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LEGEND <br /> — — — Former Old Valley Pipeline <br /> Union Pacific Railroad <br /> --- Property Boundary <br /> ---b-- Fenceline <br /> Monitoring Well Location <br /> Soil Boring Location(date) <br /> s Approximate Location of Soil Boring <br /> Advanced by Geomatrix(8/03) <br /> Production Well(Location Estimated Based <br /> W Figure 1 as Presented in ERM,1995x) <br /> -- Approximate Location of Soil Boring Advanced by <br /> Geomatrix(5/20-21/02) <br /> CPT Locabon Advanced by Radian(2/27/97) <br /> t Approximate Location of Soil Boring Advanced by <br /> ERM-West,Inc.(519/95) <br /> Approximate Location of Soil Boring Advanced by <br /> �' HHoo GTI(9130/96) <br /> TPHd 150,0000 �' Approximate Loratlon of Soil Boring Advanced by <br /> ToTPHdsg <br /> luene 390,000 Radian(7/15/98) <br /> NO Western Farm Service Monitoring Well <br /> Ethylbsrue NO Aproximate Location of Soil BoringAdvanced b <br /> Total Nm <br /> ene, NO Geoatrix(11/11/99) y <br /> Former GasolineNaphMalena 0.2 <br /> Station Phenanthrene 0.1 SB-17-W-35 Grab Grounwater Designation <br /> All Other Paha No TPHg <br /> Analyte TPHd 150,000 <br /> TPHdsg 390,000 <br /> Concentration in <br /> .� 50-n <br /> Micrograms Per Liter(ug/L) <br /> TPHg Total Petroleum Hydrocarbons Quantified as Gasoline <br /> = TPHd Total Petroleum Hydrocarbons Quanfified as Diesel <br /> TPHdsg Total Petroleum Hydrocarbons Quantified as Diesel <br /> Undeveloped with Silica Gel Cleanup <br /> — — — — — _ _ _ BTEX Benzene,Toluene,Ethylbenzene,and Total Xylenes <br /> - .- PAHs Polynuclear Aromatic Hydrocarbons <br /> BMW-3 ND Not Detected at or above Laboratory Limit <br /> ._:..: �"q <br /> 4b Notes <br /> 1.2005 Sample Locations are Shown in Blue Unless Otherwise <br /> Noted. <br /> 2.2005 Sample Locations with TPHd Concentration Higher than <br /> Asphalt Parking 100 ug/L are Shown in Red. <br /> W1 <br /> IAVJ-0e <br /> GRAB GROUNDWATER <br /> CONCENTRATION MAP <br /> March 14 & 15, 2005 <br /> US Can - Welty Road <br /> �i 35275 Welty Road,Vemalis,California <br /> raven checked approv, <br /> QIQ Figure <br /> a e 5/27/05 loate ate <br /> 0 100 10 no.06-6102-00-6178-310 11e no. <br /> 11 inch <br /> Science Applications <br /> International Corporation <br /> ® An Employee-Owned Company <br />