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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 /> Geomatrix(5/20-21/02) <br /> MW-5 7/21/05 C CPT Location Advanced by Radian(2/27/97) <br /> WFSMW-1 7/27/05 TPHg ND Approximate Location of Soil Boring Advanced by <br /> TPHg N O TPHd ND <br /> ERM-West,Inc.(5/9/95) <br /> BTEX ND All Other PAHs BTEX <br /> ND Q Approximate Location of Soil Boring Advanced by <br /> 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 OSB-13 SB-14 Station Aproximate Location of Soil Boring Advanced by <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* 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 /> MW-2 MW-3 /2 (NS-SPO) Not Sampled. Separate Phase Oil Present. <br /> 0'/y <br /> •GMX-3 �o <br /> I da <br /> Notes <br /> JHB-6 1.2005 Sample Locations are Shown in Blue Unless Otherwise <br /> Noted. <br /> Asphalt Parking SB-1 MW-4 7/21/05 2.2005 Sample Locations with TPHd Concentration Higher than <br /> Buldings <br /> GM -1B (NS-SPO) TPHg ND ug <br /> /L u /L are Shown in Red. <br /> GMX-9 F TPHd ND <br /> BTEX ND <br /> Unpaved Phenanthrene 0.01 <br /> Percolation All Other PAHs ND <br /> Pond <br /> 100,000 gal. Asphalt Parking MW-4 <br /> water-AST Pum <br /> O F1 Hou <br /> Drainage Ditc <br /> MW-3 7/27/05 <br /> MW-2 7/21/05 TPHg <br /> TPHg 310 TPHd s a0 PETROLEUM DISTRIBUTION <br /> TPHd 150,000 BTEX ND <br /> BTEX ND Anthracene 0.04 IN GROUNDWATER JULY 21 2005 <br /> Acenaphthene 3 Benzo(a)anthracene 0.1 ' <br /> Anthracene 5 Chrysene 0.1 <br /> Benzo(a)anthracene 0.7 Fluoranthene 0.1 <br /> Benzo(a)pyrene 0.3 Fluorene 009 US Can - Welty Road <br /> Benzo(b)fluoranthene 0.7 Naphthalene 0.02 <br /> Phenanthrene <br /> Benzo(g,h,i)perylene 0.3 Pyrene 0.01 i 35275 Welty Road,Vernalis,California <br /> Chrysene 2 y 0.3 <br /> Dibenz(a,h)anthracene 0.2 All Other PAHs ND drawn checked CBD approved CBD Figure <br /> Fluoranthene 0.9 ECO <br /> Fluorene 5 ate 9/15/05 Idate 10/25/05 date 10/25/05 <br /> Naphthalene 1 <br /> A�rOther PAHs ND 0 100 Job no. file no. <br /> 06-6102-00-6178-310 <br /> 1 inch=100 feet Science Applications <br /> Source:Basemap Modified From Geomatrix Monitoring Report 2003 From Science to SolutionSTM lni{emational Corporation <br />