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V , <br /> LOCKING WELL COVER <br /> CONCRETE APRON <br /> SLIP CAP <br /> NEAT CEMENT <br /> I <br /> BLANK 40 PVC CASING (SCHEDULE 40) <br /> 0-5 FEET <br /> _ BENTONITE PLUG <br /> FILTER PACK (#3 SAND) <br /> 0.020 SLOTTED PVC SCREEN (SCHEDULE 40) <br /> 15 FEET <br /> PLUG <br /> 6" BDREHOLE DIAMETER <br /> TYPICAL MONITORING WELL DESIGN <br /> ALL DEPTHS RELATIVE TO SURFACE GRADE <br /> NOT TO SCALE <br /> GROUND WATER MONITORING WELL DESIGN �4dvarlced <br /> STEPHEN'S MARINE GeoEnvron�mental, .Inc. <br /> 345 YOSEMITE STREET PROJECT NO.AGE-NC-96-0266 FILE: 0266/FIG4 FIGURE: <br /> STOCKTON, CALIFORNIA DATE: 07 MAY 1997 DRAWN BY: MAC 4 <br />