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Table 5 Analytical Data Stockpiled Soil Former ARCO Service Station#4493 205 North Center Street Stockton,California TPH as STLC TCLP Sample Date Gasoline Benzene Toluene Ethylbenzene Xylenes MEBE Total Lead Total Lead Lead Oil and Greese Name Sampled (mglkg) (mglkg) (mg/kg) (mglkg) (mg/kg) (mg/kg) (mg/kg) (mgll) (mgll) (mg/kg) SP-1A 2/25/1999 179 0.327 0.491 3.15 13.8 0.708 733 2.42 - - STP-3" 4/13/1999 216 <0.100 <0.100 0.856 0.877 <1.00 75.6 2.67 -- SP-2d 2/25/1999 203 0.353 0.603 3.53 16.2 <1.0 45.6 21.6 ND -- STP-4" 4/13/1999 38.5 0.0692 0.0712 0.293 1.43 <0.250 50.7 2.42 - - STP-5" -512511999 10.2 0:0205 0.0247 0.113 0.54 ND 55.1 15.8 ND -- STP-6" 5/25/1999 12.9 0.0121 0.00810 0.0892 0.360 0.0510 49.8 -- - -- STP-7n 5/25/1999 7.87 0.00682 0.00582 0.0476 0.237 ND 25.5 - - STP-8" 5/25/1999 8.58 0.0155 0.0141 0.0762 0.391 ND 41.7 - -- STP-1 3/10/1999 229 0.144 <0.100 3.45 2.50 <1.0 11.7 - -- STP-2 4/13/1999 7.06 <0.005 0.0118 0.152 0.191 <0.05 <10.0 - -- -- WO-1 4/13/1999 <1.0 <0.00510.112° <0.00510.201" <0.00510.100" <0.00510.143" <0,05 29,8" - - 1861 TPH=Total petroleum hydrocarbons mglkg=milligrams per kilograms ND=Not detected A=SP-1 and SP-2 were four point composite samples collected from approximately 200 yards of soil genterated during the UST removal. The stockpile was split into 100 yard piles and resampled.STP-3 correlates with sample SP-1. B=SP-1 and SP-2 were four point composite samples collected from approximately 200 yards of soil genterated during the UST removal. The stockpile was split into 100 yard piles and resampled.STP-4 correlates with sample SP-2.Stockpile STP-4 was split into four stockpiles of 25 yards. The four stockpiles were sampled and named STP-5,STP-6,STP-7,and STP-8. C=Method 8020/8420 D=Samples were analyzed for CAM 17 Metals.See analytical reports for results. E=Sample analyzed by EPA Method 8270.See analytical reports for results. 7G600-022-01/PULL soil table 1011612006