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• o • *1 <br /> w <br /> -_ 0-- - k k- - , * Fence# r y ; * EXPLANATION <br /> <50/<50/<0 50/<2 5/<2 0 <br /> MW-GD * Groundwater monitoringwell <br /> Station <50/<50j<0 50/<2 5/<2 0 (Deep Zone) <br /> Building <br /> Groundwater monitoring well <br /> (Dual Zone S=Shallow, D=Deep) <br /> AIB/CID TPH(D) (Total Petroleum Hydro-- <br /> -- carbons as Diesel w/silica get)/ <br /> TPH (G) (Total Petroleum Hydro— <br /> carbons as Gasoline)/Benzene/ <br /> MTBE/MTBE by 8260 <br /> - � Grass concentrations in ppb <br /> a <br /> <50/<250/<2 5/1,700/1,600 <br /> Planter Mw-s o, 4 <br /> a <50/<50 <0 50/<2 51<2 0 2 <br /> <50 <5% 91/21/17 ---- ---_--_� Mw-7D � <br /> LMw- Dispenser Underground 4D Mw-T8 <br /> MM4s <501<50,"1<0 50/<2 51'4 1 � <br /> ' j p <br /> <50/<50/<0 50f7 9/7 2 Islands Storage Tanks 4 <br /> <501<5,000/<50/8,20018,500#Mw-3 I <br /> I <br /> ,1 <br /> <50/<50/<0 50/66/69 <501<1,0001<10111,2001f,400 <br /> Mw-1 <br /> ----� - -- - -, Mev-68 - - --- -- <br /> —N— <br /> Former Planter <50/<1,000/<10/1,40011,600 r l I <br /> 0 40 <br /> MARCH LANE <br /> Source: Figure Id ,ed Fmm wing Provdw <br /> By IIPpS SaMces Int <br /> Scale In Feet <br /> Gettler - Ryan Inc, CONCENTRATION MAP FIGURE <br /> 6747 Tosco (Unocal) Service Station No 5886 <br /> oSierra CL, Suite J (925) 551-7555 2701 West March Lane <br /> „bria, a, 94W 2701 <br /> California 2 <br /> JOB NUMBER REVIEWED BY DATE <br /> 180137 March 25 1998 REVISED DATE <br />