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February 2005 Excavation <br /> Confirmation Samples [nd] South <br /> h <br /> Mw105 Mw4/• I <br /> Mw5 Mw4B EB4 B11 B7 <br /> ...... .....-..................... F.il.I .................I............. Silty Clay Silty Clay <br /> 5 ................. ................ ------- <br /> Silty Clay ........ .... Med. Sand <br /> 10 zz [nd] 1 .........4.. ..5_'... 2*"V --4 ................. nd V <br /> T Med. Sand <br /> Med. Sand:Cla�, <br /> F7rn <br /> 15 ndi Silty Clay nd <br /> 20 1" Silty Clay <br /> nd K ndSilty <br /> (nd) (nd) — ------------------ <br /> Silty Clay ---------- <br /> -- <br /> 25 <br /> 30 nd Med. Sand <br /> 35slay Cla 0 20 40 60 <br /> Med. Sand feet <br /> 10 40 nd <br /> (nd) Gasoline Concentrations <br /> Soil mg/kg <br /> 45 Water (n-g/1) 4/13/06 <br /> Pre Excavation Contamintation Contours ------ <br /> 50 Post Excavation Contarnintation Contours <br /> Figure26 Pombo Ranch <br /> North to South Gasoline Cross Section <br />