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RSZ <br /> M <br /> N <br /> n <br /> � C ^iipN•IOa II :,I01 p'ifill,BB B ' <br /> �I — <br /> ol) Ili <br /> N 9ppGgigigigpGp <br /> 2 <br /> LL <br /> 5 a - <br /> w - <br /> a) - %-- <br /> w ♦ - <br /> L -• <br /> Il J — �•L <br /> O <br /> m j <br /> O — <br /> O <br /> O <br /> L <br /> O — - <br /> r <br /> � 7 <br /> H _ <br /> � ♦ 11'+ —r '1 i <br /> cu <br /> IL <br /> O ♦ — ♦ ' ~ — <br /> N <br /> U 1 <br /> W 4 <br /> O 1 ' <br /> a — _ L: ' 1 <br /> JL <br /> - • tip <br /> 0 - - N - <br /> q• - _ - _ — 0 feet 110 <br /> �' 2 �•� (approximate) <br /> r 3 . <br /> Legend <br /> Test trench location O Disturbed area in 1957 photo(see Figure 6) O Groundwater and Soil Vapor Sample Location <br /> TITLE: Soil Groundwater, and Soil Gas Sample Locations <br /> March 2009 2 O Benzene 160 /m3 p p Low Area (pg/m3) Benzene Concentration in Soil Vapor Sample <br /> U Approximate area of"Subsurface Asphaltic O Abandoned Agricultural well C Soil Boring Location LOCATION: 2295 and 2325 S MacArthur Drive <br /> 1 Material"2009 3 g <br /> ® Grab-groundwater boring location <br /> ® Agricultural irrigation well TPH ND TPH Concentration in Soil Tracy, California <br /> GMX-26 August 2009 O Location of Former Gasoline AST A Surface Soil Sample Location CHECKED: TC FIGURE: <br /> DRAFTED: <br /> --� Approximate area of former railroad spur GK <br /> `- (Early 1980s). Prior to 1960s Q Reported direction of shallow TETRA TECH Abandoned Percolation Test Casing FILE: Figure 8_rev052113 <br /> groundwater flow DATE: 05-21-13 <br />