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EXPLANAMN <br /> Groundwater monitoring well MW-6 <br /> A/B/C TPH(G) (Total Petroleum <50+/<0.50+/<0.50+ <br /> Hydrocarbons as Gasoline)/ <br /> Benzene/MTBE concentrations <br /> in ppb Former underground <br /> + by EPA Method 8260 G to ge tanks used oil <br /> NS Not Sampled a MW-1 <br /> ` Tank <br /> SPH Separate Phase Hydrocarbon <br /> 181+1<0.50+1<0.50+ U <br /> W MWA <br /> N VATM <50+/<0.50+/<0.50+ <br /> 1 <br /> ~ MW-91 1 <br /> HI SPH <br /> W <br /> L_ _j <br /> Z I r—- *MW-3 <br /> MW-2 '�� NS <br /> k<50+/<0.50+/0.73+ <br /> + NS <br /> MW-7 Present underground <br /> !� Storage tanks <br /> 1 W <br /> F SOUTH CENTER STREET <br /> j <br /> MW-8 <br /> NS [ _Z <br /> E z I7- <br /> NS 0) a 60 <br /> MW-5 a <br /> 3 <br /> Scale in Feet <br /> Source. Fun modified from drawsn 2tge:d RW a inw n contract firm. <br /> Ge t tler - Ryan Inc. CONCENTRATION MAP FIGURE <br /> Chevron Service Station #9-0557 <br /> 6747 Sorra Ct,, Sub J 139 South Center Street 2 <br /> zi Uft CA s (ems) 551-7MStockton, California <br /> PROJECT NUMBER REVIEWED BY DATE REVISED DATE <br /> 386843 December 4 20000 <br /> FiLE NAME: P:\Envim\Qwmn\9-0557\DDO-9-0557.DNG Layout Tab: Con4 <br />