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Project No: 06-6102-004700-201 Page 1 of 1 <br /> ® MEnpib)esOn.rdLL✓Aa�7' <br /> PROJECT: POMBO PROPERTY Log of Boring No. SB-11 <br /> Tracy,Califomia <br /> ELEVATION AND DATUM: US State Plane NAD 83 Zone 3 <br /> BORING LOCATION: N 2093292.2786,E 6288249.5892 <br /> DATE STARTEDTI-IME: DATE COMPLETED:/TIME: <br /> DRILLING CONTRACTOR: Gregg Drilling 2125/04 8:15 2/25/04 10:00 <br /> TOTAL DEPTH(ft.): MEASURING POINT: <br /> DRILLER:Don Pierson 16' Ground Surface <br /> DEPTH TO WATER(ft.): 11.0' <br /> DRILLING METHOD: Direct Push Continuous TIME: 9:50 <br /> DRILLING EQIUPMENT: Geoprobe GEOLOGIST: Kim Burckle <br /> SAMPLING METHOD: Macrocore REVIEWED BY: <br /> SAMPLES U DESCRIPTION <br /> Mn o n a a NAME(USCS):color,moist,%by wt.,plast.and density. <br /> 3 ww ¢ g <br /> Og m LL `E°v v Surface Elevation: NA <br /> rn <br /> Boring hand augered to W bgs. <br /> SM Sandy Silt(ML);dark broom(10yr 414). <br /> 1 <br /> - --------- ---- <br /> ——————— <br /> 2 SP Poorly Graded Gravel(SP);1-2". <br /> SM Sandy Sift(SM). <br /> 4-- <br /> 2.0 5 <br /> 2.2 6 ——————————— ————————— <br /> �j CL Lean Clay(CL);dark yellowish brown(10yr 412);moist;lowplasticity;35%sift, <br /> 3.1 // 35%very fine sand,30%Gay;with fine to medium sand;soft to fine;rootholes; <br /> 7 no odor. <br /> 1.9 <br /> 9 <br /> Same as above;increase in clay. <br /> 2.8 <br /> 10 <br /> SB91 <br /> .43 <br /> 9:43 11 <br /> 2.6 ———————————————————— <br /> 12 SC Clayey Sand(SC);yellowish brown(10yr 4/3);saturated. <br /> No recovery from 12-13'bgs. <br /> 13- <br /> 2.4 <br /> 14 <br /> 15-- <br /> 3.0 <br /> 16 ———————————————————— <br /> Boring terminated @ 16'bgs. <br /> 17- <br /> 18- <br /> 19 <br /> 71819 <br /> 20 <br /> NOTES: Groundwater sample GW-11 collected @ 9:50. <br /> Refusal with hand auger§V and 3'. <br /> L./ Boring abandoned,borehole backfilled to surface grade with neat cement. <br />