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LEGEND <br /> SB-17 1'b s. 5'b s. 42'b s. - - - Former Old Valley Pipeline <br /> TPHc 17 60 6,700 <br /> TPHg ND ND 510 Union Pacific Railroad <br /> Benzene ND ND ND <br /> Toluene ND ND ND ---- Property Boundary <br /> Ethylbenzene ND ND 0.2 Fenceline <br /> Total Xylenes ND ND 2.9 <br /> SB-13 1'b s. 5'b s. 40'b s. SB-15 1'b s. 5'b s. 47'b s. MTBE ND ND ND t9 Monitoring Well Location <br /> TPHc ND ND ND TPHc ND ND ND Acenaphthene ND ND 0.25 <br /> BTEX ND ND ND BTEX ND ND ND Benzo(a)anthracene <br /> ND ND ND TPHg ND ND ND Anthracene 0.0005 ND 0.37 Soil Boring Location(date) <br /> a anthracene 0.0007 ND 0.28 Approximate Location of Soil Boring <br /> MTBE ND ND ND MTBE ND ND ND Benzo a ppyrene 0.0005 ND 0.018 Advanced b Geomatrix 8/03 <br /> Benzo(a)anthracene ND ND 0.0008 Benzo a)ppyrene ND ND 0.0004 Benzo b fluoranthene 0.001 ND 0.049 y ( ) <br /> Benzo(a)ppyrene ND ND 0.001 Benzo�g,h,i)perylene ND ND 0.0003 Benzo(g,h,i)perylene 0.001 ND 0.006 Production Well(Location Estimated Based <br /> Benzo b fluoranthene ND 0.0003 0.0006 SB-14 1'b s. 5'b s. 41.5'b s. Phenanthrene ND ND 0.0006 Benzo(k)fluoranthene 0.0005 ND 0.02 on Figure 1 as Presented in ERM,1995a) <br /> Benzo(g,h,i)perylene ND ND 0.001 TPHc 120 ND ND All Other PAHs ND ND ND Chrysene 0.002 ND 0.35 <br /> Benzo(k)fluoranthene ND ND 0.0006 TPHg ND ND ND Dibenz(a,h)anthracene ND ND ND Approximate Location of Soil Boring Advanced by <br /> Chrysene ND 0.0004 0.001 BTEX ND ND ND <br /> Fluoranthene 0.001 ND 0.11 Geomatrix 5/20-21/02 Fluoranthene ND ND 0.0007 MTBE ND ND ND Fluorene ND ND 1.7Indeno(1,2,3-cd)pyrene 0.0005 ND ND CPT Location Advanced by Radian(2/27/97) <br /> Fluorene ND ND 0.0006 Anthracene 0.0005 ND ND Naphthalene 0.001 ND 1.6 <br /> Indeno(1,2,3-cd)pyrene ND ND 0.0005 Benzo a anthracene 0.0008 ND ND ♦ Approximate Location of Soil Boring Advanced by <br /> Benzo a pyrene 0.0006 ND ND Phenanthrene 0.002 ND 3.2 <br /> Phenanthrene ND 0.0005 0.002 f Private Residence Pyrene 0.002 ND 0.2 ERM-West,Inc.(5/9/95) <br /> Pyrene ND ND 0.001 Benzo b luoranthene 0.0005 ND ND Y <br /> All Other PAHs ND ND ND Benzo(g,h,i)perylene 0.002 ND ND All Other PAHs ND ND ND Approximate Location of Soil Boring Advanced by <br /> Indeno(1,2,3-cd)pyrene 0.0005 ND ND GTI(9/30/96) <br /> Phenanthrene 0.0004 ND 0.0005 <br /> All Other PAHs ND ND ND Approximate Location of Soil Boring Advanced by <br /> Radian(7/15/98) <br /> SB-15 Western Farm Service Monitoring Well <br /> Western Farm <br /> Service MW_5 Aproximate Location of Soil Boring Advanced by <br /> (office) Geomatrix(11/11/99) <br /> Former Gasoline <br /> WF= o SB-13 SB-14 Station Depth at Which <br /> Sample Was Taken <br /> Soil Boring Designation SB-17 V bgs. <br /> TPHc 17 <br /> Analyte TPHg ND <br /> State Highway 33 Benzene ND <br /> Concentration in <br /> GMX-12* SB-17 Milligrams Per Kilogram(mg/kg) <br /> BTEX Benzene,Toluene, Ethylbenzene,and Total Xylenes <br /> TPHc Total Petroleum Hydrocarbons Quantified as Crude Oil <br /> Undeveloped TPHg Total Petroleum Hydrocarbons Quantified as Gasoline <br /> - - - - - - - - - PAHs Polynuclear Aromatic Hydrocarbons <br /> CPT- RCPT-2 ND Not Detected at or above Laboratory Limit <br /> 9 MW-2 ®- SB-3 B-4 SMW_3 kNotes <br /> Q0 1.2005 Sample Locations are Shown in Blue Unless Otherwise <br /> Noted. <br /> 2.2005 Sample Locations with TPHc Concentration Higher than <br /> JHB-6 100 mg/kg are Shown in Red. <br /> Asphalt Parking SB-1 HB-3 <br /> GMX-1 B MW-1 Asphalt Parking <br /> Buldings <br /> HB-4 <br /> Percolation Unpaved <br /> Pond <br /> W1 )8( MW-446 <br /> 100,000 gal. <br /> water-AST Pump OGil <br /> Oil <br /> House <br /> Drainage Ditch <br /> SOIL CONCENTRATION MAP <br /> March 14 & 15, 2005 <br /> US Can - Welty Road <br /> �i 35275 Welty Road,Vernalis,California <br /> drawn 9 <br /> CTO checked approved Fi ure <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 /> Source:Basemap Modified From Geomatrix Monitoring Report 2003 (D An Employee-Owned Company <br />