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i <br /> 1 <br /> EXPLANATION <br /> MW-4 Block wa11 <br /> @)(<50/<0 5/<5) _ Remediation O Monitoring well <br /> equipment <br /> D MW-3 I'f Vapor extraction well <br /> (71 6/<0 5/<5)� <br /> N Air sparge well <br /> I— VW <br /> _2 I l Sparge monitoring well <br /> {�D ,------------- Destroyed well <br /> I I ' <br /> r <br /> cn ; ; ► <br /> �MW-7 STATION ------ Vapor extraction/air <br /> <50 <0 5 <5 m r r <br /> (<50/<O <br /> / / ) o Dispenser BUILDING I sparge piping trench <br /> F I Islands i i <br /> Underground storage tank <br /> r i <br /> ` Conductor casing <br /> r � � r O <br /> i r , <br /> t jb:VW-7 <br /> r VW-10 ; VW-8 VW-11 (322/484/<5) Concentration of total petroleum <br /> _$Vw-6 I ' hydrocarbons as gasolFne (TPHG), <br /> p r MW-5 - T benzene, and MTBE in groundwater <br /> l� I (<50/132/515)@) r r F (ug/L), samples collected 9/1/98 <br /> `------------ 3 <br /> 0------ �!®r ~ < Not detected at or above the <br /> F I AS-2 I I AS-3 ( � MW-2 <br /> AS-1M*2 *ins,3 I I I I I l � ;� (322/484/<5) % Indicated laboratory detection limit <br /> 2^ —9/5 19/<5) I 1O I OO I J p <br /> ( <br /> MS-1 <br /> VW-1 <br /> VW---9 <br /> MW-6 <br /> U Sidewalk Driveway {205/0 684/<5) <br /> � � r <br /> Y <br /> E <br /> O <br /> O <br /> 00 <br /> O <br /> A 00 <br /> N A O <br /> in m i I <br /> X` Z <br /> O O co <br /> Z Z <br /> V V HAMMER LANE <br /> v <br /> u o � <br /> EEO <br /> # <br /> a 30 <br /> 60 <br /> 0 <br /> Xw <br /> x <br /> U <br /> SCALE IN FEET <br /> 0 MW-8 <br /> o N <br /> V � <br /> .moi J <br /> U <br /> `z Source Base modified from drawing <br /> „o= l provided by RESNA <br /> 3 <br /> MW-10 <br /> J Z AL (295/<05/<5)© MW-9 DATE NOV 1998 FIGURE 2 <br /> DWN MB ARCO PRODUCTS COMPANY <br /> LI so P APP SERVICE STATION 2130, 7906 N. ELDORADO <br /> ENVIRONMENTAL SOLUTIONS REV STOCKTON, CALIFORNIA <br /> A DIVISION OF EMCON PROJECT NO GROUNDWATER ANALYTICAL SUMMARY <br /> 20805-1140 os THIRD QUARTER 1998 <br /> N� <br />