HCI,Seo.inter. <br /> EZE O` . gmw m <br /> z Surface Elevation' Not Surveyed <br /> LEAN CLAY(CLIturf <br /> 0 SANDY LEAN GLAV(CL): dark brown 00YR 313),moist,60% ^- <br /> fines,40%fine to medium sand, lax plasticity, soft OVM=Thermo <br /> 1 - Environmental <br /> 0 _ Instruments Model 5808 <br /> PID,calibrated with 100 <br /> 2 POORLY GRADED SAND with CLAY and GRAVEL(SC): - ppm isobutelyne standard. <br /> 0 dark reddish gray (5YR 412),moist,75%fine to coarse sand, <br /> 15%fine gravel, 10%low plasticity fines <br /> 3 - <br /> Sample interval(Y to 1' <br /> 4 - bgs collected with split <br /> 0 _ spoon drive sampler. <br /> 5 <br /> 0 <br /> 6 LEAN GIJtY(Cy: dark yellowish brown (10YR 4/4),moist, - <br /> go-/e fines, 10%fine sand,medium plasticity, soft <br /> 7- <br /> 0 <br /> Y <br /> 8 <br /> g fine - <br /> 0 <br /> 10 - <br /> 11 - <br /> 12 - <br /> 0 T soft with caliche along fractures <br /> 13 <br /> 14-- - <br /> 0 <br /> 15_ O u00imV(Rei.3001 <br /> ! Geomatrix Consultants Protect No.5115.008.0 Page 1 of 2 <br />