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PROJECT: BURNS PROPERTY <br /> Tracy, California Log of Boring No. GMX-23 <br /> ' ELEVATION AND DATUM: <br /> BORING LOCATION: West Side Irrigation District Not surveyed; datum is ground surface <br /> • DRILLING CONTRACTOR: Precision Sampling Incorporated I DATE STARTED: DATE FINISHED: <br /> 5/16/00 5/16/00 <br /> TOTAL DEPTH(ft.): MEASURING POINT: <br /> DRILLING METHOD: Direct push 16.0 Ground surface <br /> FIRST COMPL. <br /> DRILLING EQUIPMENT: XD-3 DEPTH TO WATER(ft.) 12.0 NA <br /> ' SAMPLING METHOD: Envlro-core sampling system [3'X 1 5/8°] LOGGED BY: <br /> T. Loar <br /> HAMMER WEIGHT: NA DROP: NA <br /> RESPONSIBLE PROFESSIONAL: REG. NO. <br /> � 1 <br /> SAMPLES 0 DESCRIPTION G. Foote 5044 <br /> da� y.. E NAME(USCS): color, moist,%by wt.,plast.density,structure, REMARKS <br /> W�' E 6 E o °o O Q a cementation,react.w/HCI,geo. inter. <br /> ca M mLL Lu <br /> Lu <br /> Surface Elevation: Not surveyed <br /> LEAN CLAY with SAND (CL): dark brown (7.5YR 3/2), moist, <br /> 0 85%fines, 15%fine sand, low plasticity, hard — <br /> 1 - <br /> OVM =Thermo <br /> 0 — Environmental <br /> 2 i trace medium grained sand — Instruments 580B PID, <br /> ' calibrated with 100 ppm <br /> 0 — isobutelyne standard. <br /> LEAN CLAY(CL): dark yellowish brown (10YR 4/4), moist, <br /> 3 90%fines, 10%fine sand, low to medium plasticity, soft — <br /> ' <br /> 0 — Sample interval 0'to 1' <br /> bgs collected with split <br /> 4 — spoon drive sampler. <br /> 5 very soft <br /> 0 - <br /> 6- <br /> 7- <br /> 7 - <br /> 0 Grab groundwater sample <br /> GMX-23 collected through <br /> 8 _ 5' of 1"OD Sch.40 PVC <br /> screen (0.01"slot size) <br /> placed in borehole from <br /> SANDY LEAN CLAY(CL): dark yellowish brown (10YR 3/4), 11'to 16' s. <br /> b <br /> 9 moist, 70%fines, 30%fine to medium sand, low plasticity,firm — 9 <br /> 0 Enviro-core drive casing <br /> ' — retracted from bottom of <br /> boring to 13' bgs to <br /> 10 maintain surface seal. <br /> N CLAYEY SAND (SC): dark brown (10YR 3/3), moist, 80%fine — <br /> 11 0 sand,20% low plasticity fines <br /> 12- <br /> wet <br /> 13- <br /> 14 <br /> 3 14 SANDY LEAN CLAY(CL) _ <br /> 0 <br /> 15 POORLY GRADED SAND(SP) <br /> OAKSOREV(REV.3100) <br /> ' Geomatrix Consultants Project No.6115.007.0 Page 1 of 2 <br />