ARCHIVED REPORTS XR0009988 - Laserfiche WebLink

Home Browse Search

„ TABLE 2 Fuel Oxygenates Analytical Data ARCO Service Station No 2130 7906 North EI Dorado Street, Stockton, California Well Sample Sample TBA MtBE DIPE ETBE TAME Ethanol Number Date ug/L pg/L pg/L ugIL pg/L pg/L MS-1A 12/19/02 NA NA NA NA NA NA 316/03 <20 <0 5 <0 5 <05 <0 5 <100 6/11/2003 <20 055 <1 0 <1 0 <1 0 <100 9/23/2003 <20 051 <1 0 <1 0 <1 0 <100 MS-IB 12/19/02 <200 <0 50 <0 50 <0 50 <0 50 NA 316/03 <20 <05 <05 <0 5 <0 5 <100 6/11/2003 <20 <0 5 <1 0 <1 0 <1 0 <100 9/23/2003 <20 062 <1 0 <1 0 <1 0 <100 MS-2A 12/19/02 <200 079 <0 50 <0 50 <0 50 NA 3/6/03 <20 061 <0 5 <0 5 <0 5 <100 6/11/2003 <20 <0 5 UJ <1 0 <1 0 <1 0 <100 9/23/2003 <20 062 <1 0 <1 0 <1 0 <100 MS-2B 12/19/02 <200 <0 50 <0 50 <0 50 <0 50 NA 316/03 <20 <0 5 <0 5 <0 5 <0 5 <100 6/11/2003 <20 <05 UJ <1 0 <1 0 <1 0 <100 9/23/2003 <20 065 <1 0 <1 0 <1 0 <100 MS-3A 12/19/02 <200 <0 50 <0 50 <0 50 <0 50 NA 316/03 <20 09 <05 <0 5 <0 5 <100 6/11/2003 <20 11 J <1 0 <1 0 <1 0 <100 9/23/2003 <20 063 <1 0 <1 0 <1 0 <100 MS-3B 12/19/02 <200 71 <0 50 <0 50 <0 50 NA 316/03 <20 19 <05 <0 5 <0 5 <100 6/11/2003 <20 9 4 J <1 0 <1 0 <1 0 <100 9/23/2003 <20 065 <1 0 <1 0 <1 0 <100 TBA=Tertiary butyl alcohol MtBE=Methyl tert-butyl ether <=Below detection limit for analytical methods used DIPE=Di isopropyl ether NA=Not analyzed ETBE=Ethyl tert-butyl ether 'Reporting limits raised due to matrix effects and/or other factors TAME=Tert-amyl methyi ether 1,2-DCA=1,2-Dichloroethane pg/L=micrograms per liter Data Qualifier Definitions U The analyte was analyzed for,but was not detected above the sample reporting limit J The analyto was positively identified,the associated numerical value is the approximate concentration of the analyte in i N The analysis indicates the presence of an analyte for which there is presumptive evidence to make a"tentative identific, NJ The analysis indicates the presence of an analyte that has been"tentatively identified”and the associated approximate numerical value represents its concentration UJ The analyte was not detected above the reported sample reporting limit however,the reported reporting limit is approii and may or may not represent the actual limit of quantitation necessary to accurately and precisely measure the analyte: R The sample results are rejected due to serious deficiencies in the ability to analyze the sample (i e,the presence or ab analyte cannot be verified)or the analyte identification has been refected(i e,the presence of the analyte cannot be ve ND Not detected above reported detection limit K 1Wprocess\15 BP ARCONO2I301QuarterlyO QTR 0312130 GWMR 3Q03 6 of 6