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WELL COVER <br /> CONCRETE APRON <br /> ----TO TO 5VE UNIT <br />' LOCKING CAP <br /> NEAT CEMENT 0 5-2 5 FEET <br /> I <br /> IBLANK 40 PVC SCREEN (SCHEDULE 80) <br /> 0-5 FEET <br />' BENTONITE PLUG, 2 5-3 5 FEET <br /> 1 <br /> t'. <br /> a <br /> s H� <br /> FILTER PACK (#3 SAND) 3 5--25 FEET <br /> 0020 SLOTTED PVC SCREEN (SCHEDULE 80) <br />' 5-25 FEET <br /> r+ t. <br /> PLUG <br /> I8' BOREHOLE DIAMETER <br /> ALL DEPTHS RELATIVE TO SURFACE GRADE <br /> NOT TO SCALE <br /> VAPOR EXTRACTION WELL DESIGN 4 ,4dval2ced <br /> CHASE CHEVROLET — VAN BUREN GcoEnvironme.via Inc <br /> of A'o�L/iern Ci1iJo�gii <br /> 424 NORTH VAN BUREN STREET PROJECT NO AGE—NC-95-0143 FILE VWWELL FIGURE <br /> ISTOCKTON, CALIFORNIA DATE 12 JULY 1999 DRAWN BY MAC 6 <br />