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M Project No: 06-6102-00-4700-201 Page 1 of 1 <br /> //IbS11YNOMl COifWIH00 <br /> PROJECT: POMBO PROPERTY <br /> Tracy,California Log of Boring No. SB-4 <br /> BORING LOCATION: N 2093557.1510,E 6287567.5260 ELEVATION AND DATUM: <br /> US State Plane NAD 83 Zone 3 <br /> DRILLING CONTRACTOR: Gregg Drilling and Testing,Inc. DATE STARTED: DATE COMPLETED: <br /> 11/5/03 10:02 11/5/03 10:36 <br /> DRILLER:Paul Rogers TOTAL DEPTH(ft.): MEASURING POINT: <br /> 12 Ground Surface <br /> DRILLING METHOD: Direct Push Continuous DEPTH TO WATER ft): 8.47' <br /> TIME: 10:12 <br /> DRILLING EQIUPMENT: Geoprobe GEOLOGIST: Kim Burckle <br /> SAMPLING METHOD: Macrocore REVIEWED BY: <br /> SAMPLES <br /> M^ DESCRIPTION <br /> >n o n a.a a g NAME(USCS):color,moist,%by wt.,plast and density. <br /> On 0 M- OW= O <br /> Fn O Surface Elevation: NA <br /> 6'Asphaft---- -- -- - <br /> 1 I Boring hand augered to 5'bgs. <br /> ML Native material observed to be silt during borehole clearance. <br /> 2 <br /> 3-- <br /> 4-- <br /> SB-4-5 4SB-4-5 <br /> 10:13 5 <br /> 11, <br /> 0.2 ML Sandy Sift(ML);yellowish brown(10yr 4/4);moist-,low plasticity;35%sift, <br /> 30%sand,35%clay,with very fine sand. <br /> 6 <br /> 7-- <br /> 0.4 — <br /> 0.4SBS2 CL Lean Clay(CIL);yellowish brown(10yr 4/3);moist;low plasticity;very fine <br /> 10:12 8 /, / sand;rootholes;no odor. <br /> 0.3 g �jl <br /> 10--// /// <br /> 11-- <br /> SC Clayey Sand(SC);yellowish brown(10yr 4(4);moist;low plasticity;veryfine sand; <br /> 0.4 12 no odor. <br /> ———— ———— ——— — — — ———— — <br /> Boring terminated at 12'bgs. <br /> 13-- <br /> 14-- <br /> 15-- <br /> 16-- <br /> 17-- <br /> 20 <br /> 31415161720 <br /> NOTES:Groundwater sample GW-4 taken @ 1020. <br /> Boring abandoned,borehole balled to surface grade with neat cement_ <br />