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EXPLANATION <br /> Block wail Mw-10, <br /> ©�-4 O Monitoring well <br /> (<50/<0.5) Remediation <br /> �,�- equipment 'w-'O+ Vapor extraction well <br /> MW--3 e <br /> (<50/<0.5p i '''S-1j. Air sparge well <br /> -N - �y_2 VW-5 Ms--a Sparge monitoring well <br /> --------- WW-9 <br /> ' Destroyed well <br /> I 1 1 <br /> BMW-7 'STATION i ----------- Vapor extraction/air <br /> 06 <br /> (<50/<0.5) BUILDING sparge piping trench <br /> Dispenser <br /> xIslands t <br /> Underground storage tank <br /> 0 1 1 <br /> F ° Conductor casing <br /> .GVW-7 <br /> ~`1 V -10 VW-8 Vw-11 (920/150) Concentration of total <br /> +!!-6 petroleum hydrocarbons <br /> (<300=/33) 1---- T----; as gasoline (TPHG) and <br /> E�'1 pMW-5 1 benzene in groundwater, <br /> �----------- VW 3 f 1°tom �l } measured in parts per <br /> --` - 7 i <br /> AS— -2 <br /> ! billion (ppb); samples <br /> I—Si3 1 1 t 1 920/150) collected on 9/18/96M2MI SOI i°lMW-1O <br /> (200/1.6) \ � - - <br /> -12MS-1 NS Not sampled <br /> VW-9 <br /> VW-1� <br /> ' The sample contained <br /> Sidewalk Driveway Mw_e0 components eluting in the <br /> (<200•/<O.5) gasoline range, quantifiedas gasoline <br /> +I <br /> y �s MRL elevated because of <br /> matrix interference <br /> HAMMER LANE <br /> MW-8 <br /> WW-10@ X MW-9 Source: Base modNied from drawing <br /> (510/<15**) provided by RESNA. <br /> !. ARCO PRODUCTS COMPANY FIGURE NO. <br /> l ARCO SERVICE STAT16H NO. 2130 <br /> E m c o n SCALE: 0 30 60 FEET 7906 N_ EL DORADO STREET <br /> STOCKTON, CALI ORNIA <br /> PROJECT N4 <br /> GENERALIZED SIT PLAN 805-114.04 <br />