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PROJECT: TRACY GRAVEL PITS 9 9 <br /> Tracy, California LO Of BO�III NO. GMX-28 <br /> BORING LOCATION: Western side of site, near drop-off ELEVATION AND DATUM:Not surveyed; datum is qround surface <br /> DRILLING CONTRACTOR: Precision Sampling Incorporated DATE STARTED: DATE FINISHED: <br /> 8/22/05 18/22/05 <br /> TOTAL DEPTH(ft.): MEASURING POINT: <br /> DRILLING METHOD: Direct push 49.0 1 Ground surface <br /> FIRST COMPL. <br /> DRILLING EQUIPMENT: SD-1 DEPTH TO WATER(ft.) 144.0 i 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 /> a, u, N 2 ? E NAME(USCS): color, moist,%by wt.,plast.density,structure, REMARKS <br /> w=CU E 6CL <br /> o o O> Q an cementation, react.w/HCI,geo.inter. <br /> o cUJ <br /> o in m� <br /> Surface Elevation: Not surveyed <br /> SILT(ML): grayish brown (10YR 5/2), moist, 90%fines, 10% <br /> fine sand, nonplastic, hard - <br /> 1 c - <br /> N <br /> X _ <br /> U' <br /> 2- <br /> 3- <br /> 4- <br /> 00 3 4 v <br /> N <br /> X <br /> 5- <br /> 6- <br /> 7- <br /> T 6 7 - <br /> 8 <br /> --------------------------------- - <br /> POORLY GRADED SAND with SILT(SP-SM): grayish brown <br /> 9 (10YR 5/2), moist, 90%fine to coarse sand, 10% nonplastic <br /> fines _ <br /> 0 <br /> to- <br /> .6 <br /> N <br /> X <br /> 11 <br /> 12 --------------------------------- <br /> LEAN CLAY with SAND (CL): grayish brown (10YR 5/2), <br /> moist, 85%fines, 15%fine sand, low plasticity,firm <br /> 13 - <br /> 14- <br /> 15- <br /> 4 15 OAKBOREV(REV.3/00) <br /> Geomatrix Consultants Project No.7066.001 Page 1 of 3 <br />