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LEGEND <br /> ` SB-8 2125/2004 '�' Bodng Locations Where Petroleum Hydrocarbons Were <br /> TPHg NA Not Observed in Soil and/or TPHc was less than 100 mglkg. <br /> TPHddsg 1No <br /> 2 ♦' Boring Locations Where Petroleum Hydrocarbons Were <br /> 8TEX ND Observed In Soil and/or TPHc was greater than 100 mglkg. <br /> $B•1 11/512003 <br /> .4 Ali PAHs ND - NA SB- SAIC(February,2004&November,2005) <br /> TPH�sg 196 GMX- Geomatrix(October,2000),(May,2000),(June,1999) <br /> E. <br /> SO-7 2/25/2004 SB-8 Err NA <br /> SB-10 225/2004 TP NA - Phonanlhrane 0.4 EB- Earth Systems(June 1999) <br /> TPHn NA .TpH' 170 Ail Other PAHs ND-' <br /> TPH'. 220 TPHdsg ND ' - - ---- Property Boundary <br /> /TPHdsg ND 8TEX NO <br /> BTEX ND MTBE NA <br /> MTBE NA A11.PAHs ND T SB-9 225!2004 ILGG.-1 Presumed Pipeline Right Of Way <br /> 1 <br /> All PAHs ND \ j TPH�1 NA P 9 <br /> SB-3` 11/5/2003 / - \ - - TpHd. ND TPHd Groundwater IsocontourMeasured in Milligrams <br /> TPHgq NA SB-7' ! BTEXsg ND �300'� per Kilogram(mglkg) 9 <br /> SB-10 •TPHtls 190 <br /> 140 Q \ 1 MTBE NA <br /> 4y BTFXO ND �5 ! I Ail PAHe ND Grab'Grounwater Designation <br /> ast 91 MTBE NA _ - - I\ SS-9 2125120044--Date <br /> oe/ AIt PAHs ND <br /> Uq/o Mgar/on Gls��ciFoso TBH 17/52NA3i �O SB•9 AND <br /> Concentration in <br /> n Pec/nc Mont 10/ 1 TPH 88 , - - Micrograms Per Liter(ug/L) <br /> S8-3 TPHdsg 140BITE <br /> �p EX No _ <br /> �aaCom�nY .- 25 <br /> A I PAHs ND ./ SB-1 <br /> i TPHg Total Petroleum Hydrocarbons Quantified as Gasoline <br /> TpHd Total Petroleum Hydrocarbons Quantified as Diesel <br /> \�• SBd' -`- _ -- --! TPHdsg Total Petroleum Hydrocarbons Quantified as Diesel <br /> with Silica Gel Cleanup <br /> SB-4 11/5/2003 - s.I' <br /> SB <br /> -2 11/512003 BTEX Benzene,Toluene,Elhylbenzene,and Total Xylenes <br /> TPHq NA r' I TPF{uu NA- MTBE Meth TertiaryButyl Ether <br /> no-lb TPHds9 Na SB-2 i TPHd 170. tY <br /> BTEX ND SB-5 TPHdsg 190 PAHs Polynuclear Aromatic Hydrocarbons <br /> GMX•25 5/18/2000 \ MX• MTOE NA - BTEX ND NO Not Detected at or above Laboratory Limit <br /> TPHg XGMX-8`�y 7 Alt PAHs ND 'GMX-31 All PAHs ND. <br /> g 86 I \T '�` - '' i Notes <br /> TPHdsg ND \I \ APAH� D <br /> BTEX ND - GMx•30 /, I 1.Sample Locations with TpHd Concentration Higher than <br /> Ail PAH ND i I'� <br /> EB-7 \\ \ GMX•3 GMX=26 i 100 Ug/L are Shown in Red. <br /> + GMX —4 - <br /> 'C,ry1X- I \ \ \ I GMX-33 <br /> Approximate Location of�/ I \1 \ \ <br /> Proposed Percclatlon/Retemon Pond , I SB-6 11/5/2003 <br /> GMX-17 l ( I G X-3 '- •�\ SB-6 TPHg - NA <br /> 10 <br /> (_— ———�\ I I ♦ GMX•f3 - TPHdfs9 210 <br /> BTEX ND <br /> \ / I EB-9 GMX-29 �G. NT PAHs ND -N- <br /> Approximate Area of Excavated-A GMX-15� <br /> Petroleum Aflecletl Soil I \ - <br /> I —— GMX- GMX-2 + SB•11 <br /> PomDO Property + GMX-1 <br /> \ o 50 100 <br /> GMX-31 10/t2/20o0 GMX-fi 9/22/1994. GMX-29 10/12/2000 GMX-30 10/72/2000 L7� <br /> gg TPHg NA TPHgg 140 TPHg ND S8.11 225/2004 APPROXIMATE SCALE IN FEET <br /> TPHUs ND TpHd NA TPH' 660 TpHd 300 TPHgq. INA <br /> 9 TPHds NA TpHd'TPHdsg 0.6 TPHdsg NDBenzene 0.8TPHdsgTo ylbenzene 2•G West 11th Street Elhylbenzene 0.8 MTBE Toluenet6 Toluene NDHYDROCARBON DISTRIBUTION IN <br /> Total Xylenes 4 Totat Xylenes 71 All PAHs <br /> AA PAHs ND All Qiher PAHs ND MTBE NA MTBE NA GROUNDWATER <br /> Fluoranthene 0A Ail PAHs ND <br /> �I Phonanthreno 0.1 <br /> j} <br /> Lin Other PAHS ND Pombo Property <br /> +GMX•27 1755 West 11th Street,Tracy,California <br /> rawn checked approve Figure <br /> ee 8/3/05. dale S ae <br /> 'j-oB no.06-6102-00-6299-101 Inie no. <br /> Science Applications <br /> International Corporation <br /> 1I.S.—Modl0c4 ham Report of A4dltlawl Soil and Groun4weler lnvee00c0an,GeomalriM Comuilanb,Inc,Docember 2000 t An Employee-Owned Company <br />