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LOCKING WELL COVER <br /> CONCRETE APRON <br /> I <br /> SLIP CAP <br />' NEAT CEMENT <br /> BLANK 40 PVC 4--NCH CASING (SCHEDULE 40) <br />' 0-60 FEET <br /> BENTONITE PLUG <br /> 1 <br /> s <br /> r FILTER PACK (#3 SAND) <br />' 0 020 SLOTTED PVC 4—INCH SCREEN <br /> 60-80 FEET <br /> - <br /> i` <br /> 4 <br /> PLUG op <br /> 12' BOREHOLE DIAMETER <br /> N <br />' TYPICAL MONITORING WELL DESIGN SCALE <br /> ALL DEPTHS RELATIVE TO SURFACE GRADE 4 <br /> NOT TO SCALE <br /> FEET <br /> EXTRACTION WELL DISIGN Advanced <br /> WATERLOO FOOD AND FUEL GeoEnVironmental, Inc <br />' A/ Cq///pi'A/a <br /> 3032 EAST WATERLOO ROAD PROJECT NO 99-0559 FILE 0559/APP D GURE <br /> STOCKTON, CALIFORNIA DATE 20 FEBRUARY 2004 DRAWN BY KM M A <br />