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i <br /> PONCE DE LEON AVENUE EXK ANAT]ON <br /> _ Groundwater monitoring well <br /> Driveway AIB/C TPH(G) (Total Petroleum <br /> Hydrocarbons as Gasoline)/ <br /> Benzene/MTBE concentrations <br /> in ppb <br /> AC Paving + MTBE by EPA Method 8260 <br /> (F n1 <br /> MW-1 <br /> 68/0.94/<2.0+ <br /> O o <br /> a <br /> 0 <br /> oe <br /> z <br /> lu Station <br /> Dispenser I Building <br /> Islands <br /> a I 1 <br /> i <br /> MW-2 LAll <br /> — — —� <br /> p 3,70014801<2.,O+ -- <br /> Underground j <br /> 0 1 IStoragel 1 420 <br /> € Tanks i 36// <br /> i 7.9+ <br /> I_ JL_ j L—-j MW-3 0 I 30 <br /> Source: Figure modified from drowino orovided bv Morrow Survevino Scale in Feet <br /> CONCENTRATION MAP nrURE <br /> 91 GE T T t ER - RYAN INC. Chevron Service Station #9-3232 <br /> 6747 Sierra Ct., Suite J 8660 Lower Sacramento Road <br /> Dublin, CA 94568 (925) 551-7555 Stockton, California 2 <br /> PROJECT NUMBER REVIEWED BY DATE REVISED DATE <br /> 386463 July-- 18 2001 <br /> FILE WE: P: ENVERQ CHEVRON 9-3232 QO1-9-3232.OWC I Layout Tab: Con3 <br />