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LOCKING WELL COVER <br />' CONCRETE APRON <br /> I <br /> 0 5 FEET 0 5 FEET <br /> ILOCKING CAP <br /> MEAT 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 /> IFILTER PACK (#3 SAND) <br /> 0 020 SLOTTED PVC SCREEN (SCHEDULE 40) <br /> I <br /> I <br /> I <br /> 20 FEET 20 FEET <br /> CAP <br /> 25 BOREHOLE DIAMETER <br /> I MONITORING WELL DESIGN <br /> ALL DEPTHS RELATIVE TO SURFACE GRADE <br /> NOT TO SCALE <br /> JI <br /> "ROUND WATER OBSERVATION WELL DESIGN 4 ,4dvaared <br /> I TRACY MARINE SALES GeoEnviro bl nw1, Inc <br /> of No�lhe�n Ca/ifornu <br /> 235( V3� TOSTEROAD PROJECT NO 96-0263 FILE 96-0263 FIGURE <br /> ITRAM 1 , CALIFORNIA DATE 07 JANUARY 2002 DRAWN BY KMM 9 <br />