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TABLE 2- GROUNDWATER CHENUCAL ANALYTICAL DATA - OXYGENATE COMPOUNDS <br /> Tosca (Former BP) Service Station No. 11195 <br /> 16500 South Interstate-5 <br /> Lathrop, California <br /> Sample Sample TBA MTBE DIPE ETBE TAME 1,2-DCA EDB Ethanol <br /> No. Date (ppb) (ppb) (ppb) (ppb) (ppb) (ppb) (ppb) (ppb) <br /> MW-1 6/18/02 --- --- --- --- ___ <br /> MW-2 6/18/02 --- --- --- --- --- --- -- --- <br /> MW-3 6118102 --- --- --- --- --- --- --- --- <br /> MW-4 6/18/02 --- --- --- --- --- --- --- --- <br /> MW-5 6/18/02 --- --- --- --- --- --- --- --- <br /> MW-6 6/18/02 --- --- --_ <br /> MW-8 6/18/02 --- --- --- --- --- --- --- <br /> MW-9 6118/02 --- --- --- --- --- --- --- _-- <br /> MW-10 6/18/02 --- - <br /> MW-11 6/18/02 --- --- --- --- --- --- <br /> MW-12 6/18/02 - --- --- <br /> --- --- --- --- <br /> MW-13 6/18/02 <5.0 74 <1.0 <0.50 <0.50 <030 <0.50 <25 <br /> MW-14 6/18/02 <250 3,900 <50 <25 <25 <25 <25 <1300 <br /> MW-15 6/18/02 <25 620 <5.0 <2.5 <2.5 <2.5 <2.5 <130 <br /> MW-16 6/18/02 <100 2,300 <20 <10 <10 <10 <10 <500 <br /> MW-17 6/18/02 <5.0 28 <1.0 <0.50 <0.50 <0.50 <0.50 <25 <br /> EXPLANATIONS: ANALYTICAL LABORATORY: <br /> TBA=tert-Butyl alcohol Severn Trent Laboratory CA DHS (FLAP#2496) <br /> MTBE =Methyl tert-butyl ether <br /> DIPE=Di-isopropyl ether <br /> ETBE=Ethyl tert-butyl ether <br /> TAME=tert-Amyl methyl ether ANALYTICAL METHOD: <br /> 1,2-DCA= 1,2-Dichloroethane Oxygenates by EPA Method 8260B <br /> EDB=Ethylene dibromide 1,2-DCA and EDB by EPA Method 8260B <br /> ppb=parts per billion <br /> ---=Not Analyzed <br /> 140193.12-2 <br />