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• 29-Se -04 <br /> HAMPTON STREET <br /> -Planter Planter <br /> F !i <br /> CPT-1 ® j <br /> Air/Water Dispenser - }� <br /> j <br /> MW-2 CPT-2 <br /> - -24.21 <br /> T (<0.50) is <br /> MW4 - (<0.50) i) <br /> -23.90 KL,! <br /> (57) 1y,2 ;y Cpl <br /> Canopy (<0.50) <br /> Dispenser t 4 <br /> Island(typ) <br /> Station <br /> Building �CPT-3 <br /> d <br /> o <br /> UST Vents <br /> Planter <br /> USTs _/ <br /> -23.70 <br /> (<0.50) <br /> CPT-4 <br /> MW-4 <br /> -23.75 EXPLANATION <br /> (<0.50) 1 <br /> ❑---- (0.75) 7 Groundwater monitoring well <br /> Planter - ® Proposed soil boring location <br /> Groundwater elevation contour in feet <br /> I R/ referenced to mean sea level. Arrows <br /> indicate approximate direction of <br /> groundwater flow. <br /> ADAMS STREET <br /> -26.59 Groundwater elevation in ft msl. <br /> -N- <br /> (<0.50) Benzene concentration in parts <br /> per billion(ppb) <br /> (<0.50) MTBE concentration in ppb <br /> <x Not detected at reporting limit x <br /> Approximate hydraulic gradient=0.004 FIGURE <br /> Scale(ft) ' _ w <br /> Note: Groundwater data collected on Apri128, 2004 1 <br /> 0 15 30 60 <br /> a <br /> Shell-branded Service Station ® Groundwater Contour/Chemical <br /> 2320 North El Dorado Street Concentration /Proposed Boring <br /> Stockton, California <br /> C A M B R I A Location Map <br />