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i <br /> EXPLANATION <br /> Block wall <br /> BMW-4 .. <br /> o (<50/<O.5) _ / Ramedlatlan <br /> i } s equipment w Ia0 Monitoring well <br /> m i <br /> MW-3� Vapor extraction well <br /> 5 -N- r YW-5 `3-1* Air sparge well <br /> Vw-2 <br /> a <br /> ------------ "5-3 Sparge monitoring well <br /> Q , <br /> Q m <br /> WW-9 <br /> Mw-7 3K Destroyed well <br /> o a ; STATION <br /> O <br /> <50/<0.5} �J i BUILDING <br /> n a Dispenser ---------- Vapor extraction/air <br />{ a Q x I Islanes sparge piping trench <br /> Underground storage tank <br /> 9 <br /> y yConductor casing <br /> V710 LVW-B <br /> mo $ (520/2t) Concentration of total <br /> (<213D-/1,9) petroleum hydrocarbons <br /> y s Yw-4 ' ®f 1 ®f ® as gasoline (TPHG) and <br /> AS IW_ _____ i 3 Mw-2 benzene in groundwater, <br /> I 0• measured in parts per <br /> MS-2 MS'3 I , (520/21) <br /> Mw-10• I I I I I billion (ppb); samples <br /> (220/1,5) I`�l®I ®I`J®i`/I collected on 11/26/96 <br /> MS-1 -- <br /> _____________J <br /> vw-r NS Not Sampled <br /> VW-9 <br /> Sidewalk The sample contained <br /> components eluting in the <br /> (<2(-,O•/<0.5) gasoline range, quantified <br /> as gasoline <br /> i <br /> I <br /> HAMMER LANE <br /> MW-8 <br /> MN!-10 Mw-9 Source. Base modified from drawing <br /> f c600•/l n.sl� araWded by RfS4fA. <br /> ARCO PRODUCTS COMPANY FIGURE N0. <br /> ARCO SERVICE 51ATION 40. 2130 <br /> 00E fn C O(i SCALE. 0 30 60 FEET 7906 N. ELDORADO STREET 2 <br /> ! r STOCKTON. CALlFo-N,e <br /> PROJECT NO. <br /> GENERALIZED SITE PUN 805-114.04 <br />