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LEGEND <br /> — — Former Old Valley Pipeline <br /> Union Pacific Railroad <br /> o Fenceline <br /> Private Residence <br /> � Monitoring Well Location Installed by SAIC(2005) <br /> Soil Boring Location Advanced by SAIC(2005) <br /> WFSMW-1 4/21/05 10/19/05 10/19/05 Monitoring Well Location <br /> TPHg ND ND NO MW-5 4/21/05 7/21/05 10/19/05 Approximate Location of Soil Boring <br /> TPHd 71 170 240 TPHg ND ND ND Advanced by Geomatrix(8/03) <br /> BTEX ND ND ND TPHd IND ND ND <br /> Fluorene ND ND 0.01BTEX ND ND ND <br /> 0. <br /> Phenanthrene 1 NND Production Well(Location Estimated Based <br /> Naphthalene 0.01ND ND Naphthalene 0.012 ND ND on Figure 1 as Presented in ERM,1995a) <br /> Western Farm All Other PAHs NDD NDO ND SB-15 All Other PAHs ND ND ND C Approximate Location of Soil Boring Advanced by <br /> Service MW-5 Geomatrix(5/20-21/02) <br /> (office) C CPT Location Advanced by Radian(2/27/97) <br /> GMX-7 Former Gasoline Approximate Location of Soil Boring Advanced by <br /> WFSMW-1 OSB-13 •SB-14 ® Station ERM-West,Inc.(5/9/95) <br /> Q Approximate Location of Soil Boring Advanced by <br /> GTI(9/30/96) <br /> ® Approximate Location of Soil Boring Advanced by <br /> State Highway 33 Radian(7/15/98) <br /> Western Farm Service Monitoring Well <br /> 1.! 0 SB-17 Aproximate Location of Soil Boring Advanced by <br /> GNix-12X GMX-11X Geomatrix(11/11/99) <br /> HB-5 <br /> Sample Name MW-5 7/21/05 Date Sampled <br /> TPHg ND <br /> — _ _ —Undeveloped _ _ Analyte TPHd ND <br /> Concentration in <br /> MW-2 MW-3 Micrograms Per Liter(pg/L) <br /> 191N TPHg Total Petroleum Hydrocarbons Quantified as Gasoline <br /> el;ivix-s I °da TPHd Total Petroleum Hydrocarbons Quantified as Diesel <br /> BTEX Benzene,Toluene, Ethylbenzene,and Total Xylenes <br /> H3-6 PAHs Polynuclear Aromatic Hydrocarbons <br /> Asph It Parking SB-1HB-3 MW-4 4/21/05 7/21/05 10/19/05 ND Not Detected at or above Laboratory Limit <br /> GMX-1B MW-1 TPHg NS ND ND (NS-SPO) Not Sampled. Separate Phase Oil Present. <br /> Buldings �NS-SPO) TPHd NS ND ND <br /> HB- BTEX NS ND ND NS Not Sampled <br /> Phenanthrene NS 0.01 NO <br /> Percolation Unpaved All Other PAHs NS ND ND <br /> Pond <br /> Asphalt Parking MW-4 <br /> 100,000 gal. <br /> water-AST Pump MGMX-5 <br /> O F1 House <br /> Drainage Ditc <br /> MW-3 42105 7/27/05 10/19/05 <br /> MW-2 4/21/05 7/21/05 10/19/05 NS ND N D <br /> TPHg NS-SPO 310 NS-SPO TPHd NS 6700 2500 <br /> TPHd NS-SPO 150,000 NS-SPO BTEX NS ND ND <br /> BTEX NS-SPO ND NS-SPO Anthracene NS 0.04 ND <br /> Acenaphthene NS-SPO 3 NS-SPO Benzo(a)pyrene NS 0.1 0.03 <br /> Anthracene NS-SPO 5 NS-SPO Chrysene NS 0.1 ND <br /> Benzo(a)anthracene NS-SPO 0.7 NS-SPO Fluoranthene NS 0.1 0.02 <br /> Benzo(a)ppyrene NS-SPO 0.3 NS-SPO Fluorene NS 0.09 ND <br /> Benzo((gg h,i)perylene NS-SPO 0.3 NS-SPO Naphthalene NS 0.02 0.02 <br /> Benzo b)fluoranthene NS-SPO 0.7 NS-SPO Phenanthrene NS 0.01 ND <br /> Chrysene NS-SPO 2 NS-SPO Pyrene NS ND ND5 <br /> NS <br /> Dibenz(a,h)anthracene NS-SPO 0.2 NS-SPO All Other PAHs PETROLEUM DISTRIBUTION <br /> Fluoranthene NS-SPO 0.9 NS-SPO <br /> NS-SPO 5 NS-SPO <br /> Naphthalene <br /> IN GROUNDWATER DURING 2005 <br /> Naphthalal ene NS-SPO 1 NS-SPO <br /> Pyrene NS-SPO 2 NS-SPO <br /> All Other PAHs NS-SPO ND NS-SPO US Can - Welty Road <br /> �i 35275 Welty Road,Vernalis,California <br /> drawn ECO Ichecked approved Fi ure <br /> 9 <br /> ate 1/24/06 date date <br /> job no. file no. <br /> 06-6102-00-6178-310 <br /> 0 100 <br /> 1 inch=100 feet Science Applications <br /> Source:Basemap Modified From Geomatrix Monitoring Report 2003 From Science to Solutions"' lniemational Corporation <br />