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Table 2 <br /> Fuel Oxygenates Analytical Data <br /> Former BP Service Station No 11194 <br /> 2375 Tracy Blvd, Tracy CA <br /> Well Date Ethanol TBA MtBE DIPE EtSE TAME 1,2-DCA EDB PCE Methanol <br /> Number Sampled (pg1L) (lrglL) (pglL) (pgll-) (trglL) (pg1L) Lug/L) (uglL) (pglL) (pglL) Comments <br /> MW-8 04/30/2003 — 58 — — — -- -- <br /> 07/30/2003 <100 <20 37 <1 0 <1 0 <1 0 -- — - -- <br /> 10/29/2003 <100 <20 17 <10 <10 <10 <br /> 01/2812004 <100 <20 18 <10 <10 <10 -- -- -- <br /> TBA=Tert-butyl alcohol <br /> MtBE=Methyl tert-butyl ether <br /> RIPE=Di-isopropyl ether <br /> EtBE=Ethyl tert-butyl ether <br /> TAME=Tert-amyi methyl ether <br /> 1 2-DCA=1,2-Dichloroethane <br /> EDB=Ethylene dibromide <br /> PCE=Tetrachloroethene <br /> ,ug/L=micrograms per liter <br /> <=below given laboratory detection limit <br /> --=not measured or analyzed <br /> Data Qualifier Definitions <br /> U=The analyte was analyzed for,but was not detected above the sample reporting limit <br /> J=The analyte was positively identified,the associated numerical value is the approximate concentration of the analyte in the sample <br /> N=The analysis indicates the presence of an analyte for which there is presumptive evidence to make a tentative identification <br /> NJ=The analysis indicates the presence of an analyte that has been tentatively identified and the associated numerical value represents its approximate concentration <br /> UJ=The analyte was not detected above the reported sample reporting limit However,the reported reporting limit is approximate and mayor may not represent the actual limit of quantitation <br /> necessary to accurately and precisely measure the analyte in the sample <br /> R=The sample results are refected due to identification or other analytical issues <br /> ND=Not detected above reported detection limit <br /> Report Date April 28,2004 Page 4 of 4 <br />