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i <br /> EXPLANATION <br /> � Groundwater monitoring well <br /> � Groundwater monitoring LOWER SACRAMENTO ROAD <br /> well (Deep) <br /> Dnveway Mw-2 Drneway <br /> A/B/C Total Petroleum Hydrocarbons .1,500/5/12 <br /> (TPH) as Gasoline/Benzene/ 70/<0 5/<0 5 � <br /> MTBE concentrations In ppb Mw-7 <br /> NO TE Benzene and MTBE analyses k Dispenser <br /> by EPA Method 8260 ___ _ Islands ( #.MW"1 Z <br /> Underground L---_—_— <50/<a 5/<a 5 W <br /> Storage F— — > <br /> Tanks L_..----J L _ _ _ a <br /> --------I Z <br /> L-------J AC Paving <br /> MW-' W <br /> #i 10/<0 5/20 0 <br /> W <br /> 0 <br /> Z <br /> <50/<0 5/<0 5 <br /> MW-6 <br /> MW-6D <br /> <501<0 51<0 5 Station , <br /> Budding a <br /> I MW-SDMW5 <br /> --Z 7IM100-- <50/<0 5/<0 5 <50/<0 5/<0 5 <br /> I <br /> 0 40 <br /> MW-4# MW-4D <br /> <50/<0 5/<0 5 2,200/360/5 <br /> Scale in Feet <br /> Source Ficiure modified from drowing provided by Morrow Sury n dated 4-41 <br /> ■ CONCENTRATION MAP FlGURE <br /> imGETTLER ` RYAN INC. Chevron Service Station #9-3232 <br /> 6747 Sierro Court, Suite a 8660 Lower Sacramento Road 2 <br /> Dublin CA 94568 (925) 551-7555 Stockton, California <br /> PMECT NUMBER REVIEWED BY DATE REVISED DATE <br /> 386463 October 26 2005 <br /> FILE NAMF— P Enviro Chevron 9-3232 005-9-3232 dwg Loyout Tab Con4 <br />