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PROJECT: BURNS- POMBO PROPERTIES <br /> Tracy, California Log of Boring No. GMX-20 <br /> BORING LOCATION: 135 feet southwest of GMX-10 ELEVATION AND DATUM: <br /> Not surveyed <br /> DRILLING CONTRACTOR: Precision Sampling, Inc. DATE STARTED: DATE FINISHED: <br /> ' 9/24/99 9/24/99 <br /> DRILLING METHOD: Direct push TOTAL DEPTH: MEASURING POINT: <br /> 13 feet Ground surface <br /> ' <br /> DRILLING EQUIPMENT: XD-3 DEPTH TO WATER: ; FIRST COMPL.11.5 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.D.A. Zemo CEG 1747 <br /> _ ^ SAMPLES <br /> DESCRIPTION <br /> d LLj ami a TE- <br /> E_ <br /> ¢ a NAME(USCS Symbol):color,moist,%by weight.,plast.,consistency, structure,cementation,react.WHO.geo.inter. REMARKS <br /> v M� o Surface Elevation: Not surveyed <br /> SILTY SAND (SM) <br /> Brown (10YR 4/3), moist, 70%fine sand, 30% low plasticity <br /> 1 fines <br /> ' 2- <br /> 3- <br /> 4 34 <br /> 5 <br /> ' 6- <br /> 7- <br /> LEAN <br /> 7LEAN CLAY (CL) <br /> Brown (10YR 4/3), moist, 90%fines, 10%fine sand, medium <br /> ' 8 plasticity, firm <br /> 9- <br /> 10 <br /> ' 11 CMX- <br /> 20-11.5 <br /> ' <br /> 12 SILTY SAND (SM) <br /> Light olive brown (2.5YR 4/3), wet, 70%fine sand, 30% low <br /> plasticity fines <br /> ' 13 <br /> Bottom of boring at 13 feet. <br /> 14 <br /> L <br /> 15 B-1(12/95) <br /> Proiect No. 5650 Geomatrix Consultants Figure --- <br /> s:\5650\I o gs\_g m x_20.a i <br />