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LOG OF EXPLORATORY BORInG <br /> PROJECT NUMBER 438-22-01 ARCO BORING NO. E-7 <br /> BY EG DATE �-./30184 2908 6enjamin Holt Dr. SURFACE ELEV. <br /> Stockton, Calif. <br /> CLASSIFICATION DATA FIELD DATA <br /> Plasti. Comp". Penstra- 5 r. <br /> %F. LiQWid SM., on f 2-6 E' DRSCFtIPTION <br /> Icl ry Ii <br /> t-Nc.200) Limit ndex StfnCth WIDWS/ CL <br /> (TSFj Ft.11 is <br /> Asphalt 6-inches <br /> (CL)Darl� brown slightly sandy silty <br /> CLAY - moist <br /> (gravelly interlayers) <br /> 10 <br /> 55 <br /> 15 (SC)Light brown silty clayey <br /> SAND wet <br /> (COLight browa sandy silty CLAY <br /> WIT 34 20 damp <br /> BOTTOM OF BORING <br /> 25 <br /> 30 <br /> 35 <br /> 1110 <br /> REMARKS: Boring was converted to a ground-water monitoring well by the <br /> 9. The lower 15 feet of <br /> installation of 20 feet of 3-inch PVC casi I <br /> casing was slotted and the annular space w.ns -6ackfilled with well pack <br /> a <br /> sand from 20 feet to 4 fe -concret saal was placed from <br /> et. A bentonite e <br /> 4 feet to 0 feet. Mon <br />