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urr-2 <br /> i CONCRETE IDEWALK <br /> a <br /> ONTE IABLO VENU <br /> UTILIT <br /> POLE <br /> CONCR E SID ALK <br /> OVERHEAD <br /> TILITY i] S <br /> I A1W 1 <br /> VN-1 -1481 <br /> Oi R:.G-1 <br /> ' A5— I <br /> -15 43' -1478 <br /> 1{W—3 I VE-3/ <br /> A5 —2 <br /> ' [W VE-2 'E—1/ —3 <br /> > O -1468' W-4 <br /> M W <br /> ' N <br /> ' January 12, 1995 <br /> EXPLANATION <br /> I <br /> APPROXIMATE LOCATION OF MONITORING WELL <br /> 0 VAPOR EXTRACTION WELL <br /> AIR SPARGING INJECTION WELL <br /> Q AIR SPARGING OBSERVATION WFLL 0 30 60 <br /> ' VAPOR EXTRACTION & AIR SPARGING OB WELL --- <br /> VAPOR EXTRACTION WELL/AIR SPARGING OB WELL <br /> 0 VAPOR EX'T'RACTION OBSERVA'T'ION WELL <br /> Appy ox�mate Sale 1'=30' <br /> ELEVATION OF PIEZOMETRIC SURFACE _off= Geological Audit Services <br /> C H AP I N B R O S , INC 0 <br /> ENVIRONMENTAL PROFESSIONALS <br /> 1766 MONTE DIABLO AVENUE Project No SC-94-12-1056-02 File 1056\2 Figure <br /> STOCKTON, CALIFORNIA Date March 14 1995 Drawn By is <br /> 3 <br />