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• 19-Ma -00 <br /> EXPLANATION <br /> Groundwater Monitoring Well <br /> Groundwater Recovery Well <br /> Soil Vapor Extraction Well <br /> e Groundwater elevation contour in feet <br /> referenced to mean sea level (MSL) <br /> Arrows indicate approximate direction of <br /> groundwater flow <br /> 7816 Groundwater elevation in feet above MSL <br /> NS =Not surveyed <br /> (<0.500) Benzene concentration in ppb <br /> (788) MTBE concentration in ppb <br /> <x=Not detected at detection limit x <br /> Approximate Location of CHANNEL STREET Approximate hydraulic gradient=0 01 <br /> Former Tank Excavation VEW-3 <br /> NS RW-1 <br /> Sidewalk VEW 2 MW-2 (<0 500) 7789 <br /> NS 7829 (<5 00) 8 0 (<0 500)*—, <br /> (<0 500), (<0 500) (<5 00) M -4 <br /> (126) . (9 43) l + 77 851 <br /> +MW-3 "N,� (<0.500) <br /> 1 78 25 (<5 00) <br /> (<a 500) \ w <br /> 78 8 Canopy (<5 00)t'.� 09 <br /> MW.51 conF <br /> 78 97 �'w-1 R -2 <br /> (<0 500) NSMW-1 7796 0 <br /> (2,050) (<0 S00) 78.16 (<0 S 0) <br /> (832) (<0.500) (<5 00) <br /> (788) 0 <br /> Former VEW-4 <br /> Building NS <br /> 00.500) r� <br /> (751) <br /> �orrner <br /> Former Waste Channel Bulkhead;: Dispenser <br /> 00 1 Tank (Below) Island <br /> Concrete Deck Parking Area <br /> —N— <br /> Scale FIGURE <br /> 0 15 30 60 <br /> Base map from Fugro map of 13-Dec-95 <br /> 1 Inch=30 Feet 21 <br /> C.M. Weber Enterprises Property Groundwater Contour/ <br /> 141 North EI Corado Street G Chemical Concentration Map <br /> Stockton, California <br /> Incident No 97130156 C A M B R I A March 29, 2000 <br />