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I x x x x x x x x EXPLANAMN <br /> I k Mw-1 Former <br /> rTank I + Groundwater monitoring well <br /> <50/<50/ <br /> <0 50 <2+ AIB/CID Total Petroleum Hydrocarbons <br /> k / I (TPH) as Dlesel)/TPH as <br /> 4/ Gasoline/Benzene/MTBE <br /> Sump Hoist m <br /> concentrations In ppb <br /> H Building 4 I + MTBE by EPA Method 8260 <br /> I <br /> I <br /> Former <br /> Dispenser MW-2 <br /> Islands� <50/<50/ I <br /> Dispenser <br /> <0 50/<2 5 I <br /> ' <br /> Islands <br /> I <br /> I Mw- I <br /> 6,60210/ I <br /> <0 50 3,000+ <br /> Former USTS <br /> ' Underground I <br /> I Storage Tanks <br /> Planter Mw-3 2,200176,000/ <br /> — — <100/630 I <br /> Appro)umate Property Boundary —z 7`ft— <br /> 1 <br /> 0 40 <br /> TRACY BOULEVARD <br /> Source Figure modified from drawing provided by RRM engineering contracting firm Scale in Feet <br /> 111C. <br /> CONCENTRATION MAP MORE <br /> ETTlER - RYAN Chevron service station #9-8264 <br /> 6747 Sierra Ct Suite J 3775 Tracy Boulevard <br /> Dublin CA 94568 (925) 551-7555 <br /> Tracy, California 2 <br /> PROJECT NUMBER REVIEWED BY DATE REVISED DATE <br /> 386854 January 23 2002 <br /> FILE NAME P Envnro Chevron 9-8264 QO2-9-8264 dwg I Layout Tab Cont <br />