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i <br /> TRAFFIC RATED WELL COVER <br /> ONE-INCH PVC PIPING <br /> CONCRETE APRON <br /> ISURFACE GRADE <br /> GROUT SEAL (PORTLAND TYPE II CEMENT) <br /> 1-48 FEET BSC <br /> 1-TACH DIAMETER PVC CASI�'C <br /> SCHEDULE 40 BLANK (1-55 FEET BSG) <br /> T <br /> ANNULAR SEAL (BENTONITE) <br /> 48-53 FEET BSG <br />' T <br /> FILTER PACK (# 3 LONESTAR SAND) <br />' 53-60 FEET BSG <br /> 1—INCH DIAMETER PVC CASING <br /> 0 020 SCREEN (55-60 FEET BSG) <br />' T <br /> L- e---INCH BORING DIAMETER <br /> NOT TO SCALE <br /> ALL DEPTHS RELATIVE TO SURFACE GRADE BSG BELOW SITE GRADE <br /> PROPOSED iN---SITU AIR SPARGING POINT DESIGN A ,4dv,9-7Ced <br /> TOP FILLING STATION GeaoEnviron mental, Inc <br /> 101 SOUTH WILSON 1YA1 PROJECT NO AGE-NC-95-013DZEE <br /> 0130/FIG9 FicUae <br /> STOCKTON, CALIFORNIA DATE 03 JULY 1997 DRAWN BY TC 9 <br />