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410 : HSHB-ES-G1wP <br /> r SUBJECT: Ground-water Consultation No. 38-26-0474-85, Strategy for <br /> r> Ground-water Quality Investigation, Defense Depot Tracy, Tracy, <br /> F' California, 17--20 September 1984 <br /> HINGED, LOCKING CAP <br /> PROTECTIVE CASING %2 FOOT <br /> (8 it DIAMETER STEEL) i <br /> PVC WELL CAP <br /> I %2 FEET <br /> p 3n <br /> GROUND SURFACE <br /> SCHEDULE 40 PVC PIPE 2" I.D. CASING <br /> CONCRETE GROUT <br /> } <br /> BENTONITE SEAL 2 <br /> COUPLING <br /> a <br /> -- SCHEDULE 40 PVC SCREEN 2 1.D. <br /> ' SAND - =. <br /> i <br /> ^' CAP <br /> Figure 3. GENERALIZED MONITORING WELL CONSTRUCTION <br /> .6 <br /> Encl 2 <br />