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i WEGE WELL CONSTRUCTION LOG <br /> PROJECT NAME REGAL STATION 603 MONITOR WELL NUMBER Mw-9 <br /> 6425 PACIFIC AVENUE STOCKTON, CA TOP OF CASING ELEVATION 9.22' <br /> PROJECT NUMBER DATE COMPLETED 312189 <br /> WELL TYPE MONITOR WELL (WATER) <br /> REMARKS: 13 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 CASING, 1 WATER TIGHT SECURED TRAFFIC BOX <br /> TYPICAL MONITORING WELL <br /> 7 - WELL 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 /> 9 <br /> 10__ _ <br /> 6 Length of`screen 30' <br /> --- ----- screen interval 35'-65' <br /> screen type machine cut slot <br /> 1 screen sized 02" <br /> 3 <br /> 7 Surface seal 0-1 5' <br /> seal material concrete <br /> ti 6 <br /> i{ 8 Backfill material 1 5'-26' <br /> ry seal material neat cement <br /> 9 Upper seal <br /> seal material <br /> 10 Lower seal 28'-29" <br /> --- -- ----- seal material bentonite;eilets <br /> 2 <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 /> • <br />