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Table 3 <br /> Groundwater Analytical Data-Oxygenate Compounds <br /> Chevron Service Station#9-4275 <br /> 2905 Benjamin Holt Drive <br /> Stockton,California <br /> WELL SAMPLE METHANOL ETHANOL TBA MTBE DIPE TAME ETRE 1,2-DCA EDB <br /> ID DATE (ppb) (ppb) (ppb) (ppb) (Ppb) (ppb) (ppb) (ppb) (ppb) <br /> Muni-10 11/25/97 ND ND ND ND ND ND ND <br /> 03/26/98 <1,000 <500 <100 <20 <20 <20 <20 <br /> 06/24/98 -- <500 <100 <20 <20 <2 0 <20 -- -- <br /> 03/02/01 (S) <500 <50 <20 <20 <2 0 <20 <20 <20 <br /> 03/02/01 (K) <50 <50 057 <0 50 <0 50 <0 50 <0 50 <0 50 <br /> 05/10/01 -- <50 <0 50 <050 <0 50 <0 50 <0 50 -- <br /> 06/21/01 -- <50 <050 <0 50 <0 50 <0 50 <0 50 <0 50 <br /> FIELD 03/02/01 (K) <50 <50 <0 50 <0 50 <0 50 <0 50 <0 50 <0 50 <br /> BLANK <br /> TRIP 03/02/01 (K) <50 <5 0 <0 50 <0 50 <0 50 <0 50 <0 50 <0 50 <br /> BLANK 05/10/01 -- <50 <0 50 <0 50 <050 <0 50 <0 50 - <br /> 8/21/01 <50 <0 50 <0 50 <0 50 <0 50 <0 50 <0 50 <br /> 12/05/01 <50 <0 50 <0 50 <0 50 <0 50 <0 50 <0 50 <br /> 06/07/02 <5 <0 5 <05 <05 <05 <0 5 <0 5 <br /> EXPLANATIONS <br /> TBA=Tertiary butyl alcohol (ppb) =Parts per bdBon <br /> MtBE�Methyl tertiary butyl ether ND =Not Detected <br /> DIPE=Di isopropyl ether =Not Analyzed <br /> TAME=Tertiary amyl methyl ether (S) =Sequoia Analytical <br /> EtBE=Ethyl tertiary butyl ether (K) =Kiff Analytical <br /> 1 2 DCA=1,2 Dtchioroethane <br /> EDB=Ethylene dibromidell 2 Dibromoethane <br /> ANALYTICAL METHODS <br /> EPA Method BUt5 for Methanol <br /> EPA Method 8260 tar Oxygenate Compounds <br /> I <br /> I <br /> CheyroM942751QMRD-4275 NF 4 <br />