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PORTER AVENUE <br /> c►r - <br /> MW_ <br /> �° MW-2 5956 <br /> Former UST 59 67 (ND) <br /> Location (ND) <br /> �_1 59 50 <br /> in / .. <br /> Existing UST <br /> Location <br /> VEW- VEW- i 59aD <br /> MW-5 <br /> DRY N 5872 ' <br /> � <br /> � W <br /> D N <br /> 300) f D SPENS R 58�0 Z <br /> r 11! ISLAND W <br /> > <br /> U <br /> MW-4 <br /> $�W- 58 05 Q 0 50 <br /> (11)67 (1900) mop a" <br /> Scale in Feet <br /> Parking Area <br /> MW-6 <br /> 5888 <br /> (1800), <br /> EXPLANATION <br /> 1 - Ground Water Monitoring Well <br /> BUILDING Vapor Extraction Well <br /> Ground water elevation contour <br /> in feet referenced to Site Datum <br /> Arrows Indicate approximate flow <br /> direction <br /> 5967 Ground water elevation in feet <br /> a MW-7 (11) Benzene concentration in ppb <br /> 5769 ND=Not Detected <br /> (280) NM Not monitored <br /> Notes Monitoring performed on 9-Oct-97 <br /> Base map from Fugro map of 1-10-94 Approximate hydraulic gradient=0 009-0 01 <br /> PLATE CAMBRIA <br /> SITE PLAN/GROUND WATER CONTOUR/CHEMICAL ANALYTICAL MAY <br /> 2 Shell Service Station <br /> 6131 Pacific Avenue 97374 <br /> Stockton, California <br /> Drawn By JG Date 29-Oct-97 Approved By 4,A- Date R-iq 51 <br />