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Page 6 of 6 <br /> Table 2 <br /> Fuel Oxygenates Analytical Data <br /> ARCO Service Station$4932 <br /> 16 E Harding Way <br /> Stockton Cafdomia <br /> 'x Well-wr', { Date'�5 3 TBA�`�' �1' �M03E-,^ <.� DIPE_ EteE TAME - 12-DCA EDS Ethanol <br /> Number ,, Umpled,.�w ` :{ppb) {ppb} „ ( b} _(pPb) - (ppb) IPPB) 1pPb) (ppb) f <br /> EW-6 1120102 <200 260 <5 0 <5 0 <5 0 13 <5 0 — <br /> 01130103 <4000 600 <100 <100 <100 <100 <100 <8000 <br /> 04/28/03 Well unable to be sampled connected to remedial system <br /> 0729103 <400 1 000 <10 <10 <10 <10 <10 <2 000 <br /> 10!09103 Insufficient amount of water in well for sample collection <br /> 01/13104 Insufficient amount of water in well for sample collection <br /> 042&04 <1 000 250 <25 <25 <25 <25 <25 <5 000 <br /> 07113104 <2,000 4 700 <50 <60 <50 <50 <50 <10 000 <br /> EW 7 01!13104 <20 110 000 42 <1 0 <1 0 76 <0 50 <100 <br /> 042MA <100 000 150 000 <2 500 <2 500 <2 500 <2 500 <2 500 <500 000 <br /> 07113/04 4,000 5,200 <100 <100 <100 <100 <100 <20 000 <br /> QCTB 01/28103 <20 <0 50 <0 50 <0 50 <0 50 <0 50 <0 50 <100 <br /> 10/09103 — — — — — — — — <br /> 07113/04 — <0 50 <br /> Notes, <br /> TBA=Terbary butyl alcohol TAME=Tertiary amyl methyl ether ppb=parts per billion <br /> MtBE=Mettpl tertiary butyl ether 12 OCA-1 2 Dhchloroethane LPH=liquid phase hydrocarbons <br /> DIPE-Dksopropyl ether EDB=Ethylene dibromide —=not analyzed <br /> EtBE=Ethyl tartary butyl ether <=less than given laboratory detection limit <br /> =The concentration indicated for this analyte is an estimated value above the calibration range of the instrument <br /> `=Results were reported with a possible high bias due to the contmurng calibration venlicabon fallmg outside acceptance cntena <br /> '=Laboratory reports that calibration verification for ethanol results is within method limits but outside cenlract limits <br /> `=Sampled after groundwater batch extraction activities <br /> ProleWARCOl4932Meport&Tables/3004 gwtables4932.hds <br />