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WEGE WELL CONSTRUCTION LOG <br /> PROJECT NAME REGAL STATION 603 MONITOR WELL NUMBER MW-6 <br /> 6425 PACIFIC AVENUE STOCKTON, Ca TOP OF CASING ELEVATION 9 88' <br /> PROJECT NUMBER DATE COMPLETED 2-22-89 <br /> WELL TYPE MONITOR WELL(WATER) <br /> REMARKS: 12 BAGS CLEAN 83 MONTEREY SAND, 112 BUCKET BENTONITE PELLETS, 10 <br /> BAGS NEAT CEMENT WITH 5% BENTONITE POWDER 3D' of 4" SCH 480 SLOTTED PVC <br /> CASING, 35' OF 4" SCH 480 BLANK PVC CASING, l WATER TIGHT SECURED TRAFFIC BOX <br /> TYPICAL MONITORING WELL <br /> WELL CONSTRUCTION <br /> 7 � � 1 Total Depth of hole 6� <br /> 2 Diameter of boring 10" <br /> 8 1 3 Casing length 65' <br /> S 4 <br /> 4 Diameter of casing 4" <br /> 5 Depth to top of screen 35' <br /> g - 6 Length of screen 30' <br /> 10------ screen interval 35'-65' <br /> nr screen type machine cut slot <br /> -- 1 screen size 0 02" <br /> kA 3 <br /> 7 Surface seal 0-1 5' <br /> 3 seal material concrete <br /> l l 6 Y 8 Backfill material 1 5'-27' <br /> seal material neat cement <br /> 9 Upper seal <br /> h 3 seal material <br /> 3 <br /> 10 Lower seal 27'-28' <br /> --- seal material bentonite pellets <br /> 2 11 Annulus 28'-65' <br /> material clean •3 Monterey sand <br /> NOTE, Each well constructed with polyvinyl chloride (PVC) <br /> casing with threaded bottom caps and threaded lop caps <br /> Also, PVC steam cleaned before constructing each well <br /> Traffic boxes are water tight and locked for security <br /> • <br />