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WEGE WELL CONSTRUCTION LOG <br /> PROJECT NAME REGAL STATION 603 MONITOR WELL NUMBER MW-7 <br /> 6425 PACIFIC AVENUE STOCKTON, CA TOP OF CASING ELEVATION 9 49' <br /> PROJECT NUMBER DATE COMPLETED 2-24-89 <br /> WELL TYPE MONITOR WELL(WATER) <br /> REMARKS: 12 BAGS CLEAN e3 MONTEREY SAND, 112 BUCKET BENTONITE PELLETS, 10 <br /> BAGS NEAT CEMENT WITH 596 9ENTONITE POWDER 30' of 4" SCH 480 SLOTTED PVC <br /> CASING, 35' of 4" SCH 4a0 BLANK CASING, i WATER TIGHT SECURED TRAFFIC BOX <br /> TYPICAL MONITORING WELL <br /> 7WELL CONSTRUCTION <br /> --- 1 Total Depth of hole 65' <br /> 2 Diameter of boring 10" <br /> 5 8 3 Casing length 65' <br /> 4 <br /> 4 Diameter of casing- 4' <br /> 5 Depth to top of screen 35' <br /> fQ-- - 6 Length of screen_3o' <br /> -- screen interval3s,-65, <br /> screen type machine cut slot <br /> 1 screen size a n2, <br /> 3 <br /> 7 Surface seal 0-15' <br /> seal material concrete <br /> 11 6 <br /> 8 Backfill material 1 5'-27' <br /> seal material neat cement <br /> Y� <br /> 9 Upper seal <br /> seal material <br /> 10 Lower seal 27'-28' <br /> - - -- _ seal material bentonite pellets <br /> 11 Annulus 28'-65' <br /> material clean •3 Monterey sand <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 />