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PROJECT: TRACY GRAVEL PITS 9 9 <br /> Tracy, California LO of Boring NO. GMX-31 <br /> BORING LOCATION: Central NW side Of site ELEVATION AND DATUM:Not surveyed; datum is qround surface <br /> DRILLING CONTRACTOR: Precision Sampling Incorporated DATE STARTED: DATE FINISHED: <br /> 8/23/05 18/23/05 <br /> TOTAL DEPTH(ft.): MEASURING POINT: <br /> DRILLING METHOD: Direct push 16.0 Ground surface <br /> DRILLING EQUIPMENT: SD-1 DEPTH TO WATER(ft.) I FIRST COMPL.NA INA <br /> SAMPLING METHOD: Enviro-core sampling system[3'x 1.5"] LOGGED BY:M. Gilmore <br /> HAMMER WEIGHT: NA DROP: NA RESPONSIBLE PROFESSIONAL: I REG. NO. <br /> B. Turner PG 7807 <br /> SAMPLES 0 DESCRIPTION <br /> dT y.r 2 ? E NAME(USCS): color, moist,%by wt.,plast.density,structure, REMARKS <br /> Lu 12 �d E o °0 0 Q a cementation ,react.w/HCI,geo. inter. <br /> �— M to inLL Lu <br /> Surface Elevation: Not surveyed <br /> SILT(ML): grayish brown (10YR 5/2), moist, 95%fines, 5% <br /> fine sand, nonplastic, very hard, trace fine gravel - <br /> OVM =Thermo <br /> 1 - Environmental <br /> x _ Instruments 580B PID <br /> 0 calibrated with 100 ppm <br /> 2 - isobutylene standard. <br /> 3 - <br /> 4 " — <br /> X _ <br /> 5 <br /> 6 — <br /> 7 — <br /> 0 <br /> 0 <br /> 8 <br /> 9 ------------------------------------ <br /> LEAN CLAY with SAND(CL): grayish brown (10YR 5/2), <br /> moist, 85%fines, 15%fine sand, low plasticity, hard - <br /> 0 <br /> 10 — <br /> M <br /> X - <br /> C7 <br /> 0 <br /> 11 0 <br /> 12- <br /> 13— <br /> 2 13 T <br /> + 75%fines, 25%fine to coarse sand,trace fine gravel <br /> 14- <br /> 15 <br /> 4 15 <br /> OAKBOREV(REV.1100) <br /> Geomatrix Consultants Project No.7066.001 —Pagel of 2 <br />