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ALTON GEOSQIEN.GE PROJECT NO, 30-0140-02 DATE DRILLED 11/19/91 <br /> LOG OF EXPLORATORY CLIENT Former Mobil Station 04-NP4 WELL NO. <br /> BORING ■ LOCATION 2375 Tracy Boulevard,Tracy,CA _ AMW-6 <br /> LOGGED BY G.N-Westermann APPROVED BY <br /> Page 1 of 1 <br /> FIELD SKETCH OF BORING LOCATION <br /> DRILLING METHOD CME 55 Holbw Stem Auer HOLE DIAM. 10' <br /> SEE FIGURE 2 SAMPLER TYPE California Modif led S tit-5 n <br /> CASING DATA 4`Sch.40 PVC: 4'Blank,10'Screen <br /> TOP OF CASING ELEVATION 26.33 feet msl DRILLER Westex <br /> z_ <br /> c DEPTH TO WATER 6.00' 5.85' <br /> W h 2 DATE 10/19/91 12/10/91 <br /> g o_ v, TIME 4:00 PM B:DO PM <br /> u_ Q, _ <br /> m U a a <br /> DESCRIPTION <br /> Q <br /> "'. TOP SOIL V <br /> 40 <br /> 2 gravelly FILL material with clayey SAND matrix:brown,moist <br /> 4 diam. „ (encountered ground water with probe at 6');gravel to 4” <br /> 4 Sch. 40 GP diameter. <br /> PVC <br /> Casing No recovery. <br /> 2,2,3 6 ------------------ <br /> $ a•diam. . clayey SAND with some gravel:gray,saturated, (cuttings on <br /> sch.4o hammer). <br /> 0 PVC i; clayey SAND:gray,saturated(cuttings from auger) <br /> 0.020• ; Sc 'V <br /> 12 slotting <br /> SAND with some clay:gray, saturated,very fine to very coarse <br /> End C sand, loose; heaving sand(cuttings on hammer) <br /> 14 <br /> BOREHOLE TERMINATED AT 14 FEET BELOW GRADE <br />