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r <br /> kIrtu}an 8c iielcn ti M isini First Quarter 2000 Groundwater Monitoring <br /> April 20 2000 <br /> Page 8- <br /> TABLL 5 <br /> Current and Historical Surface Water Monitoring Data <br /> B T E X TPH-G Gasoline Oxygenates/Additives <br /> Detection DA I F 03 03 0 3 0 6 005 1 0 — 10 <br /> limits dig/I ug/1 ug/l �Ig/l mg/I µg/1 <br /> Sample 1 13 <br /> DDN 10/l/98 ND 23 ND ND ND 16 (MTBE) <br /> DDS 10/1/98 ND ND ND ND ND 4 7 (MTBE) <br /> IDCE 10/119$ ND ND ND ND ND 12 (MTBE) <br /> IDCW 10/1/98 ND ND ND ND ND ND <br /> DDN 12/30/98 ND ND ND ND ND 1 4 {MTBE) <br /> DDS 12/30/98 ND ND ND ND ND 1 0 (MTBE) <br /> IDCE 12/30/98 ND ND ND ND ND ND <br /> IDCW 12/30/98 ND ND ND ND ND ND <br /> DDN 3/26/99 ND ND ND ND ND 980 (MTBE) 9 8 (TAME) <br /> DDS 3/26/99 ND 83 ND ND ND* 3 500 (MTBE) 28 (TAME) <br />' IDCF: 3/26/99 ND ND ND ND ND ND <br /> IDCW 3/26199 ND ND ND ND ND 2 2 (MI BE) � <br /> . DDN 6/30199 ND ND ND ND ND 5 4 (MTBF) <br /> DDS 6/30/99 ND ND ND ND ND 1 8 (M 1 BE) <br /> IDCE 6/30/99 ND ND ND ND ND ND <br /> IDCW 6/30/99 ND ND ND ND ND 1 4 (MTBE) <br /> DDN 9/23199 06 ND ND 09 ND 1 7 (MTBE) <br /> DDS 9/23/99 ND ND ND ND ND ND <br /> IDCP 9/23/99 ND ND ND ND ND ND <br /> IDCW 9/23/99 ND ND ND ND ND l 6 (MTBE) <br /> DDN 12/22/99 ND ND ND ND ND 2 7 (MTBE) <br /> DDS 12/22/99 ND ND ND ND ND 1 5 (MTBE) <br /> IDC/; 12/22/99 ND ND ND ND ND ND <br /> IDCW 12/22/99 ND ND ND ND ND ND <br /> DDN 3/17/00 ND ND ND ND ND 19 (MTBE,) <br /> DDS 3/17/00 14 ND ND ND ND 4,700(MTBE) <br /> IDCE 3/17/00 ND ND ND ND ND ND <br /> IDCW 3/17/00 ND 037 ND ND ND ND <br /> All a oncentrations are in gg/l except TPH-G which is in mg/l <br /> BTEX - benzene toluene ethyl benzene and xylene <br /> TPH-(j - total petroleum hydrocarbons quantified as gasoline <br /> ND not detected at or above laboratory reported detection limit <br /> ND* - not detected at or above a raisi.d laboratory reported detection limit see laboratory report for detLCtion limit <br /> Gasoline Oxygenates/Additives=methyl tertiary butyl ether(MTBE) ethanol tertiary-butanol <br /> dt-isopropyl tther(DIPS) -thyl tertiary-butyl ether(ETBF) and tertiary amyl methyl ether(TAMF) <br /> I • <br /> �� <br /> CONDOR <br />