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h'°'� <br /> tdw Project No: 06-6102-00-4926-301 Page 1 of 2 <br /> PROJECT: TRACY BYRON ROAD Logof BoringNo. SB-33 <br /> Tracy, California <br /> BORING LOCATION: N 2094833.3400,E 6283782.7270 ELEVATION AND DATUM: State Plane NAD 83 Zone 3 <br /> DRILLING CONTRACTOR: Gregg Drilling and Testing,Inc. DATE STARTED:/TIME: DATE COMPLETED:/TIME: <br /> 10/29/03 14:10 10/29/03 15:20 <br /> TOTAL DEPTH(ft.): MEASURING POINT: <br /> DRILLER: Don Pearson 24' Ground Surface <br /> DEPTH TO WATER(ft.): 15' <br /> DRILLING METHOD: Direct Push Continuous TIME: <br /> DRILLING EQIUPMENT: Geoprobe GEOLOGIST:Will Slowik <br /> SAMPLING METHOD: Macrocore,Stainless Bailer REVIEWED BY: <br /> SAMPLES <br /> _ _ U) DESCRIPTION <br /> NAME(USCSlist, by wt.,plast.and density. <br /> >a. 3 o a Q ):color,mo °/° <br /> O o o E.o W,Q. <br /> °0 U) .� O U Surface Elevation: NA <br /> Road base to 1.5'bgs. <br /> 1 <br /> o Boring hand cleared to 5'bgs. <br /> 2 ML Native Material observed to be Silt during borehole clearance. <br /> 3 <br /> 4 <br /> 5 <br /> 0.0 ML Sandy Silt(ML);very dark grayish brown(10yr3/2);moist;low plasticity; <br /> SB-33-6 70-75%silt,25-30%fine sand. <br /> 14:20 6 <br /> 7 <br /> SB-33-8 <br /> 14:25 8 Same as above,color change to yellowish brown(10yr5/4)@ 8'bgs. <br /> 0.0 <br /> 9 <br /> 10 SC Clayey Sand(SC);brown(10yr4/3);80-85%fine sand,15-20%clay. <br /> CL Sandy Lean Clay CLyellowish brown 10 r5/4,moist;mediumplasticity; <br /> ',,'✓ 70-75%clay,25-30%sand. <br /> SB-33-12 <br /> 0.0 <br /> 14:35 12 d ,, <br /> 14 � <br /> 0.0 <br /> 15 SC Clayey Sand(SC);brown(10yr4/3);saturated;70-75%fine sand,25-30%clay. <br /> 0.0 16 <br /> CL Sandy Lean Clay(CL);yellowish brown(10yr5/4);moist;medium plasticity; <br /> approx.70-75%clay,25-30%fine to very fine sand. <br /> 17 <br /> 18 <br /> SC Clayey Sand(SC);yellowish brown(10yr5/4);saturated;60-65%fine sand, <br /> 35-40%clay. <br /> 19 <br /> 20 CL Sandy°Lean Clay(CL);yellowish brown(10yr5/4);moist;low to medium plasticity; <br /> 70-75%clay,25-30%fine sand. <br /> NOTES: Groundwater sample GW-33 collected @ 15:10. <br />