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_T k-- k X M r i Fence r y a EXPLANATION <br /> <501<501<0 50/<2 5/<2 0 <br /> UW <br /> -58 - — — + Groundwater monitoring well{Deep Zone) <br /> Station <50/<50/<0 50/<2 5/<2 0 _I � <br /> Building i 4- Groundwater monitoring well <br /> (Dual Zone S=Shallow, D=Deep) <br /> AIB/CID TPH(D) (Total Petroleum Hydro- <br /> carbons as Diesel w/silica gel)/ <br /> TPH (G) (Total Petroleum Hydro- <br /> carbons as Gasoline)/Benzene/ <br /> MTBE/MTBE by 8260 <br /> JA T Grass concentrations in ppb <br /> <50/<250/<2 5/1,700/1,600 <br /> Planter MW-2 d <br /> <50/<50 <0 50/<2 5 :<2:0� <br /> <50 <5% 9i 2i 17 -----____--_i Mw-7D a <br /> 41WW-4D I i UW-78 <br /> LL <br /> jiitw-4 ; ; i <50/<50 <0 50/<2 5 4 1 <br /> <50/<50/<0 50 9 72 Dispenser I Underground i p <br /> Storage Tanks I � <br /> I i <br /> C__...._j <br /> <501<5,0001<5 8,20018,500 MW-3 <br /> r 1� <br /> <50/<50/<0 50 6/69 <br /> -<50j/<1,000/<10r1,200OpMW-8D <br /> Former Planisr <50/<1,0001400/1 <br /> , <br /> 600 <br /> 0 40 <br /> MARCH LANE <br /> Source. Figaro 161W eW From Drmnng Provded <br /> 9j AADS Sere= lac <br /> Scale in Feet <br /> 00 War - RYOn Inc. CONCENTRATION MAP FIGURE <br /> Tosco (Unocal) Service Station No 5886 <br /> 6747 Sierra Cl, Suite J (925) 551-7555 2701 West March Lane <br /> Dolin, CA 94568 Stockton, California <br /> JOB HREVIEWED BY GATE <br /> 180113737 REVISED DATE <br /> March 25 1998 <br />