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' LOCKING WELL COVER <br /> CONCRETE APRON <br /> 1 <br /> 0 5 FEET <br /> O 5 FEET <br />' LOCKING CAP <br /> NEAT CEMENT <br />' GROUND WATER @ 7 FEET - <br />' 2 FEET <br /> BLANK 40 PVC CASING (SCHEDULE 40) <br /> BENTONITE PLUG <br />' 4 FEET <br /> 5 FEET <br /> FILTER PACK (##3 SAND) <br /> 0020 SLOTTED PVC SCREEN (SCHEDULE 40) <br /> I <br /> 20 FEET 20 FEET <br /> I CAP <br /> 12' BOREHOLE DIAMETER <br /> MONITORING WELL DESIGN <br /> ALL DEPTHS RELATIVE TO SURFACE GRADE <br /> NOT TO SCALE <br /> GROUND WATER EXTRACTION WELL DESIGN advanced <br /> TRACY MARINE SALES ®� GeoEnvironmental, Inc <br /> < of Nor[bern Cw/�/ornu <br /> 2353 TOSTE ROAD PROJECT NO 96--0263 FILL 96-0263 FIGURE <br /> ITRACY, CALIFORNIA DATE 07 JANUARY 2002 DRAWN BY KMM 8 <br />