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w <br /> m <br /> g <br /> LOCKING PVC CAP SECURED TRAFFIC COVER <br /> a <br /> 0 <br />' GROUND SURFACE <br /> . . '•� . CONCRETE <br />' r r <br /> CEMENT/BENTONITE GROUT SEAL <br /> BENTONITE SEAS. <br /> SAND FILTER PACK <br /> 0.020"FACTORY SLOTTED <br /> �• _ ' PVC WELL. SCREEN <br /> r. y <br /> i—inch DIAMETER SCHEDULE 40 <br /> PVC BLANK CASING <br /> rtxi�?' r <br /> rr��! <br /> CEMENT BENTONITE GROUT SEAL <br /> n <br /> � /fir/fr <br /> BENTONITE SERE. <br /> ........ .. <br /> SAND FILTER PACK ' <br /> h�Y •�+ <br />' PVC FLUSH THREADED PLUG <br /> x <br /> NOT TO SCALE <br /> SCHEMATIC DIAGRAM OF FIGURE <br /> ARaWl5 NESTED PIEZOMETER COMPLETION � <br /> FORMER UNOCAL SERVICE STATION NO. 0187 <br />' GERAGHTY&MILLER _ _ 437 FAsr.MINER AVENUE~ STOCKTON• CA <br />