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1 t <br /> i <br /> EXPLANATION <br /> CtMW-4 Block wall ww-100 Monitoring well <br /> (<50/<0.5) Rerinediation <br /> �- equipment vw-10+ Vapor extraction well <br /> MW-3 <br /> (<50/<0.5?(<50/<0.5p , AS-1 Air sparge well <br /> N - <br /> VW-2 r VW-5 i I MS-3* Sparge monitoring well <br /> r <br /> 1 1 <br /> ——a <br /> Q — Mw-la 3s� Destroyed well <br /> 1 1 1 <br /> Q + --------- <br /> STATION - Vapor extraction/air <br /> MW-7 et BUILDING i sparge piping trench <br /> (<50/<0.5) e t Dispenser2. <br /> 4 Islandsi ; l Underground storage tank <br /> I � � <br /> iI ; o Conductor casing <br /> 1 ILj , <br /> 1 _ i I -7 <br /> 10 VW-8 VW-11 $;+W-7 {510/31} Concentration of total <br /> VW-6 ; petroleum hydrocarbons <br /> (1400/15) ----- -r�f--_ as gasoline (TPHG) and <br /> 0MW-5 + + , benzene in groundwater, <br /> 'moi I <br /> VW-4 vW 3'+r 1Ar ~ �1' measured in parts per <br /> L--_______-__ r <br /> '---- '� I IAS-2 I I AS-3 I BMW-2 billion (ppb); samples <br /> AS-f � 2 *'M3 I 1 I I i 1 I I (510/31) collected on 5/30/96 <br /> MW-10 Sr, 1 <br /> 101 )01 AI I' <br /> (1800/1.2) MS-1 \� \�_-= \1. -0 - VW-12 NS Not sampled <br /> l VV <br /> VW-9 <br /> � The sample contained <br /> Sldewaik DrhrewaY MW-6components eluting in the <br /> (I 40-/<0.5) gasoline range, quantified <br /> as gasoline <br /> I <br /> HAMMER LANE <br /> (NS) <br /> �. MW-8 <br /> (350�%C6)� 3$(1,{W-9 Source:Source: aseprovider! by RESM4. drawing <br /> ARCO PRODUbTS COMPANY FIGURE NO. <br /> ARCO SERVICE STATION NO. 2130 <br /> E m c o n SCALE: 0 30 60 FEET 7906 N. EL OORADO STREET <br /> i 1 STOCKTON, CALIFORNIA <br /> PROJECT N0. <br /> ! GENERALIZE SITE PLAN 805-114.04 <br /> I � <br />