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PROJECT: BURNS- POMBO PROPERTIES <br /> Tracy, California Log of Boring No. GMX-10 <br /> ' BORING LOCATION: 200 feet northwest of GMX-9 ELEVATION AND DATUM: <br />' Not surveyed <br /> ' DRILLING CONTRACTOR: Precision Sampling, Inc. DATE STARTED: DATE FINISHED:9/23/99 9/23/99 <br /> Dpush TOTAL DEPTH: MEASURING POINT: <br /> DRILLING METHOD: Direct <br /> p 16 feet Ground surface <br /> DRILLING EQUIPMENT: XD-3 DEPTH TO WATER: ; FIRST12 feet COMPL. <br /> NA <br /> SAMPLING METHOD: Enviro-core sampling system(3 ft. x 1 5/8 in.) LOGGED BY: <br /> L.B.Jorstad <br /> RESPONSIBLE PROFESSIONAL: REG.NO. <br /> HAMMER WEIGHT: NA DROP: NA D.A.Zemo CEG 1747 <br /> _ ^ SAMPLES DESCRIPTION <br /> F- <br /> m n a � o ¢ Ea NAME(USCS Symbol):color,moist,%by weight.,plast.,consistency, structure,cementation,react.WHO.geo.inter. REMARKS <br /> a <br /> cn cn toLL <br /> o Surface Elevation: Not surveyed <br /> SILTY SAND with GRAVEL (SM) Upper 2.5 feet logged <br /> Pale brown (10YR 6/3), moist, 70%fine to coarse sand, 15% using soil cuttings <br /> ' 1 fine gravel, 15% medium plasticity fines, contains asphalt extracted from core <br /> debris [FILL] barrel. <br /> 2- <br /> 3- <br /> 4 34 <br /> 5- <br /> 6- <br /> 7- <br /> 67 150 <br /> CLAYEY SAND (SC) <br /> Dark gray (5Y 4/1), moist, 70%fine to medium sand, 30% <br /> ' g medium plasticity fines, hydrocarbon odor and product <br /> globules <br /> 9 LEAN CLAY (CL) <br /> ' Gass Dark gray (5Y 4/1), moist, 90%fines, 10%fine sand, medium <br /> plasticity, firm, hydrocarbon odor and product globules <br /> 10 100 <br /> S 11 <br /> ' 12 <br /> SANDY LEAN CLAY (CL) <br /> Dark gray (5Y 4/1), moist, 60%fines, 40%fine sand, medium <br /> 13 75 plasticity, soft, hydrocarbon odor and product globules <br /> 14 CLAYEY SAND (SC) <br /> 1.7 Brown (10YR 5/3), wet, 75%fine to medium sand, 25% <br /> medium plasticity fines <br /> 15 B-1(12/95) <br /> Project No. 5650 Geomatrix Consultants Figure --- <br /> s:\5650\logs\_gmx_10_01.ai <br />