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LEGEND <br /> Former Old Valley Pipeline <br /> Union Pacific Railroad <br /> o Fenceline <br /> Monitoring Well Location Installed by SAIC(2005) <br /> Soil Boring Location Advanced by SAIC(2005) <br /> Monitoring Well Location <br /> �g Approximate Location of Soil Boring <br /> Advanced by Geomatrix(8/03) <br /> Private Residence Production Well(Location Estimated Based <br /> on Figure 1 as Presented in ERM,1995a) <br /> C Approximate Location of Soil Boring Advanced by <br /> WFSMW-1 Geomatrix(5/20-21/02) <br /> TPH ND C CPT Location Advanced by Radian(2/27/97) <br /> TPHd 71 TPHgMW 5 ND Approximate Location of Soil Boring Advanced b <br /> BTEXNaphthalene <br /> ND TPHND pp g y <br /> Naphthalene 0.025 BTEX ND ERM-West,Inc.(5/9/95) <br /> Phenanthrene 0.011 Naphthalene OND Approximate Location of Soil Boring Advanced by <br /> All Other PAHs ND All Other PAHs ND GTI(9/30/96) <br /> Western Farm SB-15 <br /> Service MW-5 ® Approximate Location of Soil Boring Advanced by <br /> (office) Radian(7/15/98) <br /> Former Gasoline Western Farm Service Monitoring Well <br /> WFSMW-1 SSB-13 SB-14 Station Aproximate Location of Soil Boring Advanced by <br /> 4Z <br /> Geomatrix(11/11/99) <br /> Sample Name MW-5 7/21/05 Date Sampled <br /> TPHg ND <br /> State Highway 33 Analyte TPHd ND <br /> Concentration in <br /> SB-17 Micrograms Per Liter(ug/L) <br /> GMX-12)B GMX-11� <br /> TPHg Total Petroleum Hydrocarbons Quantified as Gasoline <br /> TPHd Total Petroleum Hydrocarbons Quantified as Diesel <br /> Undeveloped BTEX Benzene,Toluene, Ethylbenzene,and Total Xylenes <br /> -- — — — — — PAHs Polynuclear Aromatic Hydrocarbons <br /> ND Not Detected at or above Laboratory Limit <br /> 9 MW-2 B MW-3 7y (NS-SPO) Not Sampled. Separate Phase Oil Present. <br /> (NS-SPO) - `��y (NS-DRY) Not Sampled. Limited Quantity of Water. <br /> •GMX-3 0 <br /> as <br /> Notes <br /> H3-6 1.2005 Sample Locations are Shown in Blue Unless Otherwise <br /> Noted. <br /> Asphalt Parking SB-1 HB-3 2.2005 Sample Locations with TPHd Concentration Higher than <br /> Buldings GMX-1B MW-SPO) ug <br /> /L 100 u /L are Shown in Red. <br /> GMX-9 HB- <br /> Unpaved <br /> Percolation <br /> Pond <br /> Asphalt Parking MW-4 <br /> 100,000 gal. <br /> water-AST Pump (NS DRY) <br /> O 11 House <br /> Drainage Ditch <br /> SECOND QUARTER 2005 GROUNDWATER <br /> CONCENTRATION MAP <br /> QUS Can - Welty Road <br /> �i 35275 Welty Road,Vernalis,California <br /> drawn 9 <br /> KLG checked approved Fi ure <br /> ate 10/10/05 Jdate date Q <br /> job no.06-6102-00-6178-310 file no. (� <br /> 0 100 <br /> Science Applications <br /> 1 inch=100 feet International Corporation <br /> An Employee-Owned Company <br /> Source:Basemap Modified From Geomatrix Monitoring Report 2003 ® <br />