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IM M = M M M Mir M 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 TANK 1 09/04/96 TK1-N 13 13 72 08 59 16 86 ND<0 025 NA NA NA NA NA NA TK1-N@15 15 850 ND<2 5 22 22 110 ND<0 1 NA NA NA NA NA NA TK1-S@15 15 1,200 ND<2 5 42 26 140 ND<D 25 NA NA NA NA NA NA PIPING RUN 09/04/96 P1@4 5 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<0 005 NA NA NA NA NA NA DISPENSER 09/04/96 DISPENSER 25 ND<1 ND<0 005 ND10 005 ND<0 005 ND<O 005 Np<0 005 NA NA NA NA NA NA B-1 02/03/01 61-5 5 ND<1 ND<0 005 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 B1-10 10 N041 ND<O 005 ND<O 005 ND<0 005 ND<O 005 ND<O 005 ND<O 005 ND<0 005 ND<O 005 ND<O 005 NA NA B1-15 15 ND<1 ND<O 005 ND<O 005 ND<O 005 ND<0 005 ND<0 005 ND<O 005 ND<0 005 ND<O 005 ND<O 005 NA NA 81-20 20 ND<1 ND<0 005 N0<0 005 ND<O 005 ND<0 005 ND<0 005 ND<O 005 ND<0 005 ND<O 005 ND<O 005 NA NA B-2 02/03/01 B2-15 15 400 03 69 11 43 0 065 ND<O 05 ND<0 05 ND<O 05 ND<D 5 NA 96 B2-20 20 2 0 0 021 0 082 0 038 0 22 ND<0 005 ND<0 005 ND<O 005 ND<0 005 ND<0 005 NA NA B-3 02/03/01 [: B3-115 15 68 ND<O 005 ND<O 005 ND<O 005 ND<0 005 ND<O 005 ND<O 005 ND<O 005 ND<O 005 ND40 02 NA NA B3-20 20 11 1 0 019 N010 005 0 046 0 052 ND<0 005 ND<O 005 ND10 005 ND<0 005 ND<D D5 NA NA MW-1 07/13/02 MW11-15 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<0 005 ND<O 005 ND<0 005 ND<O 005 ND<O 005 NA MW1 25 25 ND<1 ND<O 005 ND<O 005 ND<O 005 ND<0 005 ND<O 005 ND<0 005 ND<O 005 ND<O 005 ND<0 005 N0<0 005 NA MW-2 07/13/02 MW2-15 15 ND<1 ND<0 005 ND<0 005 ND<0 005 ND<0 005 ND<O 005 ND<O 005 ND<O 005 ND<O 005 ND<O 005 N0<0 005 NA MW2-20 20 ND<1 ND<O 005 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 NA MW2-25 25 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<0 005 ND<O 405 NA MW-3 07/13/02 MW3 25 25 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 045 ND<O 005 ND<0 005 NA MW3-30 30 ND<1 ND<0 005 ND<0 005 N0<0 005 NpcO 005 ND<O 005 ND<O 005 ND<O 005 ND<0 005 ND<0 005 ND<0 005 NA MW3-35 35 Np<1 ND<O 005 ND<0 045 ND<0 005 ND<0 005 ND<O 005 ND<O 005 ND<0 005 ND<0 005 ND<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(TPH-G) benzene toluene ethylbenzene xylenes(13TEX)analyzed by EPA Method 802018015M or 82608 Oxygenates methyl tertiary butyl ether(MTBE) di-isopropyl ether(DIPE) ethyl t-butyl ether(ETBE) tert amyl methyf ether(TAME)and tert-butanol(TBA)analyzed by EPA Method 6260B 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