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TABLE 2
<br /> CUMULATIVE ANALYTICAL RESULTS -GROUNDWATER
<br /> Former Stefano's Gas Station Site, 1419 East Charter Way, Stockton, California
<br /> OXYGENATES
<br /> DATE ETHYL-
<br /> WELL ID SAMPLED TPH-G BENZENE TOLUENE BENZENE XYLENES MTBE DIPE ETBE TAME TBA 1,2-DCA
<br /> MIN-1 01/11/99 ND<50 ND<0 5 ND<O 5 ND<O 5 ND<O 5 ND<O 5 ND<O 5 ND<O 5 ND<0 5 ND<5 NA
<br /> 04122199 ND<50 ND<O 5 ND<0 5 ND<0 5 ND<O 5 ND<O 5 ND<0 5 ND<0 5 ND<O 5 N0<5 NA
<br /> 07!23199 ND<50 ND<0 5 NQ<0 5 Nd<0 5 ND<O 5 ND<O 5 ND<0 5 N0<0 5 Nd<0 5 ND<5 NA
<br /> i0l14199 ND<50 ND<0 5 ND<0 5 ND<0 5 ND<0 5 ND<0 5 ND<0 5 ND<0 5 ND<0 5 ND<5
<br /> NA
<br /> 01!27100 ND<50 ND<O 5 ND<0 5 ND<0 5 ND<0 5 ND<O 5 ND<0 5 ND<O 5 ND<0 5 ND<5 NA
<br /> 04130!01 ND<50 ND<O 5 ND<0 5 ND<O 5 ND<0 5 ND<D 5 NNO 5 ND<0 5 ND<0 5 ND<5 ND<0 5
<br /> 07!30!01 ND<50 ND<0 5 NQ<0 5 ND<0 5 ND<0 5 ND<0 5 ND<D 5 ND<0 5 ND<O 5 ND<5 ND<0
<br /> MW-2 01/11/99 120,000 7,800 64,000 4,300 28,000 ND<100 ND<100 ND<100 N0<100 ND<1000 NA
<br /> 04122199 110,000 5,400 63,000 5,200 32,000 ND<10 ND<10 ND<10 ND<10 ND<100 NA
<br /> 07/23/99 130,000 4,700 56,000 6,100 35,000 ND<5 ND<5 ND<5 ND<5 ND<50 NA
<br /> 10/14199 91,000 3,500 44,000 5,300 24,000 ND<20 ND<20 ND<20 Nd<20 ND<200 NA
<br /> 01127!00 160,000 3,600 22,000 5,300 32,000 ND<50 ND<50 ND<50 ND<50 ND<500 NA
<br /> 04!30101 210,000 4,800 48,Oflfl 4,500 30,00fl ND<20D ND<200 ND<2D0 Nd<200 ND<2000 420
<br /> 07!30/01 190,000 4,700 40,000 4,400 2$,000 ND<20 ND<20 ND<20 ND<20 ND<200 410
<br /> MW-3 01111!99 16,000 1,300 1,500 1,800 6,900 ND<20 ND<20 ND<20 ND<20 N1312070 NA
<br /> 04/22/99 11,000 790 760 1,500 4,000 ND<5 ND<5 ND<5 ND<5 NA
<br /> 100
<br /> 07!23199 14,000 570 340 1,600 3,100 ND<20 ND<20 NQ<20 ND<20 ND<200 NA
<br /> 10114199 5,900 250 53 730 860 26 ND<2 0 ND<2 0 ND<2 0 96 NA
<br /> 01/27100 7,000 130 11 460 510 ND<2 0 ND<2 0 ND<2 0 N0<2 0 74 NA
<br /> 04/30/01 940 Nd<1 ND<1 ND<1 ND<1 ND<1 N0<1 ND<1 ND<1 60 230
<br /> 07130101 1,100 061 ND<O 5 ND<O 5 056 ND<O 5 ND<0 5 ND<O 5 ND<O 5 63 240
<br /> I
<br /> Notes All results except are reported in micrograms/liter which translates to parts per billion(ppb)
<br /> Total Petroleum Hydrocarbons as Gasoline(TPH-G)analysis by EPA Method 82608
<br /> Benzene,toluene,ethylbenzene and xylenes analysis by EPA Method 8260E
<br /> Oxygenates Methyl-t-butyl ether(MTBE),Dnsopropyl ether(DIPE),Ethyl-t-butyl ether(ETBE),Tera amyl methyl ether(TAME)and Tera Butanol(TBA)by EPA 82608
<br /> 1,2-Dichloroethane(1,2-DCA)analyzed by EPA Method 8260E
<br /> ND<50=Not Detected at reporting limit of 50 ppb
<br /> NA =Not analyzed for specified compound
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