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ICONCRETE APRON TRAFFIC RATED WELL COVER <br /> I Is <br /> LOCKING CAP <br /> NEAT CEMENT <br /> r 20 FEET <br /> I BLANK 40 PVC CASING (SCHEDULE 40) <br /> 0 - 25 FEET <br /> IBENTONITE PLUG <br /> I23 FEET <br /> GROUND `'NATER @ 32 FEET <br />' FILTER PACK (#2 SAND) <br /> 0 020 SLOTTED PVC SCREEN (SCHEDULE 40) <br /> 25 - 50 FEET <br /> - TOTAL DEPTH 50 FEET <br /> CAP � I <br /> a' BOREHOLE DIAMETER <br /> MONI'T'ORING WELLS 4,5,6,7 <br /> ALL DEPTHS RELATIVE TO SURFACE GRADE <br /> NOT TO SCALE <br /> GROUND WATER MONITORING WELL DESIGN 1�ldvanced <br /> �1 <br /> ARCO MINI M�A77R�T7� ,� Geoar Eno heron(mental, Inc <br /> 4511 PACIFIC AVENUE PROJECT NO AGE-NC-95-0128 FILE 0]28/APP FIGURE <br /> STOCKTON, CALIFORNIA DATE 17 MARCH 1996 DRAWN BY MAC <br /> I <br />