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Table 5 Analytical Data Stockpiled Soil Former ARCO Service Station#4493 205 North Center Street Stockton California TPHas STLC TCLP Sample Date Gasoline Benzene Toluene Ethylbenzene Xylenes MTBE Total Lead Total Lead Lead Oil and Greese Name Sampled (mg/kg) (mg/kg) (mglkg) (mg/kg) (mg/kg) (mg/kg) (mglkg) (mg/1) (mg/1) (mg/kg) SP-1" 2/25/1999 179 0 327 0 491 315 138 0 708 733 242 — STP-3" 4/13/1999 216 <0 100 <0 100 0 856 0 877 <1 00 75 6 267 — SP-2" 2/25/1999 203 0 353 0 603 353 162 <1 0 456 21 6 ND STP-4" 4/13/1999 385 00692 00712 0 293 143 <0 250 507 242 - — STP-50 5/2511999 102 00205 00247 0 113 054 ND 551 158 ND — STP-6" 5/25/1999 129 00121 000810 00892 0 360 00510 498 -- - STP-70 5/2511999 7 87 000682 000582 00476 0 237 ND 255 - — — STP-6d 5/2511999 8 58 00155 00141 00762 0 391 ND 41 7 -- — — STP-1 3/10/1999 229 0 144 <0 100 345 250 <1 0 11 7 — - — STP-2 4/13/1999 706 <0 005 00118 0 152 0 191 <0 05 <10 0 — — WO-1 4/13/1999 <1 0 <0005/0112' <0005/0201`" <0005/0100" <0005/0143" <0 05 29 8" TPH=Total petroleum hydrocarbons mg/kg=milligrams per kilograms ND=Not detected A=SPA and SP-2 were four point composite samples collected from approximately 200 yards of sod genterated during the UST removal The stockpile was split into 100 yard piles and resampled STP-3 correlates with sample SPA B=SPA 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 611512006