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PROJECT NO.:160642 DATE DRILLED: 6/12/08 NORTHING: - <br /> LOCATION: BNSF CCT Stockton Railyard LOGGED BY: M. Sellwood EASTING: - <br /> TOP OF CASING ELEVATION: - <br /> 1645 Cherokee Road APPROVED BY: K.Woodburne PG TOP OF PVC ELEVATION: - <br /> Stockton,California DRILLING CO.: Boart Lonqyear GROUND SURFACE ELEVATION: - <br /> DRILLING METHOD: 6-inch Sonic <br /> SAMPLER TYPE: 10-ft. Continuous-Core Barrel <br /> WELL <br /> a 3 TOTAL DEPTH: Boring-83.0 ft.;Well -67.0 ft. CONSTRUCTION <br /> 0 0 o i F DEPTH TO WATER: 50.0 ft. ° <br /> (n o DETAIL <br /> O <br /> U U 1i a. — U = <br /> a o°.-' DESCRIPTION D <br /> 0 Hand augered to 6'. 0 Well Box <br /> SAND-FILL(SM):Dark yellowish brown(10YR 4/4),20%fines,75%fine-to with <br /> coarse-grained sand,5%fine-grained gravel,low plasticity,loose,dry. Locking <br /> Cap <br /> Neat <br /> 5 T5 Cement <br /> Grout <br /> o 1ao/lao <br /> SM— <br /> Fill <br /> 2-inch <br /> Schedule <br /> 0 <br /> 10 10 40 PVC <br /> .v <br /> SILT(ML):Dark yellowish brown(10YR 4/4),70%fines,30%fine-grained <br /> 0 15 sand,medium plasticity,soft,dry. 15 <br /> o ,ao/iao -@ 16':moist. <br /> a w <br /> fw <br /> 0 20 20 <br /> -@ 24':stiff. <br /> 25 -@ 25':color change to brown(7.5YR 4/4),dry. ML 25 <br /> 0 <br /> 1aa/1so <br /> ° 30 -@ 30':very stiff. 30 <br /> 0 <br /> 35 35 =' <br /> 0 <br /> 4 <br /> CLAY(CH):Yellowish brown(10YR 5/8),95%fines,5%fine-grained sand, CH <br /> ° high plasticity,very stiff,dry. _ <br /> o Iio/1:o SILT(ML):Yellowish brown(10YR 5/4),70%fines,30%fine grained sand, <br /> medium plasticity,soft,moist. ML <br /> 40 40:34--.1 .- <br /> TRC MONITORING WELL INSTALLATION LOG B-13/MW-6 <br /> PAGE 1 OF 3 <br />