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1 - - <br /> 1 <br /> Water Tight Locking Cap <br />' Concrete Apron Traffic Rated Well Cover <br />' Surface Grade \ I <br /> 1 <br /> Grout Seal (Portland Cement) <br />' 1 To 20 Feet <br />' 2-Inch Diameter Blank PVC Well Casing (Schedule 40) Annular Seal (Bentonite Pellets) <br /> 0 5 To 25 Feet 20 To 23 Feet <br /> 1 <br /> 1 <br /> Filter Pack (#3 Lonestar Sand) <br /> 23 To 30 Feet <br /> t 2—Inch Diameter PVC Welt Casing (0020—Inch Slot Size) <br /> Screened 25 To 30 Feet <br /> 8-INCH BORING DIAMETER <br /> Not To Scale <br /> All Measurements Reported In Feet Below Surface Grade <br /> PROPOSED IN-SITU AIR SPARGING WELL DESIGN & ,4dv,?j7ced <br /> SIERRA LUMBER GEoEnvlronmental, Inc <br /> o!Northern Colitornio <br /> 375 WEST HAZ ELTO N AVENUE PROJECT NO AGE-98-0448 FILE SIERRA7D FIGURE <br /> IStockton, California DATE 31 MAY 2000 DRA%N BY MAC 7 <br /> s <br />