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I <br /> i <br /> y <br /> CARDOZA LANE EXPLANATION <br /> - —— 0 Groundwater grab sample <br /> R 91Y O ® <br /> 541 SITE Former residential building <br /> � , <br /> Former Tire Shop <br /> Z �} Former fuel LUSTS <br /> ' <br /> �0 Commercial ( Residential Former waste oil LUST <br /> Buildings t rid ttelope <br /> d <br /> Commercial �TR-4 <br /> Buildings 1,400LY Former oil water separators,sumps <br /> TR-, or hoists <br /> ' p 2,000LY Residential uJ <br /> Storm O }� z e--------k Former fuel pump island <br /> 1 <br /> TR-7 Basin w <br /> ' .-j TR-22 6,440LY }} Q �— Chevron fuel pipeline <br /> O 17,000LY 9 z <br /> } x,10,0001 Isoconcentration contour(ug/L),dashed <br /> v (24r3o �_ where uncertain <br /> Tracy Express Wash&Lube _ -- _ _ _ <br /> � (Former car wash) � TR-27 m <br /> TR-Z5 a `; -% 63OLY TRIO <br /> R-11 General groundwater flow direction for years <br /> 340,000LY w� 1,300LY 12 O 0LY 1 ^ 1988(KE, 1988) and 2003(Secor,2003) <br /> TR-23 I? 0 41V \.N <br /> TR-12 (475) <br /> t 4,300LY TR-24*, TR-2 Tony's Auto Supply (385) <br /> 610Y 21000LY California <br /> Imperil Leasco LTD ( 6 7J ears (455) Highway <br /> TR-14 <br /> Jack in ® Former llta Patrol <br /> (Former i 7-t1 Store <br /> LP <br /> the Box CarIt <br /> �, (Farmer Shill) <br /> ®® r Wash) a. 0 <br /> (io1) Notes <br /> j �' TR-1 �Sheys <br /> rve <br /> ' (575) g _ 1,0?OHtYAll locations are approximate <br /> i (Former© c <br /> �3Chevrons - ,�� ; Groundwater grab samples collected between 23-25 <br /> Station) f <br /> TR-17 O TR-18 O TR-20 `R-21 September 2003 and the data is considered qualitative <br /> General groundwater flow directions 8,90oLY 29,000LY TR-19 / a50 100Y <br /> (FORMER JIMMY'S TIRE SHOP 640LY � All concentrations are in micrograms per liter(ug/L) <br /> Chevron pipehn WEST GRANT LINE ROAD <br /> H = Header hydrocarbons contributed to the quantitation <br /> L= Lighter hydrocarbons contributed to the quantitation <br /> Y= Sample exhibits chromatographic pattern which <br /> craxcxcra cv c:a € ) W (474 <br /> (574) <br /> Gr�57 ¢ rent American Smog Test Center does not resemble standard <br /> nt Line <br /> Unocal 76 Station ec ® <br /> (Former Scotties Station) u �, Market (Fortner Wheel Coun try) <br /> (2375) f > m ; 7 a) <br /> jocal 76 Station w Resident <br /> �_ <br /> ' {Former Mobi! tation) — i m Monet4Ls <br /> ' Used Cars <br /> 541 WEST GRANT LINE ROAD <br /> Tracy, California <br /> ' TPH-DIESEL IN <br /> a <br /> {. { SHALLOW GROUNDWATER <br /> ' 0 120 Feet <br /> I � Date 12/05/03 Project No 3577 01 Figure 10 <br /> I <br /> n <br /> Approximate scaleLO <br /> n _ <br />