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J +w-t 7 - <br /> (NS) <br /> W-IS <br /> (Ns) <br /> VAN BURN STREET <br /> If1 <br /> ( f (NS) <br /> (21,000)+ 43.000)+1\� W-9 / I ` +MW-10 <br /> VACANT LOT / \(60• `(9,400)+ <br /> h Yw-4 <br /> �� <br /> Block wall with i -40 <br /> fence 1 <br /> (49.000)+ I I <br /> Mw+t • -+�w-3 Dlspen •r <br /> (34.000 •9-3 U�{,•derground � �E_a+, islands -� <br /> (22,pO0)++ 6 ••B-1 r slbrag• �[,(I I <br /> OO MW-2 r , 1a ks I ' ' (24.000)+ <br /> • .LI 1 11 u I (a7.000 <br /> lJl 11 I WW <br /> 9_7 B-2 I.J <br /> VW—7 <br /> 7 VE-2 <br /> • ARCO 'Cc` I / /__ ! I (5.900)+ <br /> 9-1e• _ — STATION — -- -) - HO,000 -1 TTIO ; <br /> 00 — ww 4 s ()0.000 +(Mw-a/ t� r N BUILDING EXPLANATION <br /> (49.000)+ / 3 <br /> -3 (47,000)++ / / )� <br /> a, OO Monitoring well <br /> �y� 3 <br /> / (4.500)4 + Texaco monitoring wail <br /> // \\ T �pI Pa r Undo round + Vapor extraction well <br /> /Guard ral �i /lala7d3 <br /> stora f e <br /> / ,:.)mW-3(76.oao + -a� �r �9 )+ ton <br /> ksl • Solt boring <br /> uw-6 (Ns) <br /> '-7 (200)+ . Bw-14 (47.000) Concentration of total petroleum hydrocarbons as gasoline (TPHG) <br /> O In groundwater, measured In <br /> OrlvewaA(Typ.) �� L O 00 tr parrs per billion (ppb) <br /> \ \ OQ 'QO O, Isoconcentratlon of total petroleum <br /> O O N o o LINCOLN STREET / hydrocarbons as gasoline (TPHG); <br /> i' <br /> 0 <br /> \1 ' O O measured In parts per billion (ppb). <br /> (46.000)++ \ I Note: Contour Interval varies <br /> Mw-7 O <br /> J Mw-13 + Well sampled on 9/22/94 <br /> (NS) <br /> \ \ (92.000)♦+ a ++ Well sampled on 9/26/94 <br /> \ FISH \ \J (Ns) Well not sampled <br /> \MARKET TRANSMISSION CHEVRON <br /> a SHOP STATION <br /> .a <br /> ARCO PRODUCTS COMPANY FIGURE NO. <br /> ARCO SERVICE STATION NO. 2168 J <br /> 00E(n C o n SCALE: 0 50 100 FEET 441 WEST CHARTER WAY 1 <br /> STOCKTON CALIFORNIA PROJECT NO. <br /> I I 1 <br /> DISSOLVED TPHG ISOCONCENTRATION MAP (SEPTEMBER 1994) 805-146.02 <br />