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• W EGE WELL CONSTRUCTION LOG <br /> PROJECT NAME REGAL STATION 603 MONITOR WELL NUMBER Mw-8 <br /> 8425 PACFIC AVENUE, STOCKTON, CA TOP OF CASING ELEVATION 9 71' <br /> PROJECT NUMBER DATE COMPLETED 3-1-89 <br /> WELL TYPE MONITOR WELL (WATER) <br /> REMARKS_ 12 BAGS CLEAN •3 MONTEREY SAND, 112 BUCKET BENTONITE PELLETS,-10 <br /> BAGS NEAT CEMENT WITH 5% BENTONITE POWDER, 30' of 4" SCH 480 SLOTTED PVC <br /> CASING, 35' of 4" SCH 480 BLANK PVC CASING, 1 WATER TIGHT SECURED TRAFFIC BOX <br /> TYPICAL MONITORING WELL <br /> 7 1 __ <br /> --- WELL CONSTRUCTION <br /> - - -- ------ i Total Depth of hole 65' <br /> 2 Diameter of boring 10" <br /> 5 s 3 Casing length 65' <br /> 4 <br /> 4 Diameter of casing 4" <br /> 5 Depth to top of screen 35' <br />• - 9 - <br /> 10 6 Length of scree 30' <br /> screen interval 35'-65' <br /> screen type machine cut slot <br /> screen size 0 02" <br /> 3 <br /> 7 Surface seal 0-15' <br /> seal material concrete <br /> 11 s <br /> 8 Backfill material 1 5'-30' <br /> v seal material neat cement <br /> 9 Upper seal <br /> seal material <br /> 10 Lower seal 30'-31' <br /> ------------ seal material.bentonite pellets <br /> 2- f 4 A--..I..- '�1 _i.'a'.• <br /> l l /11 W 11."1.13 ••• ••••• <br /> material clean e3 Monier_ey-md <br /> NOTE: Each well constructed with poly-vinyl chloride (PVC) <br /> casing with threaded bottom caps and threaded top caps <br /> Also. PVC steam cleaned before constructing each well <br /> Traffic boxes are water tight and locked for security <br />