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' WATER TIGHT LOCKING CAP <br /> ' CONCRETE APRON TRAFFIC RATED WELL COVER <br /> SURFACE GRADE <br /> 4 <br /> I <br /> Grout Seal: 0.5 to 5 feet <br /> (Schedule 40) Blank PVC Casing <br /> 0.5 Feet To 9 Feet <br /> Bentonite Plug 5 Feet to 7 Feet <br /> d <br /> Filter Pack (#3 Sand) <br /> 7 To 29 Feet <br /> (Schedule 40) 0.020 Slotted PVC Screen <br /> ' 9 To 29 Feet <br /> 1 <br /> ' Formation <br /> 29 Feet to 32 Feel <br /> � 8—Inch Boring Diameter <br /> Not To Scale <br /> ' All Measurements Depicted As Feet Below Surface Grade <br /> MONITORING WELL DESIGN: MW-4 ® .4dv,9Dced <br /> ' Paige's Towing GeoEnvironmAtp tInc. <br /> of Nor[hern CAG'lorni� <br /> 1807 Douglas Road PROJECT N0.AGE-95-0197 FILE: Paige8 FIGURE: <br /> Stockton, California DATE: 28 June 1999 DRAWN BY: MAC 8 <br />