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PROJECT: TRACY GRAVEL PITS Lo of Boring No. GMX-35 <br /> Tracy, California 9 9 <br /> BORING LOCATION: Southwest portion of site ELEVATION AND DATUM:Not surveyed; datum is qround surface <br /> DRILLING CONTRACTOR: Precision Sampling Incorporated DATE STARTED: DATE FINISHED: <br /> 8/24/05 8/24/05 <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 I COMPL. <br /> NA NA <br /> SAMPLING METHOD: Enviro-core sampling system[3' x 1.5") LOGGED BY: <br /> M. Gilmore <br /> HAMMER WEIGHT: NA DROP: NA RESPONSIBLE PROFESSIONAL: I REG. NO. <br /> B. Turner PG 7807 <br /> SAMPLES C7 DESCRIPTION <br /> CUm N. ? NAME(USCS): color, moist,%by wt.,plast.density,structure, REMARKS <br /> w w d 3 > a cementation,react.w/HCI,geo. inter. <br /> Ez E oLL O w n <br /> N m Surface Elevation: Not surveyed <br /> SILT(ML): grayish brown (10YR 5/2), moist, 90%fines, 10% <br /> fine sand, nonplastic, hard,trace fine gravel <br /> OVM =Thermo <br /> 1 U� - Environmental <br /> X _ Instruments 580B PID <br /> calibrated with 100 ppm <br /> 2 - isobutylene standard. <br /> 3- <br /> 4— - <br /> 4 0 — <br /> 5- <br /> 6- <br /> 0 6 0 <br /> 7— <br /> X x <br /> c� <br /> 8- <br /> 9- <br /> 10— <br /> I?9 10 — <br /> x — <br /> c9 <br /> 11 — <br /> 12- <br /> 13— <br /> 2 13 — <br /> 0 brown (10YR 4/3) <br /> 0 SILTY GRAVEL with SAND (GM) <br /> 14- <br /> 15 <br /> 4 15 OAKSOREV(REV.3/00) <br /> Geomatrix Consultants Project No.7066.001 Page 1 of <br />