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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— <br /> A22:-PROJECT NUMBER DATE COMPLETED 312189 <br /> WELL TYPE MONITOR WELL(WATER) <br /> REMARKS: 13 BAGS CLEAN 03 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 460 BLANK CASING, 1 WATER TIGHT SECURED TRAFFIC BOX <br /> TYPICAL MONITORING WELL <br /> 71---------jff—fl - WELL CONSTRUCTION <br /> - ----- 1 Total Depth of hole 65' <br /> 2 Diameter of boring 10" <br /> 5 t3 3 Casing length_65' _ <br /> 4 <br /> 4 Diameter of casing 4" <br /> --- - -- <br /> 5 Depth to top of screen 36' <br /> 9 <br /> 6 Length of screen_3o' _ <br /> screen interval 35'-65' <br /> screen type machine cut slot <br /> 3 screen size <br /> 7 Surface seal 0-1 5' <br /> seal material concrete <br /> 1t 6 <br /> 8 Backfill material 1 s'-28' <br /> seal material neat cement <br /> 9 Upper seal <br /> i seal material <br /> 10 Lower seal 28'-29" <br /> -- seal material bentonite pellets <br /> 2 <br /> 11 AnnujUS 28 -65 <br /> material clean_*3_MontereXsand <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 />