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PROJECT NO.:160642 DATE DRILLED: 6/13/08 NORTHING - <br /> LOCATION: BNSF CCT Stockton Railyard LOGGED BY: M. Sellwood CASTING: - <br /> 1645 Cherokee Road APPROVED BY: K. Woodburne PG GROUND SURFACE ELEVATION: - <br /> Stockton,California DRILLING CO.: Boart Longyear <br /> DRILLING METHOD: 6-inch Sonic <br /> - SAMPLER TYPE: 10-ft. Continuous-Core Barrel <br /> a W W 3 TOTAL DEPTH: 78.0 ft. > BORING <br /> > > DEPTH TO WATER: 58.0 ft. o BACKFILL <br /> _o ° 4 W o DETAIL <br /> a a v DESCRIPTION <br /> 0 40 SAND(SM)(continued). T 1: 40 <br /> SM <br /> 0 <br /> o ,a.ons.o SILT(ML):Brownish yellow(10YR 6/6),90%fines, 10%fine-grained sand, <br /> medium plasticity,medium stili,moist. Neat <br /> 45 45 Cement <br /> Grout <br /> 0 <br /> 50ML <br /> -B-15@50- S0 <br /> 0 <br /> @ 55':dry. <br /> 55 B-15 @ 55 55 <br /> SAND(SM):Yellowish brown(10YR 5/6),20%fines,80%fine-grained sand, <br /> SM <br /> low plasticity,loose,damp. <br /> ° _: <br /> o ,o.o�,o.o SAND(SP):Yellowish brown(10YR 5/4),5%fines,95%fine-grained sand, <br /> nonplastic,loose,wet. SID < <br /> { 60 60- <br /> - SILT(ML):Dark yellowish brown(10YR 4/4),90%fines, 10%fine-grained <br /> sand, low plasticity,soft,moist. <br /> ML <br /> o <br /> 65 65 <br /> SAND(SP):Dark yellowish brown(10YR 414),5%fines,95%fine-grained SP _ <br /> sand,nonplastic,loose,wet. _ <br /> ° SILT(ML):Dark yellowish brown(10YR 4/4),95%fines,5%fine-grained sand, <br /> .� <br /> medium plasticity,stiff,damp. <br /> 70 70 <br /> ML <br /> 75 @ 75':dry. 75 <br /> @ 76':damp. <br /> 0 <br /> 80 80 <br /> ��T' TR LOG OF EXPLORATORY BORING B-15 <br /> 1 1 C PAGE 2 OF 2 <br />