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i • TABLE 1 CUMULATIVE ANALYTICAL RESULTS -SOIL San Joaquin County Courthouse, 222 E Weber Avenue,Stockton, California OXYGENATES SAMPLE DATE SAMPLE SAMPLE ETHYL- TOTAL LOCATION SAMPLED ID DEPTH TPH-G BENZENE TOLUENE BENZENE XYLENES MTBE DIVE ETRE TAME TBA 1,2-DCA LEAD TANK 1 09104/96 TK1-N@13 13 11 72 08 69 16 as ND<O 025 NA NA NA NA NA NA TK1-N@15 15 850 ND<2 5 22 22 110 ND<O 1 NA NA NA NA NA NA TK1-S@15 15 1,200 ND<2 5 42 26 140 ND<O 25 NA NA NA NA NA NA PIPING RUN 09/04/96 P1A4 5 45 1,600 ND<1 53 95 78 0 2 NA NA NA NA NA NA P2@4 4 ND<1 ND<0 005 ND<0 005 ND<O 005 ND<0 005 ND<O 005 NA NA NA NA NA NA DISPENSER 09/04/96 DISPENSER 2 5 ND<1 ND<O 005 ND<O 005 ND<O 005 ND<0 005 ND<O 005 NA NA NA NA NA NA 8-1 02/03/01 B1-5 5 ND<1 ND<O 005 ND<O 005 ND<0 005 ND<O 005 ND<O 005 ND<O 005 ND<D 005 ND<O 005 ND<O 005 NA NA B1-10 10 ND<1 ND<O 005 ND<o 005 N0<0 005 ND<O 005 ND<O 005 ND<O 005 ND<D 005 ND<0 005 ND<O 005 NA NA B1-15 15 ND<1 ND<O 005 ND<0 005 ND<O 005 ND<O 005 ND<O 005 ND<0 005 ND<O 005 ND<O 005 NDeO 005 NA NA B1-20 20 ND<1 ND<O 005 ND<O 005 ND<O 005 ND<Q 005 ND<O 005 ND<O 005 ND<O 005 ND<o 005 ND<0 005 11 NA NA B-2 02/03101 62-15 15 400 03 59 11 43 0 065 ND<0 05 ND<O 05 ND<O 05 ND<O 5 NA 95 B2-20 20 20 0 021 0 582 0 038 0 22 ND<0 0D5 ND<O 005 ND<O 005 ND-0 005 ND<O 005,1 NA NA B-3 02!03/01 63-15 15 5 S ND<O 005 ND<O 005 ND<O 005 ND<0 005 Nb<0 005 ND<O 005 ND<O 005 ND 005 ND<O 02 NA NA 63-20 20 11 0 019 ND<O 005 0 046 0 052 ND-0 005 ND<O 005 ND-0 005 ND<O 005 ND<0 05 NA NA MW-1 07/13/02 MW 1-15 15 1,800 22 43 31 150 ND<2 5 ND<2 5 ND<2 5 ND<2 5 ND<2 5 ND<2 5 NA MW1-20 20 ND<1 ND<O 005 ND<O 005 0 026 0 012 ND<0 005 ND<O 005 ND<0 005 ND<O 005 N0<0 005 ND<0 005 NA MW1-25 25 NDO ND<0 005 ND<0 005 ND<0 005 ND<0 ODS ND<O 005 ND<O 005 N1<0 005 ND<0 005 ND<0 005 Nb<0 005 NA MW-2 07/13/02 MW2-15 15 ND<1 ND<O 005 ND<O 005 ND<D 005 ND<0 005 ND<O 005 ND<O 005 N0<0 005 ND<O 005 ND<O 005 ND<O 005 NA MW2-20 20 ND MW2-25 25 N0<1 ND<O 005 ND<O 005 ND<O 005 ND<0 005 ND<O 005 ND<O 005 ND<O 005 ND<O 005 ND<0 005 ND<O 005 NA MW-3 07113/02 MW3-25 25 ND<1 ND<O 005 ND<O 005 ND<O 005 ND<O 005 ND<0 005 ND<O 005 140<0 005 ND<O 005 ND<O 005 ND<O 005 NA MW3-30 30 ND<1 ND<O 005 ND<0 005 ND<O 005 ND<0 005 ND<O 005 ND<O 005 ND<O 005 ND<O 005 ND<0 005 ND<O 005 NA MW3-35 35 ND<1 ND<O 005 ND<O 005 ND<0 005 ND<O 005 N0<0 005 ND<O 005 ND<O 005 ND<0 005 ND<O 005 ND<O 005 NA NOTES All results are reported in milligrams per kilogram(mgfkg),which translates to parts per million(ppm) Sample depths in feet below ground surface,MW-3 is only location at street grade,all other locations are sub-street grade Total Petroleum Hydrocarbons as Gasoline(fPH-G),benzene,toluene,ethylbenzene,xylenes(BTEX)analyzed by EPA Method 8020/8015M or 82608 Oxygenates methyl tertiary bury!ether(MTBE),di-isopropyl ether(DIPE) ethyl-t-butyl ether(ETRE) tert-amyl methyl ether(TAME)and tert-butanol(TBA)analyzed by EPA Method 82606 1,2-dichloroethane(1,2-DCA)analyzed by EPA method 8260B Total Lead analyzed by EPA Method 6010 ND<1=Not Detected at reporting limit of 1 ppm { NA =Not analyzed for indicated parameter