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TABLE 7 CUMULATIVE ANALYTICALRESULTS-GROUNDWATER EXTRACTION San Joaquin Catholic Cemetery,Stockton OXYGENATES WELL SAMPLE GROUNDWATER ETHYL. EXTRACTED TPHG BENZENE TOLUENE XYLENES MTBE DIPE ETBE TAME TBA 1,2-QCA ID DATE BENZENE (Gallons)• QUARTERLY MW-5 12H8103 SAMPLING(4003) ND<50 ND<0.5 ND<0.5 ND<0.5 ND<0.5 92 _ ND<0.5 ND<0.5 ND<0.5 ND<5 26 01110/04 800 ND<50 ND<0.5 ND<0.5 ND<0.5 ND<0.5 110 ND<0.5 ND40.5 ND<0.5 ND<5 NA 02/07104 1365 56 ND<0.5 ND<0.5 ND<0.5 ND<0.5 110 ND<0.5 ND40,5 ND<0.5 ND<5 NA 03/20104 1260 54 ND<0.5 ND<0.5 ND<0.5 ND<0.5 100 ND<0.5 ND<0"5 ND<0.5 ND<5 NA QUARTERLY 03125M SAMPLING(1Q04) ND<50 ND<0.5 ND<0.5 N15<0.5 ND-45 110 ND<0.5 ND<0.5 ND<0,5 ND<5 . 24 04/.17/04 1175 ND<50 ND<0.5 ND<0.5 . ND<0.5 ND<0.5 98 ND<0.5 ND<0.5 ND<D.5 ND<5 NA 05122/04 .-- 1260 ' , ND<50 ND<0.5.:... ND<0.5• y ND<0:5 ", ND<0.5.- -,--110 ND<0.5 ND<0t5,- ro ND<0.5 ' ND<5' NA. .. - -- - - 06102l04 =SAMPLING(2004)" NDc50 ="-ND<D.5.": =..ND<0.5. ND<0.5..",. " ND<0.5'; .w:110" =ND<0:5._.1 ND<0:5_ ND<0.5 : :'... ND<5:. 06/12/04 1220 ND<50 . ND<0-5 ND<0.5 ND<0.5 ND<0.5 100 ND<0.5 ND<0.5 ND<0.5 ND<5 NA 07/10104 1275 ND<50 ND<0.5 ND<0.5 ND<0.5 ND<0.5 100 ND<0.5 ND<05 ND<0.5 ND<5 NA QUARTERLY I 08/25/04 SAMPLING(3004) 68 ND<0.5 ND<0.5 ND<0.5 ND<0.5 100 ND<0.5 ND<0.5 ND<0.5 ND<5 13 QUARTERLY MW-7 12!18103 SAMPLING(4003) ND<50 ND<0.5 ND<0.5 ND<0.5 ND<0.5 390 ND<0.5 ND<0.5 ND<0.5 ND<5 25 01/10/04 800 N13<50• ND<0.5 ND<0.5 ND<0,5 ND<0.5 280 ND<0,5 ND<0.5 N0<0.5 ND<5 NA 02/07/04 1365 ND<50 ND<0.5 ND<0.5 ND<0.5 N0<0.5 160 ND<0.5 140<0.5 ND<0.5 ND<5 NA 03!20104 1260 ND<50 ND<0.5 ND<0.5 ND<0.5 ND<D.5 180 ND<0.5 ND<D.5 N0<0.5 ND<5 NA QUARTERLY 03/25/04 SAMPLING(1004) ND<50 ND<0.5 ND<0.5 ND<0.5 ND<0.5 190 N0<0.5 ND<0.5 ND<0.5 ND<5 16 04/17/04 1175 ND<50 ND<0.5 ND<0.5 ND<0.5 ND<0.5 130 ND<0.5 ND<0.5 ND<0.5 ND<5 NA 05/22/04 1260 ND<50 ND<0.5 ND<0.5 ND<0.5 ND<0.5 150 ND<0.5 ND<0.5 ND<0.5 ND<5 NA QUARTERLY 06/02/04 SAMPLING(2Q04) ND<50 ND<0.5 ND<0.5 ND<0.5 ND<0.5 110 N0<0.5 ND<0.5 ND<0.5 ND45 8.0 06/12/04 1220 ND<50 ND<0.5 ND<0,5 ND<0.5 N0<0.5 160 ND<0.5 ND<0.5 ND<0.5 ND<5 NA 07/10/04 1275 ND<50 ND<0.5 N0<0.5 ND<0.5 fNDn<O5 140 ND<0.5 ND<0.5 ND<0.5 ND<5 NA QUARTERLY 08/25104 SAMPLING(3004) 66 ND<0.5 ND<0.5 ND<0.5 100 ND<0.5 ND<0.5 ND<0.5 ND<5 8.2 Notes:' All data are presented in parts per billion(ppb) Total Petroleum Hydrocarbons as Gasoline(TPHG),benzene,toluene,ethylbenzene,xylenes(BTEX)analyzed by EPA Methods 8260B Oxygenates: Methyl-t-butyl ether(MTBE),Diisopropyl ether(DIPE),Ethyl-t-butyl ether(ETBE),Tert•amyl methyl ether(TAME)and Tert-Butanal(TBA)analyzed by EPA Method 82608 1,2-Dichloroethane(1,2-DCA)analyzed by EPA Method 82608 ND<50=Not detected at laboratory reporting limit of 50 ppb NA-Not analyzed for indicated parameter