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:: f•fY <br /> e <br /> n nr <br /> y..v <br /> LOG CSP EXPLORATORY BQRinG <br /> PROJECT NUMBER 438-22-01 ARCO BORING NO. E-7 <br /> BY EG DATE 5/30/84 2408 Benjpmin Holt Dr. <br /> Stockton, Calif. SURFACE ELEV. <br /> CLASSIFICATION DATA FIELD DATA. <br /> u <br /> Plasti• Comoms- <br /> %Fints Liquid siro lion t E DESCRIPTION <br /> !-No.2001 Limit index Stsngeh 031ows! a 3 y' <br /> ITSF1 Ft.) S to <br /> Asphalt 6-inches <br /> (CL)Dark brown slightly sandy silty <br /> CLAY - moist <br /> 5 <br /> (gravelly interlayers) <br /> 10 <br /> 55 �7 <br /> 15 (SC)Light brown silty clayey <br /> SAND - wet <br /> (CL)Light brown sandy silty CLAY - <br /> 34 20 damp <br /> BOTTOM OF BORING <br /> `` 25' <br /> 30 —_ <br /> 35 <br /> 40 <br /> # REMARKS: Boring was converted to a ground-:•rater monitoring well by the / <br /> installation of 20 feet of 3-inch PUC casing. The lower 15 feet of _g <br /> casing was slotted and the annular space was backfilled with well pack <br /> sand from 20 feet to 4 feet. A bentonite-concreth seal was placed from <br /> 4 feet to O 'feet. € ori <br /> •,SOC.+. - . <br />