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• Herman&Helen's Marinadl rth Quarter,2000, Groundwater Monitoring <br /> January 12,2001 <br /> Page-9- <br /> TABLE/2- <br /> Current <br /> Current and Historical Surface Water Monitoring Data <br /> B I T I E X TPH-G Gasoline Oxygenates/Additives <br /> Detection DATE 0.3 0.3 0.3 0.6 0.05 1.0-10 <br /> limits: µg/I IM µg/I µ.a.,/1 mg/I µg/1 <br /> Sample I.D. <br /> DDN 10/1/98N2 2.3 ND ND ND 16(MTBE) <br /> DDS 10/1/98 ND ND ND ND ND 4.7(MTBE) <br /> IDCE 10/1/98 ND ND ND ND ND 1.2(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 /> i DDS 17/30/98 ND ND ND ND ND L0(MTBE) <br /> IDCE 12/30/98 ND ND ND ND NO ND <br /> IDCW 12/30/98 ND ND ND ND ND ND <br /> DDN 326/99 ND ND ND ND ND 980(MTBE) 9.8(TAME) <br /> DDS 3/26/99 ND 8.3 NO ND ND' 3,500(MTBE) 28(TAME) <br /> IDCE 3/26/99 ND ND ND ND ND ND <br /> IDCW 3/26/99 ND ND ND ND ND 2.2(MTBE) <br /> DDN 6/30/99 ND ND ND ND ND -5.4(MTBE) <br /> DDS 6/30/99 ND NDND ND ND 1.8(MTBE) <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 9/23/99 0.6 ND ND 0.9 ND 1.7(MTBE) <br /> DDS 9/23/99 ND ND ND ND ND ND <br /> IDCE 923/99 ND ND ND ND ND ND <br /> IDCW 9/23/99 ND ND ND ND ND 1.6(MTBE) <br /> DDN 12/22/99 ND ND ND ND ND 2.7(MTBE) <br /> DDS 1222/99 ND ND ND ND ND 1.5(MTBE) <br /> IDCE 1222/99 ND ND ND ND ND ND <br /> IDCW 1222/99 ND ND ND ND ND ND <br /> DDN 3/17/00 ND ND ND ND ND 19(MTBE) <br /> SI DDS 3/17/OQ 1.4 ND ND ND ND 4,700(MTBE) <br /> IDCE 3/17/00 ND ND ND ND ND ND <br /> IDCW 3/17/00 ND 0.37 ND ND ND ND <br /> DDN 621/00 ND ND ND ND ND ND <br /> DDS 621/00 ND ND ND ND ND 5.0(MTBE) <br /> IDCE 6/21/00 ND ND ND ND ND ND <br /> IDCW 621/00 ND ND ND ND ND 3.2(MTBE) <br /> DDN <br /> --7/-7/-OG--F ND ND ND ND ND 1.7(MTBE) <br /> DDS 9/7/00 ND ND ND ND ND ND <br /> IDCE 9/7/00 ND ND ND ND ND ND <br /> IDCW 9/7/00 ND ND ND ND ND 10(MTBE) <br /> DDN12!13/00 ND ND ND ND ND ND <br /> DDS 12/13/00 ND ND ND ND ND ND <br /> IDCE 12/13/00 ND ND ND ND ND ND <br /> IDCW 12/l3/00 ND ND ND ND ND ND <br /> All concentrations are inµg/L except TPH-G,which is in mg/L. <br /> BTEX=benzene,toluene,ethyl benzene,and xylene. <br /> TPH-G=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 raised laboratory reported detection limit;see laboratory report for detection limit. <br /> Gasoline Oxygenates/Additives=methyl tertiary butyl ether(MTBE),ethanol,tertiary-butanol, <br /> di-isopropyl ether(DIPE),ethyl tertiary-butyl ether(ETRE),and tertiary amyl methyl ether(TAME). <br /> ;9 <br /> A• CONDOR <br />