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CONCRETE APRON <br /> 5 <br /> LOCKING WELL COVER <br /> I <br /> NEAT CEMENT <br /> 77 <br /> BLANK 6" 40 PVC CASING (SCHEDULE 4G) <br /> 030 FEET <br /> BENTONITE PLUG <br /> 26-28 PEET <br /> FILTER PACK (#2/12 SAND AND 3/8 PEA GRAVEL) <br /> 0.020 SLOTTED 6" PVC SCREEN (SCHEDULE 40) 28-60 FEET <br /> 30--60 FEET <br /> k PLUG <br /> �+ 15" BOREHOLE DIAMETER <br />� I <br /> EXTRACTION MONITORING WELL DESIGN <br /> ALL DEPTHS RELATIVE TO SURFACE GRADE <br /> NOT TO SCALE <br /> EXTRACTION WELL DESIGN Advanced <br /> FORMER STOCKTON PLATING GeoEnvironmental, Inc. <br /> c �7 r�+ •>.. ' v'!Norlhe�n Cei.7ornie <br /> 632 SOUTH ELDORADO S T RE E 1 PROJECT NO. 95-0142 PILE: 0142-03 FIGURE: <br /> STOCKTON , CALIFORNIA DA'L'E: 08 NOVEMBER 2000 DRAWN BY: KMM 3 <br />