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� <br /> ► ffm Project Nos 06-6102-00-4926-301 Page 1 of 2 <br /> ry ,4n&Wqyveowned Cawwy <br /> PROJECT: TRACY BYRON ROAD Logof BoringNo. SB-1 0 <br /> Tracy, California <br /> BORING LOCATION: N 2096381.7540,E 6279965.0010 ELEVATION AND DATUM: US State Plane NAD 83 Zone 3 <br /> DRILLING CONTRACTOR: Gregg Drilling and Testing,Inc. DATE STARTED:/TIME: DATE COMPLETED:/TIME: <br /> 10/23/03 11:50 10/23/03 12:45 <br /> TOTAL DEPTH(ft.): MEASURING POINT: <br /> DRILLER: Bob Deason 24' Ground Surface <br /> DRILLING METHOD: Direct Push Continuous DEPTH TO WATER(ft.): 14.5'TIME: <br /> DRILLING EQIUPMENT: Marl M5 T Rhino Rig GEOLOGIST: Will Slowik <br /> SAMPLING METHOD: Macrocore,Stainless Bailer REVIEWED BY: <br /> SAMPLES <br /> 2E <br /> o �^ _ � DESCRIPTION <br /> Q Y)o a a a Q NAME(USCS):color,moist, /°by wt.,plast.and density. <br /> Oa o o E-6 w,� <br /> °D CU O U Surface Elevation: NA <br /> Road base to 1.5'bgs. <br /> 1 <br /> o Boring hand cleared to 5'bgs. <br /> 2 CL Native Material observed to be clay during borehole clearance. <br /> 3-- <br /> 4-- <br /> SB-1 0-5 <br /> 4SB-10-5 ;. <br /> 11:55 5 <br /> CL Lean Clay with Sand(CL);brown(10yr4/3);moist;medium plasticity;75-80% <br /> 6 ,� clay,20-25%sand. <br /> 0.0 <br /> 0.0 7 <br /> SB-10-8 <br /> 11:57 8" <br /> Petroleum odor and stain noted @ 8'bgs. <br /> 0.0 <br /> 10 ML Sandy Silt(ML);yellowish brown(10yr5/4);moist;65-70%silt,30-35%very <br /> fine sand;no odor. <br /> 0.5 SB-10-11 <br /> 11:59 11 <br /> No recovery from 11-12'bgs. <br /> 12 <br /> Sc Clayey Sand(SC);yellowish brown(10yr5/4);saturated;low plasticity;55-60% <br /> 13 fine to very fine sand,40-45%clay. <br /> 0.7 <br /> SB-10-14 <br /> 12:05 14 <br /> 0.2 <br /> 15 <br /> No recovery from 15-16'bgs. <br /> 16 <br /> ML Sandy Silt(ML);yellowish brown(10yr5/4)with gray(10yr5/1)mottling; <br /> saturated;low plasticity;65-70%silt,30-35%very fine sand;slight odor. <br /> 17 <br /> 18 <br /> 0.3 SM Silty Sand(SM);brown(10yr4/3)to dark yellowish brown(10yr4/4);saturated; <br /> 70-75%fine sand,30-35%silt. <br /> 19 <br /> 20 <br /> NOTES: Groundwater sample GW-10 collected @ 12:30 <br />