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PROJECT 541 WEST GRANT LINE ROAD LO BOTI11 TR-17 <br /> Tracy, California g O g <br /> PAGE 1 OF 1 <br /> Boring location See Site Plan, Figure 3 Logged by D Himes <br /> Date started 9124/03 1 Date finished 9124103 <br /> ' Drilling method Direct push,geoprobe model 5400 mounted on Bobcat <br /> Hammer weightldrop --- I Hammer type --- <br /> Sampler 2-inch-diameter split barrel continuous core <br /> r SAMPLES E <br /> 4 (D 2- f <br /> o MATERIAL DESCRIPTION <br /> LlJ w? SampleE <br /> 0 Number y m <br /> ' _ ~ Surface Conditions Concrete sidewalk <br /> TR 17-SO 5 inches of concrete <br /> 1 - SAND with CLAY(SC-SP) <br /> black medium dense moist medium rained sand slight odor, FILL <br /> ' 2 SANDY CLAY(CL) <br /> 721 dark gray, soft, moist,20-30 percent fine sand,moderate hydrocarbon odor, FILL <br /> 3 72 CL <br /> ' <br /> 4- <br /> 5— SILTY SANDY CLAY(CL-SC) <br /> 6 gray with black mottling,soft,wet,low plastic,some sand seams(114-inch-thick), <br /> 241 CL- strong hydrocarbon odor <br /> ' 7 24 SC <br /> 8 75 117 <br /> CLAY(CL) <br /> ' y brown grades to gray,stiff, moist,moderately plastic,<10-20 percent fine sand, <br /> 10 481 CL trace organics, strong hydrocarbon odor <br /> 11 <br /> ' 12 <br /> 13 <br /> ' 14 <br /> 15 <br /> 16 <br /> 17 <br /> 18 <br /> 19 <br /> 20 <br /> ' 21 <br /> 22 <br /> ' 23 <br /> 24 <br /> 25 <br /> o <br /> 26 <br /> a 27 <br /> ' n 28 <br /> N <br /> ¢ 29 <br /> H <br /> 30 <br /> o Hand angered to 6 feat �� �� <br /> � Bonng terminated at 12 o feel <br /> Boring backfilled with cement grout <br /> Lu <br /> Temporary 1 Inch PVC screen from 7 to 12 feet Protect No Figure <br /> ' <br /> 3577011 A-17 <br /> w <br /> r <br />