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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 /> 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 /> WFS W-1 11/10199 5/21/02 ® Approximate Location of Soil Boring Advanced by <br /> Radian(7/15/98) <br /> TP D <br /> I ND <br /> Western Farm <br /> TPHd ND ND B-15 Western Farm Service Monitoring Well <br /> S <br /> ServiceSB-13 3/15/05 SB-14 3/15/05 GMX-6 11/11/99 Aproximate Location of Soil Boring Advanced by <br /> (office) TPHg ND TPHg ND TPHd 192 Geomatrix(11/11/99) <br /> TPHd 450 TPHd 200 GMX-7 Grab Grounwater Designation <br /> Former Gasoline g <br /> WFSMW-1 SB-13 SB-14 Station SB-17 3/14/05 SB 170,00 <br /> /05 Sample Date <br /> GMX-10 TPHgg 80 Concentration in <br /> GMX-11 8/4/03 TPHNE TPHg 150$000 TPHd 0 Micrograms Per Liter(ug/L) <br /> GMX-10 8/5/03 GMX-6 TPHTPHd 3,600 Analyte <br /> TPHg 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 I ND h Notes <br /> TPHd 110 <br /> Undeveloped 1.2005 Sample Locations are Shown in Blue Unless Otherwise <br /> — — — — — — — — — — — - — — — — — — — Noted. Historical Sample Data is Shown in Brown <br /> 2.2005 Sample Locations with TPHd Concentration Higher than <br /> MW 2 100 ug/L are Shown in Red. <br /> •GMS.-:� <br /> MW-2 1 7/28/98 5/20/02 B-4 MW-3 iy�oda <br /> TPHg ND 140 <br /> TPHd 2,300 7,200 MW-3 7/28/98 5/20/02 8/7/03 <br /> TPHg ND ND ND <br /> HB-6 TPHd 300 ND 86 <br /> Asphalt Parking SG HB-3 <br /> GMX-1 B Asphalt Parking <br /> Buldings <br /> GMX-9 HBA MW-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 5I20IO2 P/I VA <br /> 100,000 gal. TPHg ND ND <br /> water-AST Pump TPHd ND ND <br /> O � House <br /> Drainage Ditch <br /> TOTAL PETROLEUM HYDROCARBON <br /> DISTRIBUTION IN GROUNDWATER <br /> March 14 & 15, 2005 and Historical Data <br /> QUS Can - Welty Road <br /> �i 35275 Welty Road,Vernalis,California <br /> drawn CTO Ichecked approved Figure <br /> ate 6/1/05 Idate date <br /> job no. file no. <br /> 06-6102-00-6178-310 <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 />