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LOCKING PVC CAP SECURED TRAFFIC COVER <br /> GROUND SURFACE <br /> •Y ' A <br /> j • J <br /> CONCRETE <br /> N <br /> CL /t / <br /> % CEMENT/BENTONITE GROUT SEAL <br /> 41 <br /> 04. <br /> BENTONITE SEAL <br /> SS S: SS <br /> _ . r SAND FILTER PACK <br /> 0.020"FACTORY SLOTTED <br /> PVC WELL SCREEN <br /> 1--inch DIAMETER SCHEDULE 40 <br /> PVC BLANK CASING <br /> CEMENT/BENTONITE GROUT SEAL <br /> ' m -e e / <br /> N_ f/rfl✓ <br /> 9 f/�fi! <br /> "" BENTONITE SEAL <br /> SAND FILTER PACK <br /> al � .� # - PVC FLUSH THREADED PLUG <br /> z <br /> NOT TO SCALE <br /> 4 <br /> .- <br /> 4 SCHEMATIC DIAGRAM OF FIGURE <br /> NESTED PIEZOMETER COMPLETION 2 <br /> ' ARCOIS FORMER UNOCAL SERVICE STATION NO. 2859 <br /> GERAGHTY&MILLER 1665 PACIFIC AVENUE. STOCKTON, CA <br />