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Al <br /> CONCRETE APRON <br /> LOCKING WELL COVER <br /> _ I <br /> NEAT CEMENT <br /> BLANK 6" 40 PVC CASING (SCHEDULE 40) <br /> 0-30 FEET <br /> BENTONITE PLUG <br /> 26-28I FEET <br /> f <br /> FILTER PACK (#2/12 SAND AND 3/8 PEA GRAVEL) <br /> 0 020 SLOTTED 6" PVC SCREEN (SCHEDULE 40) 2 <br /> 30-60 FEET 8-60 FEET <br /> PLUG <br /> 15" BOREHOLE DIAMETER <br /> EXTRACTION/MONITORING WELL DESIGN <br /> ALL DEPTHS RELATIVE TO SURFACE GRADE <br /> NOT TO SCALE <br /> EXTRACTION WELL DESIGN ® �4dvanced <br /> FORMER STOCKTON PLATING 4 � GeoEnvironmental, Inc <br /> a!Nar[bera Cr/alornie <br /> 632 SOUTH ELDORADO STREET PROJECT NO 95_142 FILE 0142-03 FIGURE <br /> STOCKTON , CALIFORNIA <br /> DATE 08 NOVEMBER 2000 PRAWN BY KMM 3 <br />