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LEGEND <br /> — — — Former Old Valley Pipeline <br /> Union Pacific Railroad <br /> ---- Property Boundary <br /> o Fenceline <br /> Monitoring Well Location <br /> Soil Boring Location(date) <br /> Approximate Location of Soil Boring <br /> Advanced by Geomatrix(8/03) <br /> X Production Well(Location Estimated Based <br /> on Figure 1 as Presented in ERM,1995a) <br /> Approximate Location of Soil Boring Advanced by <br /> Geomatrix(5/20-21/02) <br /> O CPT Location Advanced by Radian(2/27/97) <br /> Approximate Location of Soil Boring Advanced by <br /> Private Residence ERM-West,Inc.(5/9/95) <br /> Q Approximate Location of Soil Boring Advanced by <br /> GTI(9/30/96) <br /> WFSMW-1 11110199 5/21/02 Approximate Location of Soil Boring Advanced by <br /> TPHg ND ND Radian(7/15/98) <br /> Western Farm TPHd ND ND SB-15 Western Farm Service Monitoring Well <br /> ServiceSB-13 3/15/05 SB-14 3/15/05 MW-5� GMX-6 11/11/99 Aproximate Location of Soil Boring Advanced by <br /> (office) TPHg ND TPHg ND TPHd 190 Geomatrix(11/11/99) <br /> TPHd 450 TPHd 200 Grab Grounwater Designation <br /> Former Gasoline g <br /> WFSMW-1 SB-13 SB-14 Station SB-17 3/14/05 SB-17 0/0/05 Sample Date <br /> GMX-10 TPHgg 480 Concentration in <br /> GMX-11 8/4/03 TPHTPHd 150 000 TPHd 50,000 Micrograms Per Liter(ug/L) <br /> TPHGMX-10 8/5/03 GMX-6 TPHd 3600 Analyte <br /> TPHg I ND <br /> State Highway 33 TPHd 210 <br /> TPHg Total Petroleum Hydrocarbons Quantified as Gasoline <br /> SB-17 TPHd Total Petroleum Hydrocarbons Quantified as Diesel <br /> ND Not Detected at or Above Laboratory Reporting Limit <br /> GMX-12 GMX-11 <br /> GMX-12 8/4/03 NA Not Analyzed <br /> TPHg ND Notes <br /> TPHd 110 <br /> Undeveloped 1.2005 Sample Locations are Shown in Blue Unless Otherwise <br /> — — — — — T — — — — — — — Noted. Historical Sample Data is Shown in Brown <br /> 2.2005 Sample Locations with TPHd Concentration Higher than <br /> MW-2 X ® CPT- RCPT-2 k 100 ug/L are Shown in Red. <br /> `hGMX-3 MW-2 7/28/98 5/20/02 SB-3 <br /> od <br /> TPHg ND 140 <br /> a <br /> TPHd 2,300 7,200 MW-3 7/28/98 5/20/02 1 8/7/03 <br /> TPHg ND ND I ND <br /> HB-6 TPHd 300 ND 86 <br /> Asphalt Parking SB-1 HB-3 <br /> GMX-1 B Asphalt Parking <br /> Buldings <br /> cnn� HB-4 MW-1 1 10/1/96 <br /> W1 3/30/95 <br /> Unpaved TPHd 3,000 TPHg ND <br /> Percolation TPHd NA <br /> Pond <br /> W1 MW-4 7/28/98 5120102 MW-4 <br /> 100,000 gal. TPHg ND ND <br /> water-AST Pump 0G, TPHd ND ND <br /> Oil <br /> House <br /> Drainage Ditch <br /> 01 TOTAL PETROLEUM HYDROCARBON <br /> DISTRIBUTION IN GROUNDWATER <br /> March 14 & 15, 2005 and Historical Data <br /> US Can - Welty Road <br /> �i 35275 Welty Road,Vernalis,California <br /> drawn CTO Ichecked approved Figure <br /> ate 6/1/05 date date <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 />