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. ................... <br /> LOCKING WELL COVER <br /> CONCRETE APRON <br /> SLIP CAP <br /> NEAT"CEMENT <br /> T <br /> BLANK 40 PVC CASING (SCHEDULE 40) <br /> BENTONITE PLUG <br /> FILTER PACK (';3 SAND) <br /> 0.020 SLOTTED PVC SCREEN (SCHEDULE 40) <br /> 20 FEET <br /> PLUG <br /> 8" BOREHOLE DIAMETER <br /> TYPICAL MONITORING WELL DESIGN <br /> ALL DEPTHS RELATIVE TO SURFACE GRADE <br /> NOT TO SCALE <br /> GROUND WATER MONITORING WELL DESIGN � advanced <br /> DEN'S AUTO Ge oEnviron mental, Inc. <br /> 308 SOUTH EL DORADO STREET PROJECT NO.AGE-NC-95-0135 I FILE- 0135/PIG3 FIGURE: <br /> STOCKTON, CALIFORNIA DATE: 1 FEBRUARY 1996 =DRAWN BY:.MAC ____3 <br />