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EXM—AMMON <br /> I �x x x x x x x x <br /> Former Groundwater monitoring well <br /> <50% MW-1 <br /> � w/0 Tank <br /> x / I AIB/CID TPH(D) (Total Petroleum <br /> <0 50/ I <br /> x <2 5 Hydrocarbons as Diesel)/TPN(G) <br /> (Total Petroleum Hydrocarbons <br /> as Gasoline)/Benzene/MTBE <br /> 5C]p Hoist Station concentrations m ppb <br /> Building I + MTBE by EPA Method 8260 <br /> a I <br /> I <br /> I Former f501 M <br /> Dispenser <br /> Islands \ <561 <br /> � 01 <br /> 01 <br /> Dispenser 33 I <br /> Islands <br /> 1,800/ <br /> I <br /> 28,000 <br /> I 160/ Mw- I <br /> 860 # I <br /> Former USTS <br /> I <br /> Underground I <br /> I Storage Tanks <br /> Planter MW-3 <br /> Approximate Property Boundary �75/<500/<5 0/5,300+ —Z <br /> I <br /> 0 40 <br /> TRACY BOULEVARD <br /> Source Figure modified from drawing provided by RRM engmeenng contracting firm Scale In Feet <br /> CONCENTRATION MAP FIGURE <br /> GETTLER - RYAN INC. Chevron Service Station #9-8264 <br /> 6747 Sierra Ct, Suite J 3775 Tracy Boulevard 2 <br /> Dubw, CA 94568 (925) 551-7555 Tracy, California <br /> PRWECT NUMBER REMEM I Y DATE REVISED DATE <br /> 386854 July-18 2001 <br /> FILE MME P Env,ro Chevron 9-8264 q01-9-8264 DWG I Layout Tab Coni <br />