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PROJECT: BURNS- POMBO PROPERTIES <br /> Tracy, California Log of Boring No. GMX-12 <br /> BORING LOCATION: Adjacent to EB-3 ELEVATION AND DATUM: <br /> Not surveyed <br /> DRILLING CONTRACTOR: Precision Sampling, Inc. DATE STARTED: DATE FINISHED: <br /> 9/23/99 9/23/99 <br /> DRILLING METHOD: Direct push TOTAL DEPTH: MEASURING POINT: <br /> 19 feet Ground surface <br /> ' DRILLING EQUIPMENT: XD-3 DEPTH TO WATER: FIRST COMPL.12 feet ; NA <br /> SAMPLING METHOD: Enviro-core sampling system (3 ft. x 1 5/8 in.) LOGGED BY: <br /> L.B.Jorstad <br /> HAMMER WEIGHT: NA DROP: NA RESPONSIBLE PROFESSIONAL: REG.NO. <br /> ' D.A. Zemo CEG 1747 <br /> :u ^ SAMPLES <br /> DESCRIPTION <br /> CL. m a o o ¢ a NAME(USCS Symbol):color,moist,%by weight.,plant.,consistency, structure,cementation,react.w/HCI.geo.inter. REMARKS <br /> O v Z O - O v <br /> C0 Surface Elevation: Not surveyed <br /> SILTY SAND with GRAVEL(SM) Upper 7 feet logged <br /> Pale brown (10YR 6/3), moist, 70%fine to coarse sand, 15% using soil cuttings <br /> 1 1 fine to medium gravel, 15% medium plasticity fines, contains extracted from core <br /> asphalt debris [FILL] barrel. <br /> ' 2- <br /> 3- <br /> 4- <br /> 6- <br /> 7- <br /> 3467 2.a <br /> LEAN CLAY with SAND (CL) <br /> Dark grayish brown (10YR 4/2), moist, 85%fines, 15%fine <br /> 8 sand, medium plasticity, firm <br /> Dark gray (5Y 4/1), hydrocarbon odor <br /> 9 GMX- 79 <br /> 12-g.5 <br /> 10 <br /> ' 45 <br /> 11 <br /> 12 Soft <br /> ' 13 3 Light olive brown (2.5Y 5/3) <br /> 14 <br /> See note on next <br /> page <br /> 15 <br /> B-1(lvss) <br /> Project No. 5650 Geomatrix Consultants Figure --- <br /> s:\5650\logs\_gmx_12_01.ai <br />