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10-Jan-00 <br /> K <br /> ..PrLANATION FREMONT STREET `I <br /> Groundwater Monitoring Well -----------_—__ __----___---_ <br /> -26.37 Groundwater elevation in feet -26'37 ' <br /> (2,300) Planter � <br /> (2,700) Benzene concentrations in ppb. ❑ ! <br /> 11 <br /> (2,300) MTBE concentrations in ppb. I <br /> Groundwater elevation contour ,',�. j <br /> -25.4 <br /> in feet referenced to mean sea '%' Existing <br /> level (MSL). Arrows indicate ,%.'� ,� �`� ' <br /> approximate groundwater flow USTs <br /> direction. <br /> ^ I <br /> Approximate hydraulic gradient=0.002 �'` <br /> Former USTs;��. L_ �CanoPY <br /> Lj L <br /> (typ) <br /> Waste Oil Tank- <br /> S-3 <br /> -26.5 <br /> Q <br /> -26.51 � <br />�I (<0.50) O�, tz <br /> (<2.50) <br /> Station Building and <br /> Lube Bays <br /> ------ ----------------------- <br /> -' y <br /> L— <br /> Dispenser Island j <br /> (h'P) H <br /> Cinder Block uaIl <br /> T - - * <br /> 26.6 <br /> S-2 I <br /> 26.62 j <br /> (<0.50) <br /> RINCONST (<2.50) <br /> Scale REST l <br /> FIGt1RE <br /> 2 <br /> 2494 Fremont Street <br /> 0 15 30 60 <br /> � 1 Inch=30 Feet <br /> Shell-branded Service Station © Groundwater Contour/Chemical <br /> j Stockton, California Concentration Map <br /> Incident No. 98996181 C A M B R I A <br /> November 22, 1999 <br />