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EXPLANATION <br /> Groundwater Monitoring Well <br /> Groundwater Recovery Well <br /> T Soil Vapor Extraction Well <br /> Groundwater elevation contour in feet <br /> -ft'/ referenced to mean sea level (MSL} <br /> Arrows indicate approximate direction of <br /> ground water flow <br /> 7833 Groundwater elevation in feet above MSL <br /> (ND) Benzene concentration in ppb <br /> (1,080) MTBE concentration in ppb <br /> ND=Not Detected <br /> ¢X =Not detected at detection limit X <br /> Notes Monitoring and sampling performed on 26-Jul-99 <br /> Approximate Location of CHANNEL STREET <br /> Former Tank Excavation Approximate hydraulic gradient= 0 008 <br /> Sidewalk — VEW-3 <br /> MW-2 RW-1-- -- — <br /> (ND)VEW ( 7826 <br /> (ND) 78.52 (22 77 77) (ND) � <br /> (106) (ND) (ND) 1 Ml -4 <br /> *4 25) � � 78 08 <br /> -*MW-3 (ND) <br /> 7849 (ND) <br /> (ND) i �W <br /> MW-5 (24 9)7911 <br /> I <br /> } VEW`t-'1 Canopy RW-2 <br /> 1090) �c -,(ND) MW-1 611' 7801 O <br /> °an (116) (78 33) ^ (ND) A <br /> (ND) (36 2) <br /> (1,080) o O <br /> � E ❑ N <br /> Building (ND) <br /> VEW- <br /> (365) W <br /> Former Waste Channel Bulkhead <br /> Oil Tank (Below) <br /> Concrete Deck Parking Area <br /> Scale <br /> 0 15 30 60 Feet <br /> Sase map from Fugro map of 12 13-95 <br /> 1 Inch=30 Feet <br /> PLATE GROUNDWATER CONTOUR/CHEMICAL CONCENTRATION MAP CAMBRIA <br /> 2 C M Weber Enterprises Property <br /> 141 North El Dorado Street 241-0821 <br /> Stockton, California <br /> Drawn By SL Date 9-Sep-99 Approved By Date ''9 f <br />