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12-INCH DIAME'T'ER, TRAFFIC RATED WELL BOX <br />' BRASS FLOW VALVE/PRESSURE GAUGE <br /> COPPER SAMPLING PORT <br /> SURFACE GRADE - CONCRETE SURFACE 4-INCH DIAMETER SANITARY SEAL <br />' PROCESS PIPING AND ELECTRICAL CONDUIT <br /> I <br />' 4-INCH DIAMETER WELL CASING <br /> NEAT CEMENT 1 TO 5 5 FEET <br /> 1 � <br />' BLANK 40 PVC SCREEN (SCHEDULE 40) <br /> 0 5 TO 10 FEET <br />' BENTONITE PLUG, 5 5 TO 8 FEET <br /> �s <br /> 'r <br /> v 'r7 <br /> r S <br /> s► <br /> FILTER PACK (#3 SAND) 8 TO 35 5 FEET <br /> 0 020 SLOTTED PVC SCREEN (SCHEDULE 40) +Y <br />' 10 TO 35 5 FEET <br /> .w tr <br /> � yR <br /> 4-INCH DIAMETER PVC WELL CAP �`• �' <br /> fY <br />' 4-INCH DIAMETER GRUNDPOS PUMP (MODEL 5SIO) <br /> 27 TO 31 FEET <br />' 12-INCH BOREHOLE DIAMETER <br />' ALL DEPTHS RELATIVE TO SURFACE GRADE <br /> NOT TO SCALE <br /> EXTRACTION WELL DESIGN ESV-4 4 ,4d".12ced <br /> FLAG CITY CHEVRON GeoEnvlronmental, Inc <br />' of Northern Cahfornre <br /> 6421 7�CAP('ITOL AVENUE PROJECT NO AGE-NC-96-0232 FILE EXTWELL4 FIGURE <br /> LODI, CALIFORNIA DATE 15 JANUARY 2000 DRAWN BY KMM 4 <br />