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r� �r r� it rr rr� r. r� r �r rr err �iir rr tr 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 DIPS ETBE I TAME TBA 1,2-DCA LEAD TANK 1 09/04/96 TK1-N@13 13 72 08 59 15 85 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 P1@45 45 1,600 ND<1 53 95 78 02 NA NA NA NA NA NA P2@4 4 ND<1 ND<0 005 ND<O 005 ND<O 005 ND<O 005 ND<O 005 NA NA NA NA NA NA DISPENSER 09/04/96 DISPENSER 25 ND<1 ND<0 005 ND<0 005 ND<O 005 'j D<0 005 ND<O 005 NA NA NA NA NA NA B-7 02/03/01 Bt-5 5 ND<1 ND<O 005 ND<0 005 ND<O 005 ND<O 005 ND<0 005 ND<O 005 ND<O 005 ND<O 005 N0<0 005 NA NA B1-10 10 ND<1 ND<O 005 ND<O 005 ND<O 005 ND<O 005 ND<O 005 ND<O 005 ND<O 005 ND<O 005 ND<o 005 NA NA B1-15 15 ND<1 ND<O 005 ND<O 005 ND<O 005 ND<O 005 ND<O 005 ND<O 005 ND<O 005 ND<O 005 ND<O 005 NA NA 81-20 20 ND<1 ND<O 005 ND<0 005 ND<O 005 ND<0 005 ND<O 005 1 ND<O 005 ND<D 005 ND<O 005 ND<O 005 NA NA B-2 02/03/01 132-15 15 400 03 69 11 43 ]EO 085 ND<O 05 ND<O 05 ND<O 05 ND<o 5 NA 9 5 62'20 20 2 0 0 021 0 082 0 038 O 22 ND<0 005 ND<O 005 ND<0 005 ND<O 005 ND<0 045 NA NA B.3 02/03/01 B3-15 15 5 8 N0<0 005 ND<O 005 ND<O 005 N0<0 005 ND<O 005 ND<O 005 ND<O 005 ND<O 005 ND<O 02 NA NA B3-20 20 11 0 019 ND<O 005 0 046 0 052 ND<O 005 ND<O 005 ND<0 005 ND<O 005 NpcO 05 NA NA MW-1 07113102 MW1-15 15 1,800 22 43 31 150 ND<2 5 ND<2 5 ND<2 5 N0<2 5 ND<2 5 NDc2 5 NA MW1-20 20 ND<1 ND<O 005 ND<0 005 0 026 0 012 ND<O 005 ND<O 005 ND<0 005 ND<0 005 ND<O 005 ND<0 005 NA MW1-25 25 ND<1 ND<O 005 ND<0 005 ND<O 005 ND<O 005 ND<O 005 ND<O 005 ND<0 005 ND<O 005 ND<O 005 NIJ<0 005 NA MW-2 1 07/13/02 MW2-15 15 ND<1 ND<O 005 ND<O 005 ND<O 005 ND<0 005 ND<O 005 ND<0 005 ND<D 005 ND<O 005 ND<O 005 ND<O 005 NA MW2-20 2D ND<1 ND<O 005 ND<O 005 ND<O 006 ND<0 005 ND<O 005 ND<O 005 ND<O 005 ND<O 005 ND<O 005 ND<O 005 NA MW2-25 25 ND<1 ND<O 005 ND<0 005 ND<O 005 ND<0 005 N0<0 005 ND<O 005 ND<O 005 ND<O 005 ND<0 005 ND<O 005 NA MW-3 07/13/02 1 MW3-25 25 ND<1 ND<0 005 ND<0 005 ND<0 005 ND<0 005 ND<O 005 ND<0 005 ND<O 005 ND<O 005 ND<O 005 ND<0 005 NA MW3-30 30 ND<1 ND<O 005 ND<O 005 ND<0 005 ND<O 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<O 005 ND<O 005 ND<O 005 ND<0 005 ND<O 005 ND<O 005 ND<O 005 ND<O 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(TPH-G),benzene toluene,ethylbenzene,xylenes(BTEX)analyzed by EPA Method 802018015M or 8260B Oxygenates methyl tertiary butyl ether(MTBE) di-isopropyl ether(DIPE) ethyl-t-butyl ether(ETBE),tert-amyl methyl ether(TAME)and tert-butanol(TBA)analyzed by EPA Method 82608 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