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i <br /> EXPLANATION <br /> EAST MAIN STREET f Groundwater monitoring well <br /> .,. ., <br /> MW-2 (Shallow) <br /> # Former Groundwater monitoring well <br /> \<50/<0.51<2 W/o Tank (Deep) <br /> + <50/<0.5/<2 <br /> \ Lawn #MW-1 A/B/C Total Petroleum Hydrocarbons <br /> + Trash (TPH) as Gasoline/Benzene/ <br /> \ Enclosure MTBE concentrations in ppb <br /> � ��° Canopy NOTE: Benzene and MTBE analyses <br /> \ r- _ by EPA Method 8260 <br /> \ Station Dispenser <br /> \ Building ! Islands j <br /> \ AC <br /> 1,0001<5114,000. - Paving <br /> �\ <br /> MW-8 #MWA <br /> �9 9 ~+\ # <50/<0.5167 <br /> 9- Mw-6a uTS <br /> <50/<0.5/<2 \Myy-6S Pad Former <br /> USTS <br /> 4,000/<25/47,000 ' <50/<0.5/450 <br /> Mw-55 <br /> <50/<0.5/<2 <br /> Mw-5D <br /> -MW-7D: <br /> <50/<0.5/<2 \ #' Mw-3 <br /> �\ # <50/<0.5/<2 <br /> -N— <br /> On-Romp o I 40 <br /> Scalia In Feet <br /> Source: Figure modified from'drawing provided by Secar International mc. , <br /> !u CONCENTRATION MAP FlGURE <br /> GETTLER - RYAN JINC. Chevron Service Station #9-1452 <br /> 6747 Sierra Ct., Suite J , 334 East Main Street 2 <br /> Dublin, CA 94568 (925) 551-7555 <br /> Ripon, California <br /> PROJECT NUMBER REVJEWED BY DATE REVISED DATE <br /> 386582 February 27.' 2004 <br /> FILE NAME: P:\ENVIRO\CHEVRON\9-1452\004-9-1452.DWG Layout Tab: Con1 <br />