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r <br /> i <br /> 1 <br /> I <br /> S <br /> VW-6 AC Paving <br /> O <br /> ,�. ncrete Block Cur <br /> Concrete Bloc Wall ` ll <br /> -1 <br /> r ♦ ! vw-9 1 <br /> / , 1 p <br /> 1 { 2vW- W <br /> 1 nder round l Dispenser z <br /> 9 � tslainds � I <br /> erste-Od Tank 1 ` VW-7 <br /> la� PM <br /> n/art 1 W EXPLANATION, <br /> udding 200 f I o W <br /> 2251 S Cherokee 100 1 Y MW---3 Q Monitoring Well <br /> � � s <br /> VW--11 Q Vapor Extraction Well <br /> 100 vW-5 O � <br /> t i LLJ (130) Concentration of total petroteurn <br /> c = hydrocarbons as gasoline (TPHG)in <br /> groudwater measures in aprts per billion <br /> Y U (ppb), samples collected on 9/27/94 <br /> 0 1 t <br /> co <br /> O <br /> oncrete = —100 -- TPHG in groundwater isoconcentrotion <br /> Paving f�JI line. Ppb <br /> U II <br /> c°� / ver-10 NI I Cn <br /> ®2 <br /> / l I ► / -2 <br /> AC <br /> l / 1 <br /> AC Paving Tank Cavity 1 (30) <br /> 1 � � <br /> 1 p <br /> too <br /> VW-3 <br /> 1 <br /> 1 j ,'3°0 <br /> I � / <br /> VW-1`� I I / <br /> Driveway <br /> f <br /> � <br /> Source. Figure Modified From Map LQ D I AV E N U E <br /> Provided By RESNA. f <br /> eros <br /> SCALE. 1" = 20 ARCO SERVICE STATION NO 760 FIGURE <br /> A1I 225 SOUTH CHEROKEE LANE +i <br /> EMcon 0 20 40 LODI,}CAU FORNIA <br /> I I I P I I I h PROJECT NO <br /> TPHG IN GROUNDWATER ISOCONYENTRATION MAP, SEPTEMBER 27 1994 OoW-142.01 <br /> I\ARco\'i60\FIGUREI D'W'G <br />