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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 DIPE ETBE TAME TBA 1,2-DCA LEAD TANKII 09/04/96 TK1 N@13M45 72 08 59 1 5 85 ND<0025 NA NA NA NA NA NA TK1-N@15850 ND<2 5 22 22 110 ND<0 1 NA NA NA NA NA NA TK1-S@151,200 ND<25 42 26 140 ND<025 NA NA NA NA NA NA PIPING RUN 09104/96 P1(d4 51,600 ND<1 63 95 1 78 02 NA NA NA NA NA NA P2@4 4 ND<1 ND<0 005 ND<0 405 ND<0 005 ND<0 005 ND<0 005 NA NA NA NA NA NA DISPENSER 09/04/96 DISPENSER 25 ND<1 ND<0 G05 ND<0 005 ND<0 005 ND<0 005 ND<0 005 NA NA NA NA NA NA B-1 02/03/01 B1-5 5 ND<1 ND<0 005 ND<0 005 ND<0 005 ND<0 005 ND<G 005 ND<o 005 ND<0 005 ND<0 005 ND<0 005 NA NA 81-10 10 ND<1 ND<0 005 ND<G 005 ND<o 005 N0<0 005 ND<0 005 ND<0 005 ND<0 0G5 ND<0 005 ND<0 005 NA NA B1-15 15 ND<1 ND<0 G05 ND<0 005 ND<0 005 ND<0 005 ND<D 005 ND<0 005 ND<0 005 ND<o 005 ND<0 005 NA NA B1-20 20 ND<1 ND<0 005 ND<0 005 ND<0 005 ND<0 005 ND<0 005 ND<0 005 ND<0 005 ND<0 005 ND<0 005 NA NA B-2 02/03/01 82-15 15 400 03 69 11 43 0 065 ND<0 05 ND<0 05 ND<0 05 ND<0 5 NA 96 B2-20 20 20 0 021 0 082 0 038 022 ND<0 005 ND<D 005 ND<0 005 ND<0 005 ND<D 005 NA NA B-3 02103101 B3 15 15 5 8 ND<0 005 ND<0 005 ND<0 005 ND<0 005 ND<0 005 ND<0 005 ND<0 005 ND<0 005 ND<0 02 NA NA B3-20 20 11 0 019 ND<0 005 0 046 0 052 ND<0 005 ND<0 005 ND<0 005 ND<0 005 ND<0 05 NA NA MW-1 07/13102 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<0 005 ND<0 005 0 026 0 012 ND<0 005 N0<0 005 ND<0 005 ND<0 005 NQ<0 005 ND<0 005 NA MW1-25 25 ND<1 ND<0 005 ND<0 005 ND<0 605 ND<0 005 ND<0 005 ND<0 005 ND<0 005 ND<0 005 ND<0 005 ND<0 005 NA MW-2 07113/02 MW2 15 15 ND<1 ND<0 005 ND<0 005 ND<0 005 ND<0 005 ND<0 005 ND<D 005 ND<0 005 ND<0 005 ND<0 005 ND<0 005 NA i MW2-20 20 ND<1 ND<0 005 ND<0 005 ND<0 005 ND<0 005 ND<0 005 ND<0 005 ND<0 005 ND<0 005 ND<0 005 ND<0 005 NA MW2-25 25 ND<1 ND<0 005 N0<0 005 ND<0 005 ND<0 005 ND<0 005 ND<0 005 ND<0 005 ND<0 005 ND<0 005 NQ<0 005 NA MW-3 07/13/02 MW3-25 25 N0<1 ND<0 005 ND<0 005 ND<0 G05 ND<0 005 ND<0 005 N0<0 005 ND<0 005 ND<0 005 ND<0 005 ND<0 005 NA MW3-30 30 ND<1 ND<0 005 ND<0 005 ND<0 005 ND<0 005 ND<0 005 ND<0 005 ND<0 005 ND<0 005 ND<0 005ND<0 005 NA ` MW3-35 35 ND<1 ND<0 005 ND<o 005 ND<0 005 ND<0 005 -0 005 ND<0 005 ND<0 005 ND<0 005 N4<0 005 ND<0 005 NA NOTES All results are reported in milligrams per kilogram(mg/kg) 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(TAH-G),benzene toluene ethylbenzene xylenes(BTEX)analyzed by EPA Method 802018016M or 82606 Oxygenates methyl tertiary butyl ether(MTBE) di-isopropyl ether(DIPE) ethyl-t-butyl ether(ETRE) terl-amyl methyl ether(TAME)and tert-butanol(TBA)analyzed by EPA Method 8260B 12 dichloroethane(1,2-DCA)analyzed by EPA method 8260B Total Lead analyzed by EPA Method 6010 134<1=Not Detected at reporting limit of 1 ppm I NA =Not analyzed for indicated parameter