ARCHIVED REPORTS_XR0006740 CASE 1

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TABLE 2 ANALYTICAL RESULTS -GROUNDWATER WELLS Former RINO Service Station, 1001 East Yosemite Avenue, Manteca, California I OXYGENATES SAMPLEDATE ETHYL- LOCATION SAMPLED TPH-CC BENZENE TOLUENE BENZENE XYLENES MTBE DIPE ETRE TAME TBA 1,2-DCA MW-i 09125100 ND<50 09 ND<0 5 ND<0 5 ND<0 5 ND<0 5 ND<0 5 ND<0 5 ND<0 5 ND<5 ND<0 5 12120100 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 S ND<5 ND<0 5 03!20101 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 ND<0 5 MW-2 09/25/00 330 084 066 13 28 160 ND<0 5 ND<0 5 ND<0 5 19 ND<0 5 12/20/00 1,200 26 15 49 27 160 ND<0 5 ND<0 5 ND<0 5 21 ND<0 5 03!20101 930 49 33 18 89 120 ND<0 5 ND<0 5 ND<0 5 17 ND<0 5 MW-3 09/25/00 ND<50 ND<0 5 ND<0 5 ND<0 5 ND<0 5 38 ND<0 5 ND<0 5 ND<0 5 ND<5 ND<0 5 12/20/00 ND<50 ND<0 5 ND<0 5 ND<0 5 ND<0 5 09 ND<0 5 ND<0 5 ND<0 5 ND<5 ND<0 5 03/20/01 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 ND<4 5 MW-4 09125100 ND<200 ND<2 ND<2 ND<2 ND<2 2,800 ND<2 ND<2 32 ND<20 ND<2 12/20/00 ND<50 ND<0 5 ND<0 5 ND<0 5 ND<0 5 300 ND<0 5 ND<0 5 ND<0 5 56 ND<0 5 D3120101 ND<50 ND<0 5 ND<D 5 ND<0 5 ND<0 5 300 ND<0 5 ND<0 5 0 58 ND<5 ND<0 5 ONSITE DW 09/02199 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 NA 09112!00 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 ND<0 5 12/20/00 ND<50 ND<0 5 NQ<0 5 ND<0 5 ND<0 5 ND<0 5 ND<0 5 ND<0 5 ND<0 5 ND<5 ND<0 5 03/20/01 ND<50 ND<0 5 ND<0 5 ND<0 5 ND<0 5ND<0 5 ND<0 5 ND<0 5 ND<0 5 ND<5 ND<0 5 NOTES All results are reported 3n micrograms per liter(ugn)which translates to parts per billion(ppb) Total Petroleum Hydrocarbons as Gasoline(TPH-G) benzene toluene ethylbenzene xylenes by EPA 8260E Oxygenates Methyl-t-butyl ether(MTBE) Dr-isopropyl ether(DIPE) Ethyl-t-butyl ether(ETBE) Tert-amyl methyl ether(TAME) and Tert-Butanol(TBA)by EPA 82608 1 2-dichloroethane(1 2-DCA)by EPA Method 82608 ND<50=Not Detected at reporting lima of 50 ppb NA =Not Analyzed for specified compound