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PROJECT NO.:160642 DATE DRILLED: 6/16/08NORTHING: - <br /> TI <br /> GROUND SURFACE ELEVATION: <br /> LOCATION: BNSF CCT Stockton Railyard LOGGED BY: M. Sellwood E - <br /> - <br /> 1645 Cherokee Road APPROVED BY: K. Woodburne, PG <br /> Stockton,California DRILLING CO.: Boart Lonqyear <br /> DRILLING METHOD: 6-inch Sonic <br /> SAMPLER TYPE: 10-ft. Continuous-Core Barrel BORING <br /> 3 TOTAL DEPTH: 85.0 ft. o BACKFILL <br /> o o^ o a DEPTH TO WATER: 58.5 ft. o DETAIL <br /> v W a <br /> a LL ud 09 DESCRIPTION = - <br /> 0 <br /> 40 SILT-FILL(ML)(continued). 40 <br /> • Neat <br /> ML- Cement <br /> 45 Fill 45 Grout <br /> z+o 50 -8-17 @ 50' — 50 <br /> o -@ 50':color change to brown(10YR 5/3),hydrocarbon odor;approximate <br /> bottom of fill. <br /> ML <br /> 055—'.-1 B-17 @ 55' S5 <br /> @ 56':wet. <br /> o u.o/sao <br /> SAND(SP):Dark yellowish brown(10YR 4/4),5%fines,95%fine-grained SID _ <br /> 60 sand,nonplastic,loose,wet. 60 <br /> - <br /> ° SILT(ML):Yellowish brown(10YR 5/6),70%fines,30%fine-grained sand, <br /> medium plasticity,medium stiff,moist. <br /> ML <br /> 65 SAND(SM):Dark yellowish brown(10YR 4/4),25%fines,75%fine-grained <br /> ° 65 <br /> sand,medium plasticity,medium dense,moist. <br /> —70 70 <br /> SM <br /> :..: <br /> ° 75 @ 75':dense. 75 <br /> 80 80 .;.: <br /> / t TRC LOG OF EXPLORATORY BORING PAGE 2 OF 3 <br />