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CONCRETE APRON WELL COVER <br /> WATER—TIGHT, LOCKING WELL CAP <br /> NEAT CEMENT SEAL <br /> I to 46 feet <br /> ' BLANK 40 PVC SCREEN (SCHEDULE 40) <br /> 0.5 to 50 feet <br /> ' BENTONITE SEAL <br /> 46 to 48 feet <br /> FILTER PACK (#2/12 SAND) <br /> 0.020 SLOTTED PVC SCREEN (SCHEDULE 40) 48 to 70 feet <br /> 50 to 70 feet <br /> ' WELL CASING PLUG <br /> 8-INCH BOREHOLE DIAMETER <br /> ' L <br /> NOTES: <br /> ' ALL DEPTHS RELATIVE TO SURFACE GRADE <br /> NOT TO SCALE <br /> MONITORING WELL DESIGN: MW- 3 Eldvaneed <br /> ' GREWAL�S MARKET Geo Environmental, Inc. <br /> n!Northern Cr/flornir <br /> 4100 EAST FREMONT STREET PROJECT NO. AGE-NC-97-0327 FILE: GREWAL7a FIGURE: <br /> ' STOCKTON, CALIFORNIA DATE: 07 APRIL 2000 DRAWN BY: KMM 7 <br />