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PROJECT. POMBO PROPERTY ILO of Boring No. GMX-32 <br /> Tracy California - g g <br /> BORING LOCATION: West Side Irrigation District ELEVATION AND DATUM: <br /> g Not surveyed datum is ground surface <br /> DATE STARTED: GATE FINISHED: <br /> DRILLING CONTRACTOR: Precision Sampling Incorporated 10/12/00 - 10/12/00 <br /> DRILLING METHOD: Directpush TOTAL DEPTH(1t): MEASURING POINT: <br /> 13.0 Ground surface <br /> DRILLING EQUIPMENT: XD-3 DEPTH TO WATER(k-) FIRST COMPL. <br /> 11.5 NA <br /> LOGGED <br /> SAMPLING METHOD: Enviro-core sampling system [3'x 1 518"1 T. Loar BY: <br /> HAMMER WEIGHT: NA DROP: NA RESPONSIBLE PROFESSIONAL I REG.NO. <br /> G. Foote _ 5044 <br /> L - <br /> SAMPLES I O- I DESCRIPTION <br /> a j u y ? ^ NAME(USCS): color,moist.%by M., plast.density,strucNre, REMARKS <br /> w a oLLl > o n cementation, react.WHO, geo. inter. <br /> E E o o - r I � <br /> N in IM F. Surface Elevation: Not surveyed <br /> SANDY LEAN CLAY(CL): very dark grayish brown (10YRi <br /> 3/2),moist,70%fines. 30%fine sand low plasticity,firm to <br /> 0 GVM=Thermo <br /> 1 hard -� Environmental <br /> Instruments Model 580B <br /> 0 PID,calibrated with 100 <br /> 2 LEAN CLAY(CL): dark yellowish brown (10YR 414),moist, ppm isobutelyne standard. <br /> 0 80%fines,20%fine send, medium plasticity,firm <br /> 3 �- <br /> Sample interval 0 to LS <br /> 4 - bgs collected with split <br /> 8 _ spoon drive sampler. <br /> s T soft <br /> o — <br /> 6 T dark greenish gray(5GY 311),85% fines, 15%fine sand, <br /> 110 hydrocarbon odor and staining <br /> 7 154 SANDY LEAN CLAY(CL): dark greenish gray (5GY 3/1), <br /> moist.70%fines, 30%fine sand,medium plasticity,firm, <br /> 8 hydrocarbon odor and staining,product globules noted in small _ <br /> 218 pockets <br /> 9 - <br /> 102 <br /> 10 -�57 <br /> 11 2.5 - <br /> o — <br /> T dark yellowish brown(10VR 4/4),wet, no hydrocarbon odor <br /> 12 CLAYEY SAND(SC): dark yellowish brown (1 OYR 4/4),wet, - <br /> 70%.fine sand,30%low plasticity fines Borehole destroyed using <br /> - Type 1-11 neat cement <br /> 13 _ grout placed from total <br /> Bottom of boring at 13.0 feet depth to ground surface <br /> I-I with a tremie pipe. <br /> 14 <br /> 15 <br /> CARaOREV IREv.wq <br /> Geomatrix Consultants. Project No.6447.003.0 Page 1 of 1 <br />