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GASKET <br /> w <br /> r VAULT UD <br /> GROUND SURFACE <br /> WELL CAP Q o. <br /> 5 •o. o. SURFACE SEAL <br /> VAULT (CEMENT/CONCRETE) <br /> u� <br /> _. GROUT SEAL <br /> NEAT CEMENT <br /> WITH BENTONITE <br /> 4' DIA. SCHEDULE 40 PVC <br /> CASING <br /> le' <br /> BENTONITE SEAL , <br /> 1'MINIMUM <br /> WATER.TABLE <br /> c 2'MINIMUM �— 5 <br /> MAXIMUM <br /> 20'OF 4' DIA. <br /> PVC SCREEN <br /> SAND PACK :�•. — a <br /> I'VC END CAP <br /> ORE-HOLE <br /> •i2' DIA.B - •• - - - <br /> C <br /> FIGURE 4-1 <br /> SCHEMATIC DIAGRAM OF MONITORING WELL <br /> ! DISCO TANK LOCATION <br /> Del Monte Plant 33 <br /> Stcekton, California 1NILL <br /> `" sF031eoa.Wa <br />