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ffir <br />3 i - <br />MW -7A <br />(NS) I <br />(NS) <br />MW{ <br />(NS) <br />MW -5A <br />v 11 �i <br />11 )]A <br />I <br />MW-: - 11 <br />EX-N4�' I Mw -2 fd' <br />a <br />NS) (S) <br />5("1X-2 I1- E.(NS) <br />MVV.I <br />�MW-1 <br />�. <br />(Ni) <br />MW -9A <br />9=7� -1, <br />(NS) <br />MVV- IOA 0 <br />(NS) <br />W -12A <br />LEGEND: <br />ib A -ZONE GROUNDWATER <br />NOTES: <br />I. WELL HEAD ELEVATIONS RANGE FROM 42.17 TO 44.44 FT <br />MSL <br />2. FT - FEET <br />MSL - MEAN SEA LEVEL <br />BCS - BELOW GROUND SURFACE <br />NS - NOT SAMPLED <br />REFERENCE: <br />I MIS FIGURE 15 BASED ON A -SITE PLAN PROVIDED I B <br />4CRROW SURVEYING. DATED NOVEMBER 2002, AND <br />INTENDED FOR ILLUSTRATION ONLY <br />j !MIS FIGURE IS MODIFIED FROM SECOR DNAWINO FILE <br />:H -95775 -GW ELEV A ZONE 06-IQ.DWC- <br />0 60' 120 <br />GRAPHIC SCALE <br />FORMER CHEVRON SERVICE STATION 9-5775 <br />:fO VWEST KETTLEMAN LANE, LODI, CALIFORNIA <br />FIRST QUARTER 2008 <br />QUARTERLY PROGRESS REPORT <br />A -ZONE MTBE ISOCONCENTRATION <br />CONTOUR MAP <br />JANUARY 18, 2008 <br />2 ARCADIS 3• <br />MONITORING WELL (CHEVRON) <br />B -ZONE GROUNDWATER <br />MONITORING WELL (CHEVRON) <br />A -ZONE GROUNDWATER <br />EXTRACTION WELL (CHEVRON) <br />VAPOR EXTRACTION WELL (CHEVRON) <br />GROUNDWATER MONITORING WELL (SHELL) <br />DESTROYED GROUNDWATER MONITORING WELL <br />(SHELL) <br />MTBE <br />METHYL TERTIARY - BUM ETHER <br />yg/L <br />MICROGRAM PER LITER <br />(0) <br />MTBE CONCENTRATION IN ugA <br />1 <br />MTBE ISOCONCENTRATION CONTOUR IN .9/L <br />(DASHED WHERE INFERRED) <br />NOTES: <br />I. WELL HEAD ELEVATIONS RANGE FROM 42.17 TO 44.44 FT <br />MSL <br />2. FT - FEET <br />MSL - MEAN SEA LEVEL <br />BCS - BELOW GROUND SURFACE <br />NS - NOT SAMPLED <br />REFERENCE: <br />I MIS FIGURE 15 BASED ON A -SITE PLAN PROVIDED I B <br />4CRROW SURVEYING. DATED NOVEMBER 2002, AND <br />INTENDED FOR ILLUSTRATION ONLY <br />j !MIS FIGURE IS MODIFIED FROM SECOR DNAWINO FILE <br />:H -95775 -GW ELEV A ZONE 06-IQ.DWC- <br />0 60' 120 <br />GRAPHIC SCALE <br />FORMER CHEVRON SERVICE STATION 9-5775 <br />:fO VWEST KETTLEMAN LANE, LODI, CALIFORNIA <br />FIRST QUARTER 2008 <br />QUARTERLY PROGRESS REPORT <br />A -ZONE MTBE ISOCONCENTRATION <br />CONTOUR MAP <br />JANUARY 18, 2008 <br />2 ARCADIS 3• <br />