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TABLE 2 (Continued) CUMULATIVE ANALYTICAL RESULTS -GROUNDWATER Former Stefano's Gas Station Site, 1419 East Charter Way, Stockton, California OXYGENATES DATE ETHYL- WELL ID SAMPLED TPH-G BENZENE TOLUENE BENZENE XYLENES MTBE DIPE ETBE TAME TBA 1,2-DCA MW-4 11/01/01 ND<50 ND<0 5 ND<0 5 ND<O 5 ND<0 5 ND<O 5 ND<0 5 ND<O 5 ND<O 5 ND<5 ND<0 5 01/31/02 ND<50 ND<0 5 ND<0 5 ND<0 5 ND<O 5 ND<0 5 ND<O 5 ND<O 5 ND<0 5 ND<5 ND<0 5 05106/02 ND<50 ND<O 5 ND<0 5 ND<O 5 ND<0 5 ND<O 5 ND<O 5 ND<O 5 ND<O 5 ND<5 ND<O 5 07129/02 ND<50 ND<O 5 ND<0 5 ND<0 5 ND<0 5 ND<0 5 ND<0 5 ND<O 5 ND<O 5 ND<5 ND<0 5 11/25/02 ND<50 ND<0 5 ND<O 5 ND<O 5 ND<O 5 ND<0 5 ND<O 5 ND<O 5 ND<0 5 ND<5 ND<O 5 MW-5 11/01101 ND<50 ND<0 5 N0<0 5 ND<0 5 ND<O 5 ND<0 5 ND<O 5 ND<0 5 ND<0 5 ND<5 ND<0 5 01/31/02 ND<50 ND<O 5 ND<0 5 ND<O 5 ND<0 5 ND<0 5 ND<O 5 ND<0 5 ND<0 5 ND<5 ND<O 5 05/06/02 ND<50 ND-e0 5 ND<0 5 N0<0 5 ND<0 5 ND<0 5 ND<0 5 ND<0 5 ND<0 5 ND<5 ND<O 5 07/29/02 ND<50 ND<0 5 ND<0 5 ND<O 5 ND<0 5 ND<0 5 ND<O 5 ND<0 5 ND<o 5 ND<5 ND<O 5 11125102 ND<50 ND<0 5 ND<O 5 ND<O 5 ND<0 5 ND<O 5 ND<O 5 ND<O 5 ND<0 5 ND<5 ND<O 5 MW-6 11/01/01 ND<50 ND<O 5 ND<0 5 ND<0 5 ND<O 5 ND<O 5 ND<0 5 ND<o 5 ND<0 5 ND<5 ND<O 5 01/31/02 ND<50 ND<0 5 ND<O 5 ND<0 5 N0<0 5 ND<0 5 ND<0 5 ND<O 5 ND<O 5 ND<5 ND<0 5 05/06/02 ND<50 ND<O 5 N0<0 5 ND<0 5 ND<O 5 ND<O 5 ND<0 5 ND<0 5 ND<0 5 ND<5 ND<O 5 07/29/02 ND<50 ND<O 5 ND<O 5 ND<O 5 ND<O 5 ND<0 5 ND<O 5 ND<O 5 ND<0 5 ND<5 ND<O 5 11125/02 ND<50 ND<0 5 ND<O 5 ND<O 5 ND<0 5 ND<0 5 ND<O 5 ND<O 5 ND<0 5 ND<5 ND<0 5 MW-7 11101/01 ND<50 ND<o 5 ND<0 5 ND<O 5 ND<0 5 ND<0 5 ND<O 5 ND<O 5 ND<O 5 ND<5 ND<0 5 01/31102 ND<50 ND<0 5 ND<o 5 ND<0 5 ND<O 5 ND<0 5 ND<O 5 ND<O 5 ND<0 5 ND<5 ND<O 5 05/06102 ND<50 ND<0 5 ND<0 5 ND<0 5 ND<0 5 ND<0 5 ND<O 5 ND<O 5 ND<O 5 ND<5 ND<O 5 07/29/02 ND<50 ND<0 5 ND<O 5 ND<0 5 ND<0 5 ND<0 5 ND<O 5 ND<O 5 ND<O 5 ND<5 ND<O 5 11/25/02 ND<50 ND<0 5 ND<0 5 ND<0 5 ND<O 5 ND<O 5 ND<O 5 ND<O 5 ND<O 5 ND<5 ND<0 5 Notes All results except are reported in micrograms/liter which translates to parts per billion(ppb) Total Petroleum Hydrocarbons as Gasoline(TPH-G)analysis by EPA Method 8260B Benzene,toluene,ethylbenzene and xylenes analysis by EPA Method 82606 Oxygenates Methyl-t-butyl ether(MTBE), Dusopropyl ether(DIPE), Ethyl-t-butyl ether(MTBE),Tert-amyl methyl ether(TAME)and Tert-Butanol(TBA)by EPA 82606 1,2-Dichloroethane(1,2-DCA)analyzed by EPA Method 8260E ND<50=Not Detected at reporting limit of 50 ppb NA =Not analyzed for specified compound