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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 /> I ' DRILLING CONTRACTOR: Precision Sampling, Inc. DATE STARTED: DATE FINISHED:9/24/99 9/24/99 <br /> DRILLING METHOD: Direct push TOTAL DEPTH: MEASURING POINT: <br /> 13 feet Ground surface <br /> DRILLING EQUIPMENT: XD-3 DEPTH TO' WATER: ; FIRST S feet i COMPL.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 <br /> DESCRIPTION <br /> d m a a o Cr a NAME(USCS Symbol):color,moist,%by weight.,plast.,consistency, structure,cementation,react.WHO.goo.inter. REMARKS <br /> LU <br /> m Z m °L° > <br /> cn U)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 /> 67LEAN CLAY (CL) <br /> Brown (10YR 4/3), moist, 900/10 fines, 10%fine sand, medium <br /> ' 8 plasticity, firm <br /> 9- <br /> 10 <br /> ' 11 GMX- <br /> 20-t 1.s <br /> SILTY SAND (SM) <br /> 12 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 /> 15L B-1(12/95) <br /> ' Project No. 5650 Geomatrix Consultants Figure --- <br /> s:\5650\logs\_gmx_20.a i <br />