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PROJECT: RIDGEWAY-POMBO PROPERTIES <br /> Tracy,California Log of Boring No. GMX-15 <br /> BORING LOCATION: Approximately 75 feet northwest of GMX-14 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 Ground surface <br /> DRILLING EQUIPMENT: XD-3 DEPTH TO WATER: I FIRST FCOMPIL. <br /> 12.5 feet 1 NA <br /> SAMPLING METHOD: Enviro-care sampling system(3 ft.x 1 5/8 in.) LOGGED BY: <br /> HAMMER WEIGHT: NA DROP: NA RESPONSIBLE PROFESSIONAL: REG.NO. <br /> D.A.Zemo CEG 1747 <br /> SAMPLES <br /> >_ DESCRIPTION <br /> sa NWE(uscs symWQ.color.mad.x W mem-past..c Wany, dmdum,cemamamm.read.oma,wo mer. REMARKS <br /> �= Ei E o °0 E= <br /> A m u 'o Sudace ElewGon: Not sunmymd <br /> SILTY SAND (SM) Log to 1 foot bgs <br /> Brown (10YR 4/3), moist,60%fine to coarse sand, 30%low based on soil cuttings <br /> 1 plasticity fines, 10%fine subangular gravel extracted from core <br /> barrel. <br /> 2 <br /> 3- <br /> 4- <br /> LEAN <br /> 4 LEAN CLAY with SAND (CL) <br /> Brown (10YR 4/3), moist, 75%fines,25%fine to coarse sand, <br /> 5 medium plasticity,firm <br /> 6- <br /> 7- <br /> 7 Poorly-graded sand (SP-SM), 90%fine to medium sand, <br /> 10%low plasticity fines <br /> 8- <br /> 9- <br /> Soft 9Soft <br /> 10 LEAN CLAY(CL) <br /> Brown (7.5YR 4/3), moist, 90%fines, 10%fine sand, medium <br /> 11 plasticity,soft <br /> 12 GMX <br /> 1512.5 <br /> 13 <br /> Bottom of boring at 13 feet. <br /> 14 <br /> 15 aloan <br /> Project No. 5650 Geomatrlx Consultants Figure--- <br /> sisesmlag:Lam. is.ai <br />