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• • <br /> Table 3 <br /> Groundwater Analytical Data-Oxygenate Compounds(CHEVRON) <br /> Chevron Seance Station 49 4275 <br /> 2905 Benjamin Holt❑nve <br /> Stockton CaMomia <br /> WELL SAMPLE METHANOL ETHANOL TBA MTBE DIPE TAME ETBE 1,2-DCA EDB <br /> ID DATE NO) (ug4) (ug4) (ug4) NO) (ug4) NO) NO) (u94) <br /> MW-9 11/25/97 ND ND ND 2100 NO NO NO - <br /> 03/26/98 <1 000 <2 000 <400 540 <80 22 <80 - <br /> 06/24/98 <2 780 <556 480 <11 <11 20 - <br /> 03l02101 (S) - <500 <50 62 <20 <2 0 <2 0 <2 0 <2 0 <br /> 03/02/01 (K) 19 <5 0 45 <050 098 <0 50 <0 50 <050 <br /> 05/10/01 <5 0 36 <0 50 <0 50 <050 <050 - <br /> 08/21/01 - <50 50 <0 50 22 <050 072 <050 <br /> 12/05/01 - <50 71 <05 30 <05 20 <05 <br /> 03/11/02 <5 46 <0 5 06 <0 5 2 <0 5 <br /> 06/07/02 <5 75 <05 05 <0 5 08 <0 5 <br /> 09/24/02 <100 280 <2 4 <2 <2 <2 <br /> 12/17/02 <100 200 <2 <2 <2 <2 <2 <br /> 03/18103 <100 320 <2 <2 <2 <2 <2 <br /> 06/17/03 <100 350 <2 2 <2 <2 <2 <br /> 09/24/03 — — <100 220 <2 4 <2 <2 <2 <br /> Muni 10 11/25/97 NO NO NO NO ND NO ND <br /> 03/26/98 <1 000 <500 <100 <2 0 <2 0 <2 0 <20 - <br /> 06/24/98 <500 <100 <2 0 <2 0 <2 0 <2 0 - <br /> 03/02/01 (S) <500 <50 <2 0 <2 0 <2 0 <2 0 <2 0 <2 0 <br /> 03102/01 (K) <50 <50 057 <050 <0 50 <0 50 <0 50 <0 50 <br /> 05/10/01 <5 0 <0 50 <0 50 <0 50 <050 <0 50 - <br /> 08/21/01 <5 0 <0 50 <050 <0 50 <050 <0 50 <0 50 <br /> 6117103 Unable to Access Well <br /> 09/24/03 — — <100 5 <2 <2 <2 <2 <2 <br /> EXPLANATIONS <br /> TBA=Tertiary butyl alcohol (ugA) =Micrograms per liter <br /> MtBE=Methyl tertiary butyl ether ND =Not Detected <br /> DIPS=Di isopropyl ether =Not Analyzed <br /> TAME=Tertiary amyl methyl ether (S) =Sequoia Analytical <br /> ECHE=Ethyl tertiary butyl ether (K) =Kit Analytical <br /> 1 2 DCA=1 2 Dichloroethans <br /> EDB=Ethylene dibromidell 2 Dibromoethans <br /> ANALYTICAL METHODS <br /> EPA Method 8015 for Methanol <br /> EPA Method 8260 for Oxygenate Compounds <br /> I Chevmn'94275Tenodw MomtonnglQNRW4275 NF xts 5 of 5 <br />