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Ground water monitoring data collected on 22 May 2002 from wells <br />MW -$C, MW -9C MW--IOE MW --11D, MW -12D and MW -13D <br />All units reported in feet relative to mean sea level E�, <br />Ground water elevations relative to San Joaquin County Benchmark Datum No ZAA-13 4 ST SIRE <br />Ground water elevations of PRIMARY AQ'L'1,r <br />FEP ZONE 1 <br />Or <br />'TH0 <br />RV,,,4 ROAD <br />S <br />-340 <br />WK_SCt <br />-317 <br />-B8 <br />_3 42 <br />U <br />/ 1 y <br />'o -IL -au <br />—352 <br />-sea <br />vACOT LOT <br />'-12D4 <br />—342 <br />-ado <br />`gab <br />F <br />Rose Diagram Showing Frequency of <br />k j Historical Ground Water Flow Direction <br />f at Three H's Former Tank Pit Area. <br />a <br />LEGEND <br />vw ,lib <br />-8 <br />Groag City Chevron <br />und Waiionitorlag Lati <br />42 <br />P4 <br />with reportedter ground waterWeII elevatocionon <br />Three H e Truck Plaza <br />Ground water monitoring well loeataon <br />L.� <br />start-up of ground water pump--and--treat <br />13 k1 <br />40 d <br />l <br />t <br />Ground water elevation contour line <br />I� <br />4 <br />f <br />® Aamestic Driukmg Yater Wall Location <br />(� <br />® liiating Building Structure <br />A <br />4 <br />Inferred ground water flow direction <br />f <br />and gradient <br />Rose Diagram Showing Frequency of <br />k j Historical Ground Water Flow Direction <br />f at Three H's Former Tank Pit Area. <br />a <br />a <br />W I 0 <br />Rose Diagram Showing historical Ground <br />Water Flow Direction and Gradient at <br />+, <br />f <br />e <br />Flag City Chevron Tank Pit area <br />I <br />glue arrows indicate data collected before <br />start of ground water pump -and --treat <br />Red Arrows indicate data collected after <br />a <br />start-up of ground water pump--and--treat <br />13 k1 <br />40 d <br />l <br />t <br />I� <br />4 <br />f <br />a <br />W I 0 <br />