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. a I <br /> `I <br /> I <br /> rCNCE <br /> — x (54) — x x x — x — x — x <br /> 8/30/2004 <br /> I <br /> Mw-55 N <br /> ®MW-5D <br /> STATION (ND<50) <br /> BUILDING 8/30/2004 <br /> x � <br /> l <br /> x LEGEND <br /> MW-3 Monitoring Well (Deep <br /> GRASS I Q Zone) with <br /> z ! Dissolved-Phase TPPH <br /> a MW-2 I Concentration (�.,tg/i) <br /> w U, (ND<50) 4: <br /> 'p �— — — — — 8/30/2004 0 <br /> N0<50 C"QD ND<50 MW-7S® l Mw-105 e Groundwater Recovery <br /> MW-4S 4`' MW-7D MW-101 Well 5=shallow, <br /> BMW-4b "I 1 (ND<50) L0 MW-10D <br /> ND<50 US TS I 8/30/2004 I 1=intermediate, D=deep) <br /> x 1 Dissolved-Phase TPPH <br /> - - - - - _ 1 '_100 <br /> Contour (fig/!) <br /> Mw-81 ND<50 <br /> (71) PLANTER <br /> 8/30/2004 ND<50 <br /> MW-85 MW-1 +/ <br /> (ND<50) Mw-6S <br /> MW-80 8/30/2004 MW-6D <br /> ND<50 180 ND<50 <br /> 100 NOTES <br /> Contour lines are interpretive and based on laboratory <br /> WEST MARCH LANE analysis results of groundwater samples TPPH = total <br /> purgeable petroleum hydrocarbons Ng/I = micrograms <br /> per liter ND = not detected at limit Indicated on <br /> official laboratory report UST = underground storage <br /> tank ( ) = representative of historical value Results <br /> obtained using EPA Method 82606 <br /> MW-101 MW-91 <br /> ND<50 ND<50 <br /> 8/30/2004 <br /> Mw-1OD Mw-9D <br /> ND<50 MW-10S (ND<50) MW-9S <br /> ND<50 8/30/2004 { D<50) <br /> 30/2004 <br /> DISSOLVED-PHASE TPPH <br /> CONCENTRATION MAP <br /> November 23, 2004 <br /> 76 Station 5886 <br /> 2701 West March Lane <br /> Stockton, California <br /> SCALE (FEET) <br /> Ln <br /> a 5D ,DO TRC FIGURE 3 <br /> a <br /> Grophics on Irl (I) \GRAofectsBy \24-xxxx�20-0400\x-5000\5686t\5886-OMSdwg 01/06/05 pig <br />