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PROJECT: TRACY GRAVEL PITS 9 9 <br /> Tracy, California LO Of BOrlll NO. GMX-25 <br /> BORING LOCATION: Northern portion of property 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 46.0 Ground surface <br /> DRILLING EQUIPMENT: SD-1 DEPTH TO WATER(ft.) I FIRST I COMPL. <br /> 35.5 1 ND <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 DESCRIPTION <br /> m 2 m.. � ? E NAME(USCS): color, moist,%by wt.,plast.density,structure, REMARKS <br /> Lu m EU cu E o °o >p Q a cementation, react.w/HCI,geo.inter. <br /> LL Lu <br /> Surface Elevation: Not surveyed <br /> SANDY SILT with GRAVEL(ML): grayish brown (10YR 5/2), <br /> moist, 55%fines,25%fine to coarse sand, 20%fine to coarse OVM =Thermo <br /> 1 gravel, nonplastic,firm Environmental <br /> X _ Instruments 580B PID <br /> 0 calibrated with 100 ppm <br /> 2 — isobutylene standard. <br /> 3 — <br /> 4 — <br /> 0 0 --------------------------------- <br /> LEAN CLAY (CL): yellowish brown (10YR 5/4), moist, 90% _ <br /> N fines, 10%fine sand, low plasticity,firm <br /> 5 X — <br /> c� <br /> 6 ------------------------------------ <br /> LEAN CLAY with SAND (CL): yellowish brown (10YR 5/4), <br /> moist, 80%fines,20%fine to medium sand, low plasticity, hard <br /> 7 0 <br /> 0 <br /> 8- <br /> x X <br /> 9— <br /> ----------------------------------- <br /> - <br /> --------------------------------- <br /> SILT with SAND (ML): grayish brown (10YR 5/2), moist, 85% <br /> o fines, 15%fine sand, nonplastic, hard <br /> 10 — <br /> N <br /> x - <br /> 0 <br /> 11 <br /> 0 <br /> 12— <br /> ----------------------------------- <br /> - GRADED SAND with SILT(SP-SM): grayish brown — <br /> 13 (10YR 5/4), moist, 90%fine to coarse sand, 10% nonplastic <br /> fines <br /> 0 <br /> 14 SILT with SAND (ML) — <br /> 0 <br /> 15 OAKBOREV(REV.3/00) <br /> Geomatrix Consultants Project No.7066.001 Page 1 of 3 <br />